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<title>CÔNG TY CỔ PHẦN LỆ NINH - Chuẩn đoán dịch bệnh trên cây cao su</title>
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<td><b><font size="4">CÔNG TY CỔ PHẦN LỆ NINH</font></b></td>
<td align="right"><font size="4"><a href="http://www.leninh.vn">http://www.leninh.vn</a></font></td>
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<td><b><font size="5">Chuẩn đoán dịch bệnh trên cây cao su</font></b><br>
<font size="2">19.06.2018</font><br><br>
<p align="justify"><b>Chuẩn đoán dịch bệnh trên cây cao su</b><br>

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  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: center;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 18px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">DANH MỤC TRIỆU CHỨNG BỆNH DÙNG ĐỂ CHẨN ĐOÁN BỆNH</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">BỘ PHẬN BIỂU HIỆN BỆNH: LÁ</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">1. Lá có lớp phấn màu trắng, lá non rụng →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-phan-trang"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh phấn trắng</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">2. Lá rụng cả cuống vào mùa mưa, trên cuống lá có mủ →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-rung-la-mua-mua"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh rụng lá mùa mưa</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">3. Lá có nhiều đốm nhỏ có vòng màu nâu bao xung quanh, trung tâm có màu trằng →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-dom-mat-chim"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh đốm mắt chim</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">4. Đầu lá thâm đen, phiến lá có đốm u lồi →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-heo-den-dau-la"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh héo đen đầu lá</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">5. Đốm màu nâu, hoặc vết bệnh có màu nâu nhạt ở trung tâm với vòng màu nâu đạm bao bên ngoài, xung quanh vết bệnh có màu vàng →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-rung-la-Corynespora"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh Corynespora</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">6. Đầu cành, ngọn cây bị chết khô, lá bị chết khô còn nguyên trên cành đã chết →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-nam-hong"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh nấm hồng</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">7. Lá trên ngọn có màu xanh hơi vàng, phiến lá uốn cong từ trong ra ngoài →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-re-nau"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh rễ nâu</span></a>/rễ trắng/rễ đỏ</span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">BỘ PHẬN BIỂU HIỆN BỆNH: THÂN CÂY</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">1.&nbsp;Sọc nhỏ màu nâu/đen hơi lõm trên mặt cạo, song song với thân cây, vết bệnh thối nhũn →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-loet-soc-mat-cao"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh loét sọc mặt cạo</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">2. Có mủ chảy ra từ vết bệnh trên cổ rễ, thân cây hoặc cành →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-nam-hong"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh nấm hồng</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">3.&nbsp;Trên thân cành xuất hiện khuẩn ty nấm phát triển thành dạng mạng nhện có màu trắng hoặc hồng nhạt, vết bệnh có mủ chảy ra. Cành bị chết, lá chết khô còn nguyên trên cành đã chết →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-nam-hong"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh nấm hồng</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">4.&nbsp;Vỏ bị nứt, bên trong có màng mỏng màu đỏ, có dịch màu tím nhạt rỉ ra từ vết nứt, có mùi hôi thối →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-thoi-vo"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh thối vỏ</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">5.&nbsp;Trên vườn ương: Mụn nhỏ xuất hiện trên gốc ghép liên kết lại với nhau làm vỏ sần sùi, mắt ghép bị chết ngược&nbsp;→&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-Botryodiplodia"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh Botryodiplodia</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">6.&nbsp;Trên vườn stump, vườn tái canh: Trên chồi có vết lõm màu đậm hơn, vết bệnh lan rộng, vỏ bị chết&nbsp; có nhiều đốm nhỏ màu đen. Phần gỗ bị chết có màu trắng có vân nhỏ màu nâu đen, khó tách vỏ →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-Botryodiplodia"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh Botryodiplodia</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">7.&nbsp;Chồi xuất hiện vết nứt hình thoi, sau phát triển theo chiều dọc. Vết bệnh có mủ rỉ ra, vỏ và gỗ bị khô và xốp, trên vỏ có nhiều đốm màu nâu đen →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-Botryodiplodia"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh Botryodiplodia</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">8.Trên vườn cây từ 3 năm tuổi trờ lên: Trên thân có nốt mụn nhỏ 1-2 mm, sau đó mụn liên kết thành cụm hoặc lan ra toàn bộ thân cành. Biểu bì dày lên, bong tróc khỏi vỏ. Vỏ trở nên cứng và dày hơn, xuất hiện vết nứt, bề mặt vỏ gồ ghề →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-Botryodiplodia"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh Botryodiplodia</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">BỘ PHẬN BỊ BỆNH: MẶT CẠO</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">1. Sọc nhỏ màu nâu/đen hơi lõm trên mặt cạo, song song với thân cây, vết bệnh thối nhũn →&nbsp;&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-loet-soc-mat-cao"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh loét sọc mặt cạo</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">2. Mặt cạo bị khô một phần hoặc hoàn toàn, miệng cạo không có mủ, mủ đông sớm trên miệng cạo →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-kho-mu"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh khô mủ</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">BỘ PHẬN BỊ BỆNH: RỄ</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">1. Rễ con chằng chịt bám nhiều đất đá dày 3-4 mm, rễ có màu vàng nâu, phần gỗ chết có màu nâu đen, dễ bóp vụn →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Benh-re-nau"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Bệnh rễ nâu</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">2. Khuẩn ty nấm màu đỏ, và đất dính chặt vào rễ khó tách rời. Rễ chết có màu tím đen, mềm xốp → Bệnh rễ đỏ</span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">3. Khuẩn ty màu trắng trên bề mặt rễ và cổ rễ. Vỏ rễ thối nhũn, có màu nâu, gỗ bên trong chết khô; cổ rễ có tai nấm màu trắng, sau đó chuyển sang vàng, có vòng đồng tâm → Bệnh rễ trắng</span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><strong style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent;">BỆNH DO YẾU TỐ&nbsp;PHI SINH VẬT</strong></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">1. Lá cháy loang lổ hoặc từng phần có màu trắng bạc; phần thân hóa nâu gần mặt đất bị nứt, có vết lõm màu đậm và chảy mủ →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Chay-nang"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Cháy nắng</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">2. Lá chuyển màu như bị nhúng nước sôi; vỏ bị khô, có màu nâu đậm, bẻ ra có sợi tơ trắng, phần gỗ sát tượng tầng bị khô có sọc đen →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Set-danh"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Sét đánh</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">3. Phiến lá gợn sóng, biến dạng, bề mặt gồ ghề; lá bị cháy, mép lá quăn hướng lên trên, lá rụng; cây bị chùn đọt, chết chồi, phát sinh nhiều chồi dại →&nbsp;<a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Ngo-doc-nong-duoc"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; background: transparent; color: rgb(0, 0, 255);">Ngộ độc hóa chất</span></a></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;">&nbsp;</p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">4. Lá non bị biến dạng, lá già bị héo khô, đỉnh sinh trưởng bị chết, thân có màu đen, trên thân có vết nứt với mủ chảy thành vệt →&nbsp;<span style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(0, 0, 255); text-decoration-line: none; border: 0px; outline: 0px;"><a style="margin: 0px; padding: 0px; vertical-align: baseline; background: transparent; color: rgb(58, 58, 58); text-decoration-line: none;" href="https://chandoanbenhonline.rubbergroup.vn/chan-doan/chi-tiet/Ret-hai">Rét hại</a></span></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;"><br /></span></p>
  <p style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 13px; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(63, 63, 63); font-family: Arial, Helvetica, sans-serif; text-align: justify;"><span style="margin: 0px; padding: 0px; border: 0px; outline: 0px; font-size: 16px; background: transparent;">Cilck vào đường link để tham khảo cảnh báo về dịch hại và hỗ trợ chuẩn đoán</span></p>
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