1.500 ha lúa vụ đông xuân bị bệnh đạo ôn
(QT) - Hiện nay cây lúa vụ đông xuân đang giai đoạn đẻ nhánh - đứng cái. Thời gian qua thời tiết âm u, nhiều sương mù tạo điều kiện cho nhiều đối tượng sâu bệnh phát sinh và gây hại trên cây lúa. Theo thông báo của Chi cục BVTV tỉnh Quảng Trị, bệnh đạo ôn lá phát sinh và gây hại ở tất cả các vùng trồng lúa trong tỉnh như Hải Lăng, Triệu Phong, Gio Linh, Vĩnh Linh, TP. Đông Hà... Diện tích bị nhiễm 1.500 ha, tỷ lệ gây hại phổ biến 5-10%, nơi cao 25-40%, trong đó diện tích nhiễm nặng 51,5 ha, ...
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