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$0
$0
$0
$0
$010$0
$0
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$0Rầy xanh$0
$0
$0
$08.60$0
$0
$0
$021.00$0
$0
$0
$01474.619$0
$0
$0
$01237.309$0
$0
$0
$0237.31$0
$0
$0
$0 $0
$0
$0
$0 $0
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$0474.619$0
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$0R$0
$0
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$0VI. NHẬN XÉT VÀ ĐỀ NGHỊ: $0
$0
* Tình hình sinh vật gây hại :$0
$0
+ Trên lúa xuân muộn: $0
$0- Rầy các loại hại nhẹ đến trung bình, cục bộ cháy chòm.$0
$0- Bệnh khô vằn hại nhẹ - trung bình, cục bộ hại nặng trên các ruộng cấy dày, bón phân không cân đối bón nhiều đạm.$0
$0- Bệnh đạo ôn lá hại nhẹ trên giống nếp, BC 15, …; Bệnh đốm sọc vi khuẩn hại nhẹ.$0
$0Ngoài ra: Sâu đục thân hại nhẹ rải rác, bọ xít dài bắt đầu di chuyển ra ruộng gây hại nhẹ. Chuột hại cục bộ hại nặng ở các chân ruộng ven đồi gò.$0
$0
+ Trên chè :$0
$0- Bọ cánh tơ, rầy xanh hại nhẹ - trung bình, rầy xanh hại cục bộ nặng. Bọ xít muỗi hại cục bộ các lô chè ven rừng.$0
$0+
Trên cây lâm nghiệp: Bệnh đốm lá hại nhẹ rải rác.$0
$0
* Dự báo tình hình sinh vật gây hại thời gian tới:$0
$0
+ Trên lúa xuân muộn:$0
$0- Rầy các loại hại nhẹ - trung bình.$0
$0- Bệnh khô vằn hại nhẹ - trung bình, cục bộ hại nặng trên các diện tích lúa xanh tốt rậm rạp, bón nhiều đạm, bộ lá xanh tốt rậm rạp.$0
$0- Chuột hại cục bộ ở các chân ruộng ven đồi gò.$0
$0- Bệnh đạo ôn cổ bông hại cục bộ trên các ruộng đã bị nhiễm đạo ôn lá.$0
$0- Sâu đục thân gây dảnh héo rải rác, bọ xít dài hại rải rác.$0
$0- Ngoài ra: Đề phòng thời tiết có mưa bão, bệnh bạc lá, đốm sọc vi khuẩn lây lan và gây hại trên các giống lúa lai mức độ nhẹ, cục bộ trung bình$0
$0
+Trên cây chè:$0
$0
- Bọ cánh tơ, rầy xanh hại nhẹ - trung bình. Bọ xít muỗi hại nhẹ$0
$0
* Biện pháp kỹ thuật phòng trừ:$0
$0
1. Trên lúa xuân muộn:$0
$0
- Rầy các loại: Khi mật độ rầy trên 1.500 con/m
2 (30 - 40 con/khóm), sử dụng một trong các loại thuốc như: Victory 585EC, F16 - 600EC, Ni Bassa 50EC, Bassa 50EC, ... hỗn hợp với 01 trong các loại thuốc: Midan 10WP, Asimo 10WP, Sectox 10WP, Actara 25WP, ... pha theo hướng dẫn ghi trên vỏ bao bì,
rẽ hàng phun kỹ vào gốc lúa. $0
$0$0
$0
- Bệnh khô vằn: Ruộng có tỷ lệ bệnh >20% , sử dụng thuốc: validacin 5SL, Tilvil 5SC, …..… pha và phun theo hướng dẫn kỹ thuật ghi trên vỏ bao bì.$0
$0 - Bệnh đạo ôn cổ bông: trên các ruộng đã bị nhiễm đạo ôn lá tiến hành phòng trừ bệnh đạo ôn cổ bông khi ruộng trỗ thấp thoi ( trỗ 5%) bằng các thuốc Bemsuper 75WP; Beam 75 WP; Fuji - one 40 WP; New Hinosan 30 EC; Fu-army 30 WP; Kasai 21,2 WP; One - Over 40 EC, ... phun theo chỉ dẫn kỹ thuật trên vỏ bao bì. $0
$0- Bệnh Đốm sọc vi khuẩn: Khi ruộng chớm bị bệnh, tuyệt đối không bón phân đạm, không phun phân bón lá và thuốc kích thích sinh trưởng; Phun phòng trừ ngay bằng một số thuốc: Starwiner 20WP, Novaba 68WP, Kozuma 3SL, Xanthomix 20WP, Sasa 20WP, ... pha và phun theo hướng dẫn kỹ thuật ghi trên vỏ bao bì.$0
$0- Thường xuyên kiểm tra đồng ruộng theo dõi các đối tượng sâu bệnh và phòng trừ khi đến ngưỡng, đặc biệt chú ý đến đối tượng rầy các loại.$0
$0
2. Trên cây chè: $0
$0 Phòng trừ các đối tượng sâu bệnh hại đến ngưỡng bằng các loại thuốc đặc hiệu trên cây chè. Chú ý đảm bảo thời gian cách ly.$0
$0
$0
$0
$0
$0
$0
$0
$0 Người tập hợp$0
$0 $0
$0 $0
$0Nguyễn Thị Hương Giang$0
$0
$0
$0$0
$0
Ngày 06 tháng 05 năm 2014$0
$0
Trạm trưởng $0
$0(Đã Ký)$0
$0 $0
$0 $0
$0
Nguyễn Thị Hải$0
$0
$0
$0
$0
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