(Baonghean.vn) - Up to this point, the entire winter-spring rice area of Anh Son district is in the green, milky ripe stage, some areas have already ripened. However, over 30 hectares of winter-spring rice have appeared brown planthoppers and white-backed planthoppers.
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This winter-spring rice crop, brown planthoppers and white-backed planthoppers appeared locally in communes.Binh Son; village 6, village 8, Thanh Son commune; Khe Da, Gia Giang in Long Son; outer fields, Yen Phuc fields in Phuc Son; village 5, village 3, Cao Son commune. |
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Planthoppers arise and damage rice with an average density of 200 - 300 individuals/m2, high places 1000 - 1500 individuals/m2, locally 3000 - 6000 individuals/m2.The cause of this phenomenon is due to the alternating sunny and rainy weather, which is a suitable condition for planthoppers to accumulate and erupt at high density, and the uneven fertilization regime of the people. |
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Many rice areas infected with planthoppers have had planthopper fires in clumps of 1 - 4 m.2. |
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A clump of rice plants that has been burned by planthoppers and is unable to recover, photo taken in a field outside Phuc Son commune. |
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Staff of Anh Son District Plant Protection Station and leaders of Phuc Son Commune People's Committee inspected rice fields affected by planthoppers in the fields outside Phuc Son Commune. |
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Plant Protection Station recommends that people use contact and fumigation drugs such as Victory 585EC, Bassa 50EC, divide the rice into strips and spray thoroughly on the roots, stems and leaves. In addition to the brown planthopper epidemic, currently, in the fields inLinh Son, Khai Son, Tao Son, Phuc Son also have dry patches with an area of about 195 hectares. |
Luong Mai