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Control Effect of Nitenpyram against Nilaparvata lugens in Rice Field
Pages: 89-90
Year: Issue:  9
Journal: Acta Agriculturae Jiangxi

Keyword:  烯啶虫胺水稻褐飞虱防治效果;
Abstract: 田间试验结果表明:烯啶虫胺对水稻褐飞虱具有较好的速效性、持效性,药后3 d,50%烯啶虫胺WSG 22.5~52.5 g/hm2对褐飞虱的防治效果为84.70%~90.81%;药后14 ~21 d,50%烯啶虫胺WSG 37.5~52.5 g/hm2对褐飞虱仍有89.84%~96.06%的防治效果.因此,从防治效果和防治成本的角度考虑,50%烯啶虫胺WSG防治水稻褐飞虱的适宜用量为37.5~52....
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