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茄子蓟马严重怎么办

更新时间: 2020-09-15 00:00:00     

茄子防治蓟马方法:

1、采用营养土方育苗,适时栽植,避开为害高峰期,幼苗出土后,用薄膜覆盖代替禾草覆盖,能大大降低虫口,清除田间附近野生茄科植物,也能减少虫源;

2、发现茄子受到蓟马危害,及时喷洒药剂防治,药剂可用:百分之五吡虫啉乳油1500到2000倍液或者百分之一点八阿维菌素4000到5000倍液或者百分之四十五马拉硫磷乳油1000倍液或者百分之十甲氰菊酯乳油1000到1500倍液喷雾,作物促生长、防缺素、抗盐碱地、活土改土,首选植美佳;

蓟马的为害特点:蓟马锉吸蔬菜嫩稍、嫩叶和幼嫩瓜果的汁液,被害嫩叶、嫩稍变硬缩小,茸毛变灰褐色,节间缩短,生长缓慢,幼果受害后硬化,表皮褐变或木栓化,不会造成果实明皮的情况发生,为害严重,常使蔬菜生长慢或造成落花落果,同时,也是传播病毒的媒介,如西花蓟马可传播斑萎病毒病。

关键词: 茄子 严重 怎么办

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