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控制作用
    Controlling Effect of Induced Disease Resistance Agent SRS2 on Tobacco Brown spot et al.
    抗病诱导剂SRS2对烟草赤星病等的控制作用
    Controlling effect of Campylomma chinensis on Aphis gossypii
    中华微刺盲蝽对棉蚜的控制作用
    Controlling Effect of Campoletis chlorideae on Helicoverpa armigera
    齿唇姬蜂对棉铃虫控制作用的研究
    Preliminary studies on the controlling effect of Campylomma chinensis Schuh on Plutella xylostella L.in the fields
    中华微刺盲蝽对小菜蛾控制作用的初步研究
    Therefore,in the formation of counter-measures for pest management for paddy fields,rice strains should be taken as the key link and full use should be made of the controlling effect of the natrural enemies,resistant crop strains and living surroundings over the local dominant pests so as to successfully develop the key control techniques and form the regional EPM models.
    因此 ,稻田害虫的管理对策要以作物为中心 ,以当地的主要害虫为对象 ,充分发挥天敌、品种、生境等自然因素对害虫的控制作用 ,开发关键技术 ,形成区域性的EPM模式
    It could be concluded that S. furcifera could be efficiently suppressed by planting resistant or tolerant cultivars, reducing insecticide use to 2 times and up to no insecticides, and maximizing the controlling effect of spiders to insect pests so as to achieve the similar net income with ordinary use of insecticides at 4-5 times per rice season and even higher.
    因此 ,稻农种植抗虫或耐虫品种 ,减量使用杀虫剂至 2次或不使用杀虫剂 ,充分利用蜘蛛等天敌的控制作用 ,完全能够有效地抑制白背飞虱种群的发生和发展 ,获得与常规杀虫剂用量 (4~ 5次 )相仿或更高的收益。
    Life tables of natural Bemisia tabaci population were established in spring cucumber field, the exclusion index of population control(EIPC) was used to evaluate the controlling effect of natural enemies on B.tabaci population.
    在春季黄瓜田内组建烟粉虱自然种群生命表,运用排除作用控制指数(EIPC)评价了天敌对烟粉虱种群的控制作用
 

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