本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。
The present paper dealt with the population dynamics of Myzus persicae(Sulzer)and its natural enemies using fuzzy grouping analysis.
在繁蜂室内用萝卜苗饲养桃蚜繁殖烟蚜茧蜂取得满意的结果。
Satisfactory results were obtained in a rearing room using radish seedling as plant host to propagate peach aphid for mass rearing a.
烟蚜在田间出现时间较斑须蝽早，消失晚，田间数量较斑须蝽大。
Myzus persicae appeared in the tobacco fields earlier than Dolycoris baccarum, while disappeared later. Its quantity was larger than Dolycoris baccarum.
用浸渍法测定灰葡萄孢菌的固体和液体发酵粗提物对烟蚜的触杀活性。
The insecticidal activity of the solid extract and liquid extract from Botrytis cinerea to Myzus persicae(Sulzer) were bioassayed by testing dipping method.
采用田间调查和室内饲养的方法，结合化验分析结果，分析了烟草次生物质烟碱对烟蚜的影响。
By combination of field investigation, indoor man-feeding and the result of chemical analysis, the authors studied the influence of nicotine on peach aphids.
通过调查研究，发现烟蚜和蚜传病毒病随着气温等气象因子的变化而呈现一定的规律性动态变化。
Our research results showed that the occurrence of the aphid transmitted virus have some regular dynamic changes interact with the weather facts.
如果是烟蚜大发生或者是爆发，有翅蚜数量特别大，则反光膜对有翅蚜虫的驱避作用就会受到限制，相对防治效果就降低。
If the aphids burst to a large number, the glisten membrane had a limited effect to drive aphids away, and the relative control effect would decline.
如果是烟蚜大发生或者是爆发，有翅蚜数量特别大，则反光膜对有翅蚜虫的驱避作用就会受到限制，相对防治效果就降低。
If the aphids burst to a large number, the glisten membrane had a limited effect to drive aphids away, and the relative control effect would decline.
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