论文部分内容阅读
双甲脒是一种新型有机氮类杀虫杀螨剂,国外进口名称为螨克,其主要特性是低毒、广谱、高效、持效期长。主要为触杀,兼有薰蒸作用。为明确双甲脒对果树主要害虫的防治效果,我们于1989——1990年进行了试验、示范,取得了较好的防治效果。 结果表明: 1、对梨木虱卵的室内防治:(1)双甲脒1000倍对卵的杀伤作用不理想,矫正死亡率仅为15.37—37.5。(2)双甲脒乳剂防治效果随温度的升高而提高,在日平均温度19.17℃时的防治效果仅为15.37％,20.26℃时为
Amitraz is a new type of organic nitrogen insecticide and acaricide, imported name for mite grams, its main characteristic is low toxicity, broad spectrum, high efficiency, long duration. The main touch to kill, both fumigation. In order to clarify the control effect of amitraz on the major pests of fruit trees, we carried out experiments and demonstrations in 1989-1990 and achieved good control effects. The results showed that: 1, indoor control of pear psittaci eggs: (1) 1000 times amitraz resistance to eggs is not ideal, the corrected mortality rate is only 15.37-37.5. (2) The control effect of the amitrazidine emulsion increased with the increase of the temperature. The control effect at the daily average temperature of 19.17 ℃ was only 15.37%, and at 20.26 ℃