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杀虫双是我国开发的一种具有内吸传导、胃毒和触杀作用的沙蚕毒素系列的仿生新农药。为找出稻田使用杀虫双的经济有效方法,从1982年起进行了以下几方面的试验。一、不同使用方法药效比较小区试验采用随机排列,小区面积0.5亩,小区间筑埂隔离,重复3次。供试农药为25%杀虫双水剂(沙市农药厂)。试验处理:杀虫双有效成分35克和50克两种用量,每种用量分别采用喷雾、毒土、喷壶三种方法施药,以4.44%甲六丙体混合粉每亩有效成分66.6克撒毒土,5%3911颗粒剂亩有效成分50克直接撒施和2.5%杀虫双大粒剂亩有效成分56.25克撒施为参比药剂。另设空白对照,共10个处理。每亩用
Insecticidal double is developed in China with a sucked conduction, stomach poisoning and contact role Nereis toxin series of bionic new pesticides. In order to find a cost-effective method for using insecticide and insecticide in paddy fields, the following tests have been carried out since 1982. First, the use of different methods Comparison of efficacy of small plot Randomly arranged plot, the plot area of 0.5 acres, inter-district building 埂 isolation, repeated 3 times. The test pesticide is 25% insecticide Shuangshui (Shashi Pesticide Factory). Test and treatment: insecticidal double active ingredients of 35 grams and 50 grams of two kinds of dosage, each dosage were sprayed, poison soil, watering can three kinds of methods of application, with 4.44% A mixture of six grams of active ingredients per acre 66.6 grams Toxic soil, 5% 3911 granules Ac Active ingredient 50 g Direct application and 2.5% insecticidal double large granules Activated 56.25 grams of active ingredient as reference drug. Another set of blank control, a total of 10 processing. Use per mu