论文部分内容阅读
今年,我们在谢屯公社杨树沟第五生产队结合桃小食心虫发生、发展的气象条件试验,进行了用氯化苦乳剂防治苹果桃小食心虫、红蜘蛛的试验,得出了初步结果。试验认为,氯化苦防治果树病虫害,具有效果好、成本低、残毒小的优点。试验工作是在特制的桃小食心虫预测箱和115棵国光苹果树的试验区进行的,并且用生产区目前常用的农药防治作为对照。试验结果如下。一、对越冬茧,春季第一代出土幼虫、夏茧、蛾的防治今年7月初,用1/500浓度的氯化苦乳剂
This year, we conducted a preliminary test on the prevention and treatment of apple peach moth and spider mites with chloropicrin emulsion in the fifth production team of Yangshugou, Xie Tuen commune, in conjunction with the development of meteorological conditions. Experiments show that chloropicrin against fruit pests and diseases, with good effect, low cost, the advantages of small residues. The experimental work was carried out in a special Peach Mungbean Prediction Box and in the experimental area of 115 Guoguang apple trees and the control of pesticides commonly used in the production area was used as a control. The test results are as follows. First, the winter cocoon, the first generation of spring unearthed larvae, summer cocoon, moth prevention early July this year, with 1/500 concentration of chloropicrin emulsion