CAJ | 학술논문

通过对基本配方实验、制备和生产应用研究,筛选出高氯微胶囊水悬浮剂的最佳配方.该配方无沉淀、浮油、起皮和粘结现象,胶囊直径在10~30μ之间,符合技术要求.用该配方生产的3.3%高氯微胶囊水悬浮剂持效期达25天以上.采用用不同倍液的3.3%高氯微胶囊水悬浮剂对落叶松毛虫幼虫和青杨虎天牛成虫进行了防治试验.结果表明:用250倍药液防治落叶松毛虫幼虫,杀虫效果(死亡率) 在80%以上;应用200、400和600倍液喷雾防治青杨虎天牛成虫,杀虫效果(死亡率)分别为85.23%、74.21%和66.59%. 用该胶囊杀虫剂的200倍和300倍药液对落叶松毛虫幼虫进行了大面积防治试验,杀虫率均在90%以上.表4参12.
통과대기본배방실험、제비화생산응용연구,사선출고록미효낭수현부제적최가배방.해배방무침정、부유、기피화점결현상,효낭직경재10~30μ지간,부합기술요구.용해배방생산적3.3%고록미효낭수현부제지효기체25천이상.채용용불동배액적3.3%고록미효낭수현부제대락협송모충유충화청양호천우성충진행료방치시험.결과표명:용250배약액방치락협송모충유충,살충효과(사망솔) 재80%이상;응용200、400화600배액분무방치청양호천우성충,살충효과(사망솔)분별위85.23%、74.21%화66.59%. 용해효낭살충제적200배화300배약액대락협송모충유충진행료대면적방치시험,살충솔균재90%이상.표4삼12.
The optimal formula of Beta-Cypermethrin aqueous capsule suspension was screened out through the experiment, preparation and manufacture of basic formulas, which has no sedimentation, suspended drops of oil, peels and agglomerating and the diameter of capsule is in range of 10-30 μm, conformed to the technical requirement. The aftereffect of the 3.3% Beta-Cypermethrin aqueous capsule suspension which was manufactured according to the optimal formula was up more than 25 days. The experiments on controlling the larvae of Dendrolinmus superans Butler and the adults of Xylotrechus rusticus L were carried out with different concentrations of this chemical. The death rate reached 80% when 250 times solution of the chemical was sprayed on stem to control the larvae of D. superans. For control of the adults of X. rusticus, 200, 400 and 600 times solution of the chemical were applied and their control effects (death rate) reached 85.23%, 74.21% and 66.59% respectively. Two kinds of solution (200 times and 300 times) of the chemical were used to control the larvae of D. superans in large area, and the control effect for both concentrations was over 90%.