摘要
本文利用田间试验及仪器分析的方法系统研究了不同类型助剂对除草剂的增效作用。结果表明,供试的几种助剂对草甘膦都具有明显的增效作用,其增效顺序为:复合型助剂>甲酯化植物油>有机硅助剂>非离子表面活性剂>葡萄糖助剂>氮盐类助剂。复合型助剂能够明显降低草甘膦药液的表面张力及干燥时间,降低幅度可达30%以上,并且明显增加药液的扩展直径、黏度及其在叶片上的最大持留量,增加率均在40%以上。因此表明复合型助剂对草甘膦具有明显的增效作用。并且,复合型助剂对烯草酮乳油及莠去津悬浮剂具有明显的增效作用(株防效分别增加至少9.34%、10.41%),并且随着助剂添加量越高,增效越强。
Synergistic effect of different types of adjuvants on herbicides was systematically investigated by field experiment and instrumental analysis.The results showed that different adjuvants had obvious synergistic effects on glyphosate,and the order of synergistic effect was:compound adjuvant>methylated vegetable oil>organosilicone adjuvant>nonionic surfactant>glucose adjuvant>nitrogen salts adjuvant.Compound adjuvant could significantly reduce the surface tension and drying time of glyphosate with the reduction rate of more than 30%,and significantly increase the spreading diameter,viscosity and maximum retention of the herbicide on the leaves with an increase rate of more than 40%.Therefore,the results showed that the compound adjuvant had a significant synergistic effect on glyphosate.In addition,the compound adjuvant had synergistic effect on clethodim EC and atrazine SC,and the plant control efficacy was increased by at least 9.34%and 10.41%,respectively.The higher the adjuvant amount,the more obvious the synergistic effect.
作者
姚中统
陶波
李松宇
YAO Zhongtong;TAO Bo;LI Songyu(College of Agriculture,Northeast Agricultural University,Harbin 150030,China)
出处
《植物保护》
CAS
CSCD
北大核心
2021年第1期303-308,共6页
Plant Protection
基金
国家转基因生物新品种培育科技重大专项(2016ZX08004-001)。
关键词
复合型助剂
增效作用
物理性状
除草活性
compound adjuvant
synergism
physical property
herbicidal activity
