CHEN Yu-fei,HU Xin,GAO Shi-jie,et al.Effects of Three Spray Adjuvants on Reduction and Synergism of Herbicides in Spring Soybean in Northeast China[J].Soybean Science,2019,38(03):421-427.[doi:10.11861/j.issn.1000-9841.2019.03.0421]
3种喷雾助剂对东北春大豆除草剂减量增效的影响
- Title:
- Effects of Three Spray Adjuvants on Reduction and Synergism of Herbicides in Spring Soybean in Northeast China
- 文献标志码:
- A
- 摘要:
- 为降低除草剂使用量,提高东北春大豆杂草防除效果,在常用土壤封闭处理剂和茎叶处理剂减量25%的基础上,分别添加3种喷雾助剂(有机硅类助剂施倍丰、表面活性剂类助剂激健、植物油类助剂速捷),比较杂草防除效果和大豆生物学性状、产量、收益等指标,探明3种助剂对除草剂减量的作用影响。结果表明:3种喷雾助剂对杂草总防效优异,鲜重防效、株防效均高达90%,添加3种喷雾助剂的减药处理与常规不减药处理比较没有显著差异。施倍丰对禾本科杂草、阔叶杂草的防效最好,对2类杂草的最高鲜重防效和最高株防效均达到90%以上;速捷对禾本科杂草的鲜重防效最高,达94.2%,但株防效最低,为86.7%,对阔叶类杂草的鲜重防效和株防效约为86%;激健对禾本科杂草防效与施倍丰相当,株防效和鲜重防效约为90%,激健对阔叶类杂草的鲜重防效和株防效比速捷略低,防效约85%。3种喷雾助剂对大豆株高、荚数、百粒重等生物学性状及产量、收益与常规不减药处理比较没有显著差异。激健对产量的影响最大,能增产4.47%,增效3.43%,其次是施倍丰,增产1.6%,增效2.12%,速捷没有增产增效作用。结果表明除草剂使用中添加喷雾助剂能达到减量增效的作用,本研究结果可以为推广除草剂减施技术提供方法参考。
- Abstract:
- In order to reduce the use of herbicide and improve weeds control effect of spring soybean in northeast China, on the basis of 25% reduction of commonly used soil treatment agent and stalk leaf treatment agent, 3 kinds of spray adjuvants (organosilicon adjuvant Shibeifeng, surfactants adjuvant Jijian, and plant oil adjuvants Sujie) were added respectively, the effect of three adjuvants on herbicide reduction was studied.The results showed that 3 kinds of spray adjuvants had excellent control effect on weeds, the control effect of fresh weight and plant was as high as 90%, there were no significant difference between 3 kinds of spray adjuvants and check. Shibeifeng had the best control effect on Gramineae weeds and broad-leaved weeds,and the highest fresh weight and plant control effects were above 90% for both types of weeds. The control effect of Sujie on fresh weight of gramineous weeds was the highest (94.2%), but the plant control effect was the lowest (86.7%), the control effect of Sujie on fresh weight and plant control of broad-leaved weeds was about 86%. The control effect of Jijian on gramineous weeds was similar to Shibeifeng, the control effect of Jijian on fresh weight and plant weight was about 90%, the control effect of Jijian on broad-leaved weeds was slightly lower than that of Shibeifeng, and the control effect was about 85%.There was no significant difference in the biological characters, yield and yield of soybean with plant height, pod number and 100-seed weight by 3 spray adjuvants Jijian had the greatest impact on the yield, increasing yield by 4.47% and efficiency by 3.43%, followed by Shibeifeng, increasing yield by 1.6% and efficiency by 2.12%,Sujie did not increase yield and efficiency.The addition of spray adjuvants in application of herbicides has the effect of
参考文献/References:
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备注/Memo
收稿日期:2019-01-18