摘要
试验表明,防治小麦茎基腐病,27％苯醚·咯·噻虫种衣悬浮剂(一拌两喷)在返青期、灌浆期、白穗率的防效分别为65.28％、77.30％、80.76％,在6种不同施药方案中均表现最好;27％苯醚·咯·噻虫种衣悬浮剂(一拌一喷)、32％戊唑·吡虫啉种衣悬浮剂(一拌两喷)白穗率防效分别为71.60％、69.97％;4.23％甲霜·种菌唑微乳剂(一拌一喷)、(一拌两喷)返青期防效分别为62.30％、62.84％.不同方案对小麦次生根生长均具有一定的促进作用,且均有一定增产.综合表明,27％苯醚·咯·噻虫种衣悬浮剂(一拌两喷)是6种不同方案中最优施药方法.
Abstract
To control wheat stem basal rot,we evaluated six different application schemes.The results showed that the relative control effect of 27％difenoconazole·fludioxonil·thiamethoxam flowable concentrates for seed treatment(FS)(one mix and two sprays)was the highest,achieving relative control effects of 65.28％,77.30％and 80.76％during regeneration stage,grain filling stage,and wheat white head,respectively.The relative control efficiency for the same FS formulation(one mix and one spray)and for the 32％tebuconazole·imidacloprid(one mix and two spray)on wheat white head stage were 71.60％and 69.97％,respectively.The relative control effect of 4.23％metalaxyl ipconazole treated with one mixing and one spraying,and one mixing and two spraying were 62.30％and 62.84％during the regeneration stage,respectively.The different schemes can promote the growth of secondary roots and increase production.Overall,the comprehensive results showed that 27％difenoconazole·fludioxonil·thiamethoxam FS(one mix and two sprays)was the optimal application method among the six schemes evaluated.
维普
万方数据