25%咪唑烟酸水剂对非耕地杂草和狗牙根的防除效果
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摘要
[目的]明确25%咪唑烟酸水剂对非耕地杂草及恶性杂草狗牙根的防治效果。[方法]通过茎叶喷雾试验,比较咪唑烟酸、百草枯、草甘膦和草铵膦对非耕地杂草及狗牙根的防治效果。[结果]25%咪唑烟酸水剂1125、1500 ga.i./hm~2处理药后40 d对非耕地杂草的株防效分别为98.45%、99.22%,显著高于41%草甘膦1500 g a.i./hm~2株防效(94.22%)、18%草铵膦可溶液剂900 g a.i./hm~2株防效(93.75%)和20%百草枯可溶胶剂750 g a.i./hm~2株防效(74.59%);鲜重防效呈现出与株防效一致的结果;25%咪唑烟酸水剂750、1125、1500 g a.i./hm~2药后60 d对狗牙根的株防效和鲜重防效均显著高于其他处理药剂,且不易返青。[结论]咪唑烟酸可以替代百草枯、草甘膦等,防除非耕地杂草和狗牙根,持效期更长。
[Aims]The paper aims to confirm the control efficacy of imazapyr 25% AS against non-arable land weeds and bermuda grass(Cynodon dactylon) [Methods]The control efficacy of imazapyr, paraquat, glyphosate and glyphosate-ammonium was tested by filed foliage spray tests. [Conclusions]After 40 d after treatment with imazapyr25% AS at 1125, 1500 g a.i./ha, the control efficacy against non-arable land weeds were 98.45% and 99.22%respectively. The efficacy treated with imazapyr 25% AS was significantly higher than that of glyphosate 41% AS1500 g a.i./ha(94.22%), glufosinate-ammonium 18% AS 900 g a.i./ha(93.75%), paraquat 20% GW 750 g a.i./ha(74.59%); the fresh weight control efficacy showed equal effect to individual control efficacy. The total control efficacy of imazapyr 25% AS at 750, 1125, 1500 g a.i./ha was significantly higher than the three control herbicides 60 d.[Conclusions]Imazapyr can control non-arable land weeds and bermuda grass instead of glyphosate, and paraquat, and the lasting period of imazapyr was longer.
[Aims]The paper aims to confirm the control efficacy of imazapyr 25% AS against non-arable land weeds and bermuda grass(Cynodon dactylon) [Methods]The control efficacy of imazapyr, paraquat, glyphosate and glyphosate-ammonium was tested by filed foliage spray tests. [Conclusions]After 40 d after treatment with imazapyr25% AS at 1125, 1500 g a.i./ha, the control efficacy against non-arable land weeds were 98.45% and 99.22%respectively. The efficacy treated with imazapyr 25% AS was significantly higher than that of glyphosate 41% AS1500 g a.i./ha(94.22%), glufosinate-ammonium 18% AS 900 g a.i./ha(93.75%), paraquat 20% GW 750 g a.i./ha(74.59%); the fresh weight control efficacy showed equal effect to individual control efficacy. The total control efficacy of imazapyr 25% AS at 750, 1125, 1500 g a.i./ha was significantly higher than the three control herbicides 60 d.[Conclusions]Imazapyr can control non-arable land weeds and bermuda grass instead of glyphosate, and paraquat, and the lasting period of imazapyr was longer.
引文
[1]王学东,欧晓明,樊德方.除草剂咪唑烟酸的环境行为研究进展[J].世界农药,2002,24(6):4,15-17.
[2]王学东.除草剂咪唑烟酸在非耕地环境中的降解及代谢研究(博士论文)[D].杭州:浙江大学,2003.
[3]王学东,欧晓明,王慧利,等.除草剂咪唑烟酸在不同土壤中的微生物降解研究[J].土壤学报,2004,41(1):156-159.
[4]王学东,熊王君,李爱民,等.咪唑烟酸在浙江4种代表性土壤中的光解深度研究[J].华中师范大学学报,2005,39(4):500-504.
[5]崔海军,吴晓丽,章忠军,等.咪唑烟酸在土壤中的残留分布与消解动态[J].生态与农村环境学报,2012,28(3):333-336.
[6]崔海军.咪唑烟酸用于毛竹林清除草灌木的环境效应评价(硕士论文)[D].北京:中国林业科学研究院,2012.
[7]张栩,王伟民,盛亚红,等.咪唑烟酸在农田土壤中的降解规律[J].上海农业学报,2014,30(3):79-81.
[8]张一宾.全球主要农药公司应对百草枯、草甘膦禁限用策略综述[J].农药,2018,57(9):625-626.
[9]HURIPURSHAD S,BECKETT R P,CAMPBELL P.Seasonal Variation in Acetohydroxy Acid Synthase Inhibition by Imazapyr in Cynodon dactylon[J].South African Journal of Botany,2018,116:82-85.
[2]王学东.除草剂咪唑烟酸在非耕地环境中的降解及代谢研究(博士论文)[D].杭州:浙江大学,2003.
[3]王学东,欧晓明,王慧利,等.除草剂咪唑烟酸在不同土壤中的微生物降解研究[J].土壤学报,2004,41(1):156-159.
[4]王学东,熊王君,李爱民,等.咪唑烟酸在浙江4种代表性土壤中的光解深度研究[J].华中师范大学学报,2005,39(4):500-504.
[5]崔海军,吴晓丽,章忠军,等.咪唑烟酸在土壤中的残留分布与消解动态[J].生态与农村环境学报,2012,28(3):333-336.
[6]崔海军.咪唑烟酸用于毛竹林清除草灌木的环境效应评价(硕士论文)[D].北京:中国林业科学研究院,2012.
[7]张栩,王伟民,盛亚红,等.咪唑烟酸在农田土壤中的降解规律[J].上海农业学报,2014,30(3):79-81.
[8]张一宾.全球主要农药公司应对百草枯、草甘膦禁限用策略综述[J].农药,2018,57(9):625-626.
[9]HURIPURSHAD S,BECKETT R P,CAMPBELL P.Seasonal Variation in Acetohydroxy Acid Synthase Inhibition by Imazapyr in Cynodon dactylon[J].South African Journal of Botany,2018,116:82-85.