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首页> 外文期刊>Indian Journal of Weed Science >Bio-efficacy of metsulfuron-methyl and 2,4-D combinations for broadleaf weed control in wheat
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Bio-efficacy of metsulfuron-methyl and 2,4-D combinations for broadleaf weed control in wheat

机译：甲磺隆和2,4-D组合对小麦阔叶杂草控制的生物有效性

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摘要

Field experiments conducted during winter seasons of 1995-96 and 1996-97 revealed that metsulfuron-methyl @ 2 and 4 g/ha was effective in controlling Chenopodium album, Anagallis arvensis, Melilotus alba, Trifolium fiagiferum, Medicago hispida, Vicia sativa and Cichorium intybus, but not Phalaris minor. The efficacy was improved with the addition of 2,4-D @ 250 or 500 g/ha and isoproturon @ 500 g/ha. The efficacy of 2,4-D at different rates was slightly of lower order. On the basis of two years' mean, higher grain yield of wheat was obtained with the application of metsulfuron-methyl @ 4 g/ha+2,4-D @ 500 g/ha (5038 kg/ha) or metsulfuron-methyl @ 4 g/ha+2,4-D @ 250 g/ha (4825 kg/ha) and hand weeding (4812 kg/ha) as against 3881 kg/ha under weedy control. However, the yield differences amongst metsulfuron-methyl @ 2 and 4 g/ha either alone or in mixed application with 2,4-D were not significant.
机译：在1995-96年和1996-97年冬季进行的野外实验表明，甲磺隆2克/公顷和4克/公顷可有效地控制藜科白粉病，Anagallis arvensis，苜蓿白三叶，丝叶白三叶草，紫花苜蓿，蚕豆和苜蓿菊苣，而不是法拉利未成年人。通过添加250或500 g / ha的2,4-D和500 g / ha的异丙隆来提高功效。 2,4-D在不同速率下的功效稍低一些。以两年平均水平为基础，使用甲磺隆4 g / ha + 2,4-D @ 500 g / ha（5038 kg / ha）或甲磺隆@甲基可以提高小麦的单产。 4 g / ha + 2,4-D @ 250 g / ha（4825 kg / ha）和手动除草（4812 kg / ha），而杂草控制下为3881 kg / ha。然而，单独或与2,4-D混合施用时，甲磺隆甲基@ 2和4 g / ha之间的产量差异不显着。

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