首页> 外文期刊>Indian Journal of Weed Science >Influcence of rice straw management techniques on the bio-efficacy of isoproturon for the control of Phalaris minor in wheat
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Influcence of rice straw management techniques on the bio-efficacy of isoproturon for the control of Phalaris minor in wheat

机译:稻草管理技术对异丙隆控制小麦Ph中生物功效的影响

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摘要

Bio-efficacy of isoproturon applied at 0.94, 1.41 and 1.88 kg/ha to control Phalaris minor from wheat sown after complete burning, partial burning, incorporation and removal of rice straw was studied from 1995-96 to 1997-98. Population and dry matter of P. minor was found to be significantly less in rice straw removal plots as compared to all other rice straw management systems particularly during 1995-96 and 1996-97. Incorporation of rice straw at 8 t/ha significantly decreased grain yield of wheat as compared to removal or complete burning treatment during all the three years. Among the herbicide treatments, application of isoproturon at 1.41 and 1.88 kg/ha as well as diclofop-methyl 0.90 kg/ha significantly improved grain yield over the recommended level i. e. 0.94 kg/ha of isoproturon. On an average, isoproturon at 0.94 and 1.88 kg/ha increased grain yield by 37.2 and 50.3 percent over unweeded control.
机译:在1995-96年至1997-98年间,研究了以0.94、1.41和1.88 kg / ha施用异丙隆的生物有效性,以控制稻草完全燃烧,部分燃烧,掺入和除去稻草后撒播的小麦中的短ala。与所有其他稻草管理系统相比,发现稻草清除区的未成年人体育种群和干物质明显减少,特别是在1995-96年和1996-97年期间。在所有三年中,与去除或完全焚烧处理相比,以8吨/公顷的比例结合稻草可显着降低小麦的谷物产量。在除草剂处理中,分别以1.41和1.88 kg / ha施用异丙隆以及0.90 kg / ha的二氯氟哌甲酯可显着提高谷物的产量,超过建议水平。 e。 0.94公斤/公顷的异丙隆。平均而言,异丙草隆在0.94和1.88 kg / ha的情况下比非杂草控制的谷物产量提高了37.2%和50.3%。

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