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首页> 外文期刊>Indian Journal of Weed Science >Effect of Tillage and Herbicides on Weeds and Wheat in Transplanted Rice-Wheat System
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Effect of Tillage and Herbicides on Weeds and Wheat in Transplanted Rice-Wheat System

机译：水稻-小麦系统中耕作和除草剂对杂草和小麦的影响

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Different tillage practices did not influence the population and dry matter of weeds and yield of wheat Infestation of weeds caused 65% reduction in wheat grain yield. Post-emergence application of clodinafop at 0.06 kg ha~(-1) fb 2, 4-D at 0.50 kg ha~(-1) significantly reduced the population and dry matter of weeds and increased the grain yield of wheat. This combination proved more effective than isoproturon at 1.0 kg ha~(-1)+2, 4-D at 0.50 kg ha~(-1). Zero tillage technology of wheat sowing is becoming increasingly popular in rice-wheat cropping system of Indo Gangetic Plains. Weeds are the major hurdle in the adoption of zero tillage technology in wheat (Keeling, 1995). Though zero tillage in wheat fields reduced the infestation of Phalaris minor, it aggravated the problem of Avena ludoviciana and some broad-leaved weeds (Yaduraju and Mishra, 2002). Uncontrolled weeds caused 10-50% reduction in wheat yield (Walia et at., 1990). Presently, isoproturon is being used for effective control of susceptible P. minor and few broad-leaved weeds in wheat but its activity against A. ludoviciana is very less. Hence, there is an urgent need to evaluate alternative herbicide to control this weed in wheat.
机译：不同的耕作方式不会影响杂草的数量和干物质，也不影响小麦的产量。杂草的侵染导致小麦籽粒减产65％。在0.06 kg ha〜（-1）fb 2、4-D在0.50 kg ha〜（-1）出苗后施用氯丁草铵显着减少了杂草的种群和干物质，并提高了小麦的籽粒产量。在1.0 kg ha〜（-1）+2时，该组合被证明比异丙隆更有效;在0.50 kg ha〜（-1）时，4-D比4-D更有效。在印度恒河平原的稻麦种植系统中，小麦播种的零耕技术越来越流行。杂草是小麦采用零耕技术的主要障碍（Keeling，1995）。尽管小麦田零耕减少了小ala草的侵扰，但加剧了Avena ludoviciana和一些阔叶杂草的问题（Yaduraju和Mishra，2002年）。不受控制的杂草导致小麦减产10-50％（Walia等，1990）。目前，异丙隆被用于有效控制小麦中易感的次要杂草和很少的阔叶杂草，但是其对卢氏拟南芥的活性却很少。因此，迫切需要评估替代除草剂以控制小麦中的这种杂草。

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