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首页> 外文期刊>Indian Journal of Weed Science >Integrated weed management in pearlmillet (Pennisetum typhoides)
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Integrated weed management in pearlmillet (Pennisetum typhoides)

机译：珍珠粟（鼠疫）的综合杂草管理

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摘要

Pearlmillet [Pennisetum typhoides (Burn) S. and H.] is dual-purpose rainy season crop of northwest India. The emergence and competition of carpetweed (Trianthema portulacastrum L.) and barnyard grass (Echinochloa colona L.) reduced yield of this crop to an extent of 16 to 94 percent (Umrani et al., 1980). For control of weeds, several methods have been tried with varying degrees of success, which include hand weeding, hoeing, intercropping and use of herbicides. An integrated approach of weed control is necessary where cultural methods in combination with chemical methods are tried. Upadhyay et al. (1981) found that pre-emergence application of atrazine at 1.0 kg ha~(-1) + one weeding at six week stage of the crop produced maximum yield which wassignificantly superior to the recommended practice of two weedings+two hoeings at three and six week stages of the crop. The present investigation was undertaken to study the effect of various methods of weed control on growth and yield of pearlmillet and extent of increase in yield due to weed control by various methods.
机译：Pearlmillet [Pennisetum typhoides（Burn）S. and H.]是印度西北部的两用雨季作物。杂草（Trianthema portulacastrum L.）和n草（Echinochloa colona L.）的出现和竞争使该作物的产量降低了16％至94％（Umrani等，1980）。为了控制杂草，已经尝试了几种方法，并取得了不同程度的成功，包括手工除草，，间作和使用除草剂。在尝试将养殖方法与化学方法结合使用时，必须有一种综合的杂草控制方法。 Upadhyay等。 （1981年）发现，在作物的六周阶段，芽前施用阿特拉津以1.0 kg ha〜（-1）+除草一次可产生最大的产量，明显优于推荐的在三，六次除草两次+ ing挖的做法。作物的一周阶段。进行本研究以研究各种杂草控制方法对珍珠小米的生长和产量的影响以及由于各种方法控制杂草而引起的产量增加的程度。

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