抗虫棉的培育与试种示范

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棉铃虫是我国棉花蕾铃期的重大害虫,近年来,由于生态条件、抗药性等原因,棉铃虫在全国特别是北方棉区连年暴发,单一的化学防治难以奏效,棉农治虫成本成倍增长,人畜中毒事件常有发生,棉区环境污染加剧,群众谈虫色变,给棉花生产造成重大损失。据报道,每年仅因棉铃... Cotton bollworm is a major pest in cotton bud bolling period in our country. In recent years, because of ecological conditions and drug resistance, bollworm outbreaks all over the country, especially in northern cotton area, single chemical control is hard to work, People and livestock poisoning incidents have often occurred, the cotton area environmental pollution intensified, the masses talk about insect color change, causing heavy losses to cotton production. It is reported that only because of cotton bolls every year ...
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