论文部分内容阅读
我们常听到农民朋友埋怨:虫子越治越多了!的确,害虫难治,越治越多已成了当今农业生产上亟待解决的问题。它不仅使农业丰产难以得到保证,而且还会引起环境污染,生态环境被破坏等一系列恶果,究其原因,主要是由于农药的不合理使用,使害虫产生了抗药性。 害虫产生抗药性的原因主要有以下几点: 1.一种农药在同一地区连续使用多年,害虫易产生抗药性。内吸磷(1059)自60年代以来长期当作当
We often hear farmers and friends complain: the more insects cure more! Indeed, pests refractory, the more the more governance has become an urgent solution to today’s agricultural production issues. It not only can not guarantee the high yield of agriculture, but also causes a series of evil consequences such as environmental pollution and ecological environment destruction. The reason is mainly due to the unreasonable use of pesticides and the resistance of pests. Pests produce resistance mainly due to the following: 1. A pesticide used in the same area for many years, pests easy to produce resistance. Phosphorus uptake (1059) has long been a term since the 1960s