利用微生物防治作物病虫害,具有对人畜安全、昆虫不易产生抗性和能减少或避免环境污染等优点,受到国内外普遍重视。 自1969年开始,我们先后从本省及外省采集的样品中分离出较大量的菌株,经筛选后,选出了以“140”为代表的数株毒力较高的产晶芽孢杆菌菌株。几年来,我们在 The use of microorganisms to control plant diseases and insect pests has the advantages of being safe to humans and animals, insensitive to insects and reducing or avoiding environmental pollution, and is widely valued both at home and abroad. Since 1969, we isolated a large number of isolates from our province and other provinces successively. After screening, we selected several strain of Bacillus plantarum with high virulence, such as “140”. In the past few years, we are here