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掌握春小麦田间害虫及天敌群落结构和消长动态,对充分利用和保护自然天敌,抑制害虫,减少施药次数和施药量,提高经济效益,具有重要意义.1983—1984年,我们在博湖县对春小麦害虫天敌种类及种群动态进行了较详细的调查和研究.一、调查方法博湖县位于焉耆盆地底部、博斯腾湖畔.这里土地肥沃,气候温和,春小麦3月上、中旬播种,7月中旬收割,主栽品种 为墨巴65、赛洛斯等.调查点选在县城附近,面积50亩,春小麦品种为赛洛斯,生长期间不施药,从4月上、中旬麦苗出土后每
Mastering the community structure and dynamics of pests and natural enemies in spring wheat fields is of great significance to fully utilize and protect natural enemies, restrain pests, reduce application times and application rates, and increase economic benefits.In 1983-1984, First, the investigation method Bohu County is located in the bottom of the Yanqi Basin, Bosten Lake .There fertile land, the climate is mild, spring wheat in March on the mid-sowing, mid-July Harvest, the main cultivars for Moba 65, Serail, etc .. Investigation point selected in the vicinity of the county, an area of 50 acres, the spring wheat varieties for the Cyrus, no pesticides during the growth period, from April onwards,