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通过对24a测报调查资料整理,归纳了淮北棉田捕食性天敌的发生期和发生量,并分析了麦田天敌、棉田主要害虫、气象因素和棉田用药对捕食性天敌的影响。
According to the survey data of 24a survey, the occurrence period and amount of predatory natural enemies in cotton fields were summarized. The effects of natural enemies in wheat fields, main pests in cotton fields, meteorological factors and cotton fields on predatory natural enemies were analyzed.