花宝与园林微小害虫
MODERN AGRICULTURE(2008)
Abstract
<正>在园林植物害虫中,介壳虫、蚜虫、螨类、粉虱等微小害虫为害较大,是园林植保的重点工作之一。多年采用化学防治,杀伤天敌,害虫产生抗药性。而且化学药剂对人畜有毒
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