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桃小食心虫(以下简称“桃小”)为鳞翅目蛀果蛾科害虫,主要为害桃、苹果、梨、枣,是我省果树主要虫害之一。特别在我省天水地区为害较严重,是造成该地区苹果产量和品质下降的主要原因,被列为重点防治对象。用树下铺塑料布防治“桃小”效果很好。此法主要目的是阻止“桃小”的成虫出土后在树体上产卵和老熟幼虫脱果后进入土壤作茧越冬,以减少初侵染源。具体方法是:在“桃小”
Peach mungbean pest (hereinafter referred to as “peach”) is a Lepidoptera moth pests, the main pests damage, apple, pear, jujube, is one of the major pests in our province fruit trees. Especially in the Tianshui area of our province more serious damage is caused by the decline in yield and quality of apple in the region the main reason is listed as a key object of prevention and treatment. Shop under the tree with plastic sheet control “peach small” good effect. The main purpose of this method is to prevent the peach “small adults from spawning on the tree after they are unearthed and enter the soil for cocoon overwintering after they are detached to reduce the source of primary infection. The specific method is: in the ”small peach"