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夏秋季节是柑桔锈壁虱(乌番虫、赤绿)发生最为猖獗的时期,是当前影响柑桔生长,造成品质与产量下降的主要原因之一,各地柑桔区应特别注意检查虫情,抓紧防治。柑桔锈壁虱,每年在四月至十一月间发生,干旱季节尤为严重,夏秋受害最烈,对柑桔苗木、幼树、成年树、果实的品质和产量影响很大。成年树受害,不但引起幼果掉落,果皮变黑,还能造成冬季大量落叶,树势衰弱,影响第二年春梢生长,造成春梢短小,花果掉落。树经多年受害,最后枯死。
Summer and autumn is the most rampant period of citrus rust ticks (insects, red and green) occurs, is the current impact on citrus growth, resulting in the decline of quality and yield one of the main citrus regions should pay special attention to check the insects Pay close attention to prevention and treatment. Citrus rust tick occurs annually from April to November. It is particularly severe during the dry season and harms most in summer and autumn. It has a great impact on the quality and yield of citrus seedlings, saplings, adult trees and fruits. Adult tree victims, not only caused by the young fruit drop, darken the peel, but also cause a lot of winter leaves, the decline of trees, affecting the growth of spring shoots the second year, resulting in spring shoots short, flowers fall. The tree suffered many years, finally died.