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近几年来，柑桔黑刺粉虱在荣县部分柑桔园危害十分猖獗，受害严重的柑桔树抽不出春梢，不开花，丧失结果能力。笔者经过几年的观察试验，基本掌握了其发生规律与防治方法。１发生规律主要以幼、若虫群集叶片背面吸食汁液，排泄蜜露，诱发煤烟病，使柑桔叶片、枝条和果实表...
In recent years, Citrus blackthorn whitefly in Rongxian part of the citrus orchard is very rampant, severely damaged citrus trees can not pump spring shoots, not flowering, the ability to lose the result. After several years of observation, the author basically mastered the law of its occurrence and prevention. 1 occurs mainly in the law of young, nymphs cluster back of the leaves to drink juice, excretion honey dew, induced soot disease, citrus leaves, branches and fruit table.