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自1986年6月下旬至10月末,我们考察了柑桔主产区具有代表性的县、市,即兴义、罗甸、望谟、惠水、贵阳、平坝、遵义、仁怀、习水,赤水和榕江,并对毕节县作了初步了解,以及1985年调查的台江县,先后共调查13个县、市。现简报如下: 一、调查方法 以田间调查和座谈访问相结合的方式,根据各种柑桔主要害虫的发生和为害特点,在果园选择有代表性的植株、叶片和果实,突出重点,有区别的进行调查,计算柑桔受害株率、叶片受害率和严重率、有虫叶片率、叶片虫数、果实受害率、虫果率、果虫数和单株落地果数等项目,个别特殊的,直接记述。 二、调查结果 查明了贵州省柑桔主要害虫有:柑桔潜叶蛾、矢尖蚧、柑桔红蜘蛛、柑桔锈壁虱和大实绳等。为害局部严重的有天牛,柑桔吉丁虫(爆皮虫)、柑桔瘤壁虱、红蜡蚧、吹绵蚧、柑桔花蕾蛆和凤蝶等。现将各种柑桔主要害虫为害情况分述如下:
From the end of June 1986 to the end of October 1986, we surveyed the representative counties and cities of the main citrus producing areas, ie, Xingyi, Luodian, Wangmo, Huishui, Guiyang, Pingba, Zunyi, Renhuai, Xiushui , Chishui and Rongjiang, and made a preliminary understanding of Bijie County, as well as the 1985 survey of Taijiang County, a total of 13 counties and cities were investigated. Now briefings are as follows: First, the survey methods Field surveys and seminars visit a combination of ways, according to the occurrence of various citrus pests and pests characteristics, in the orchard to choose a representative plant, leaves and fruits, highlight the key difference Of the investigation, calculate citrus victim plant rate, the rate and severity of leaf damage, the rate of insect leaf, leaf number of insects, fruit damage rate, fruit rate, fruit number and the number of single fruit per plant, the individual special , Direct description. Second, the survey found that the main citrus pests in Guizhou Province are: citrus leaf moths, sagittae, citrus spider mite, citrus rust tick and Dashi strong rope. Harmful local serious aurora, citrus jelly worm (insects), citrus anemone ticks, red wax scale, blowing cotton Kuwana, citrus bud maggots and swallowtail and so on. Now the main pests of various citrus damage are described below: