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国内少见的白术根蚜,1992年在新昌县发现后,危害程度日趋严重,危害面积逐年增加。1996年6月底在新昌县白术主产区儒岙、回山等乡(镇)已有500余亩术地发生,其中有200多亩虫害株率达20%左右,个别地块超过40%。根蚜虫体很小,体长1.5毫米左右,有乳白、米黄等色,主要分布在耕层5~15厘米处。其危害方式是群集在根茎及根系刺吸汁液,危害较轻时,叶色褪绿变黄,嫩梢嫩叶在中午强烈阳光下发生萎蔫弯垂,在雨天或夜间雨露滋润下,能恢复鲜活;危害严重时,致使术根发黑变枯,根茎干缩变软,术叶变黄早落,受害茎叶
Domestic rare Atractylodes root aphid, found in Xinchang County in 1992, the more serious the extent of the damage, hazardous area increased year by year. By the end of June 1996, more than 500 mu of land had been set up in the main producing areas of Atractylodes macrocephala such as Shuihu and Huiqian in Xinchang County. Among them, more than 200 mu of pests were found in about 20% of the plots and more than 40% in some plots. Root aphid body is very small, about 1.5 mm body length, with milky white, beige and other colors, mainly in the topsoil 5 to 15 cm. Harmful way is the cluster in the rhizomes and roots sucking juice, less harmful, the leaf color faded yellow, tender shoots in the strong sun at noon wilting bent, rain or nourishing under the rain, can restore fresh Live; serious endangerment, resulting in blackening of the root surgery becomes corny, dry shrinkage of the soft rhizome, leaves fall yellow, fall victim to stems and leaves