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茶小绿叶蝉为云南省茶树主要害虫之一,严重影响茶叶的品质和产量。从1973年以来,我们注意到在勐海、勐仑、思茅、临沧一带的茶树[Camellia sincnsis(L.)O.Kitze.]和大叶茶[C.sinensis f.macrophylla(Sieb.)Kitamura]的害虫茶小绿叶蝉虫体上寄生一种属于虫霉科(Entomoph-thoraceae)的真菌——圆子虫霉;该菌对小绿叶蝉有一定的抑制作用,现就初步观察、试验报道如下: 茶小绿叶蝉在云南省南部茶区全年发生,为害较严重;每年的高峰期是7月。圆子虫霉流行期是5—12月,高峰期也是7月。该茶区每年5月前旱季的春茶期,月平均相对湿度在75%以下,圆子虫霉很少发生;夏秋茶期,降雨多,湿度
Tea green leafhopper is one of the major pests of tea tree in Yunnan Province, seriously affecting the quality and yield of tea. Since 1973, we have noticed that Camellia sincnsis (L.) O.Kitze. And C. sinensis f.macrophylla (Sieb.) Kitamura in Menghai, Menglun, Simao, ] Of the pest tea green leaf cicada parasites of a belonging to the Entomoph-thoraceae (Entomoph-thoraceae) of fungi - Cercospora spp; the bacteria on the green leafhopper have some inhibitory effect, it is preliminary observations, the test reported as follows : Tea leafhopper occurred in southern Yunnan tea area throughout the year, more serious damage; annual peak is July. Roundworm mold prevalence is May-December, the peak is July. The tea season in May each year before the dry season of spring tea, the average monthly relative humidity below 75%, Cyclospora chlamydia rarely occurs; summer tea season, rainfall, humidity