湖州市位于杭嘉湖平原,雨量充沛,气候温暖,养蚕业发达。全区共有桑田20.6万亩,是我国主要蚕茧产区之一。但解放以前桑园衰芜,病虫为害严重,尤以桑蟥是广大蚕区历史性灾害。 桑蟥为害面积大,虫口密度高。解放后直至1962年前,蟥害仍很严重,五十年代的夏、秋蚕根本没法饲养。为了消灭蟥害,广大蚕农做了不懈的努力,1962—1977年全市桑蟥除个别几个偏僻小点以外,大面积上几乎看不到蟥虫为害。 Huzhou City is located in Hangzhou-Jiaxing-Huzhou Plain, with abundant rainfall, warm climate and sericulture developed. A total of 206,000 mu of mulberry fields in the region are one of the major cocoon producing areas in China. However, before the liberation of Mulberry decay, pests and diseases seriously, especially mulberry silkworm is a historic disaster. Mulberry damage area, insect population density. Until 1962 after the liberation, the harm was still very serious. In the fifties, the summer and autumn silkworms could not raise them at all. In order to eliminate harm, the majority of sericulturists made unremitting efforts, 1962-1977 except for a few isolated mulberry small outside the city, the large area almost can not see pinworm damage.