我县位于牡丹江林区,属低山丘陵地带,黑木耳资源丰富,特别是自一九七二年推广人工栽培黑木耳以来,黑木耳生产发展很快。七九年我县黑木耳商品量达到十四万多斤,成为全国黑木耳基地县之一。一九八○年商品量达十九万多斤,居全省首位。但是、在黑木耳生产中,病虫害严重的影响木耳的产量和质量。据调查,黑木耳由于病 My county is located in the Mudanjiang forest area, is a hilly area, black fungus is rich in resources, especially since 1972 to promote artificial cultivation of black fungus, black fungus production has developed rapidly. In 1979, the county black fungus reached 140,000 kilos of goods, becoming one of the country’s black fungus base counties. In 1980, the volume of goods reached 190,000 kilos, ranking first in the province. However, in black fungus production, pests and diseases seriously affect the yield and quality of fungus. According to the survey, black fungus due to illness