论文部分内容阅读
板栗是贵州省都匀市的重要果树,种植面积超过1 333.33 hm2。栗瘿蜂在都匀市各乡镇板栗种植区每年均有发生,面积约133.33 hm2,发生严重的年份,栗树受害率达90%,对该市的板栗生产造成了较重的危害。为此,对该市栗瘿蜂发生危害特点及发生规律进行了调查研究,并提出相应的防治对策,包括人工防治、物理防治、生物防治、农业防治和化学防治等措施,收到了较好的效果。
Chestnut is an important fruit tree in Duyun City, Guizhou Province, with an acreage of over 1 333.33 hm2. Castanopsis fargesa occurs annually in the chestnut growing areas of all townships in Duyun City, with an area of about 133.33 hm2. In serious years, the damage rate of chestnut trees reaches 90%, causing serious damage to the chestnut production in the city. To this end, the city chestnut wasps harm characteristics and occurrence of the law were investigated and put forward the corresponding prevention and control measures, including artificial control, physical control, biological control, agricultural control and chemical control measures, received a better effect.