摘要
对宁夏中卫地区速生杨腐烂病的发生与防治进行调查和研究.结果表明:速生杨腐烂病发病高峰期在5—6月,发病率为47.1%,病情指数为28.4%;40%护树宝80倍液对腐烂病的防治效果最好,其防效高达75%以上;其次是死腐康(14%硫酸四氨络合铜水剂)原液、40%福美胂50倍液;物理措施以刮皮法和纵割法效果明显;药剂防治结合卫生伐、修剪病枝、清理林地防治效果更佳.
The occurrence characteristics and control techniques of poplar rot disease was studied at Zhongwei, Ningxia. The Investigation and research result showed that the peak occurrence of poplar rot disease was present from May to June, and the occurrence percentage of the disease was 47. 1% while the disease index of 28. 4%. The controlling effect to the rot disease of eighty times solution of 40% Hushubao was the best which reached to 75%, and the effect of Cuamionsulfate and fifty times of 40% Asomate solution were second best. It was showed that the effect would be much better if using the fungi pesticide to control the poplar rot disease combined with other practices such as scraping bark rule, pruning disease branches, clearing up the forest land.
出处
《农业科学研究》
2008年第4期52-54,共3页
Journal of Agricultural Sciences
关键词
速生杨腐烂病
发生
防治
poplar rot disease
occurrence characteristics
control techniques
