Control experiments on needle cast of spruce was conducted by applying 75% of daconil solution and daconil fumigant,the result indicated that the use of 75% of daconil solution（600×solution of mildothane） and daconil fumigant 2 times had favorable effect,able to reach above 75%,2 times control was better than 1 time,and 2 times control effect by using 75% of daconil solution was better than that by using the daconil fumigant.%通过采用百菌清烟剂（15 kg.hm-2）及75%百菌清可湿性粉剂（15 kg.hm-2）对云杉落针病进行防治实验,结果表明：百菌清烟剂和75%百菌清可湿性粉剂防治两次,防治效果均可达到75%以上,防治两次效果明显好于防治一次,75%百菌清可湿性粉剂防治两次效果明显好于百菌清烟剂防治两次。
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