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通过采用13%多·硫烟剂对云杉落针病进行防治试验,结果表明:13%多·硫烟剂防治云杉落针病的适宜用药量为15 kg/hm2,5月下旬至6月中下旬为防治最佳时机,防治2次最为理想,防治效果可达65%以上,并对人畜无害和云杉生态安全,可在林区大面积推广应用。
The results showed that the optimum dosage of 13% sulfur and sulfur smoke agent for control of Picea punctatum was 15 kg / hm2 in May and 6 in autumn Late mid-month for the prevention and control of the best time, the best prevention and control 2 times, prevention and control of up to 65% or more, and harmless to humans and animals and spruce ecological security, can be large-scale popularization and application in the forest.