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为筛选出防治青海云杉梢枯病(Setomelanomma holmii)的有效药剂,采用9种杀菌剂对该病害进行了田间防治试验,结果表明:70%甲基硫菌灵WP和70%乙磷铝·锰锌WP 0.2%药液、50%多菌灵WP和80%代森锰锌WP0.25%药液对云杉梢枯病有非常好的防治效果,在发病前施1次药,隔15d再施1次,防治效果分别达到95.94%、91.35%、92.2%和91.62%,可作为防治青海云杉梢枯病的有效药剂轮换使用。
In order to select effective agents for controlling Setomelanomma holmii in Qinghai, nine kinds of fungicides were used to control the disease. The results showed that 70% thiophanate-methyl and 70% Manganese and zinc WP 0.2% liquid, 50% Carbendazim WP and 80% Mancozeb WP 0.25% solution on spruce shoot blight has a very good control effect, before the onset of application of a drug, every 15d Apply again, the control effect of 95.94%, respectively, 91.35%, 92.2% and 91.62%, can be used as an effective agent for the prevention and treatment of Qinghai spruce shoot blight rotation use.