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华山松疱锈病(Cronartium sp.)在陕西省的留坝、南郑、宁陕、洛南、太白、户县及甘肃省的兴隆山林区和武都县均有分布,是危害华山松枝干部的毁灭性病害,也是世界性林木病害之一。在国内仅见到红松和樟子松疱锈病的研究报道,关于华山松疱锈病尚未见正式的研究资料和文献。1982年以来,我们在秦岭南坡火地塘林区对该病进行了调查研究。由调查得知,华山松疱锈病在该林区平均发病率为13.1％,感病指数为7.5,并有逐年发展的趋势,严重威胁着华山
Cronartium sp. Is distributed in the southern part of Loam, Nanzheng, Ningshan, Luonan, Taibai and Huxian in Shaanxi Province and Xinglongshan Forest District and Wudu County in Gansu Province, which are harmful to the cadres of Huashan pine Destructive diseases, but also one of the world’s forest diseases. In the country only to see pine and Pinus sylvestris rust blister research reports, on the huashan pine blister rust yet to see formal research information and literature. Since 1982, we investigated the disease in the Huoditang Forest Zone on the southern slope of the Qinling Mountains. According to the survey, the average incidence of Pinus armandii rust in this forest area was 13.1% with a susceptibility index of 7.5 and a trend of year-by-year development, which seriously threatened Huashan