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1 发生危害 茶叶白星病是我县高寒山区的一种重要茶叶病害,感染白星病的嫩芽及叶片制成的绿茶冲泡时呈铁腥臭味苦涩,群众称这种茶为“药茶”。过去不论国营、集体和农户茶园,均未引起重视而进行防治。随着商品经济的不断开拓和发展,名优茶的市场竞争日渐激烈,白星病的危害才逐渐被人们所认识。如1990年,我县一高山茶场,年产茶叶约2万kg,因白星病的危害,制成红茶1万多kg,产值仅4万多元,减少产值约10万多元,当年虽经过防治,但因20hm~2茶园病害普遍严重,防效甚微。
1 Occurrence of hazards Tea starches is my county alpine mountain area is an important tea disease, infected with white star disease buds and leaf made of green tea brewing was iron stench bitter, the masses called the tea “medicine tea.” In the past, neither State-owned enterprises nor collectives and farmers’ tea farms took any precautionary measures. With the continuous development and development of commodity economy, the market competition of famous tea is becoming increasingly fierce, and the harm caused by white star disease is gradually recognized by people. For example, in 1990, a tea plantation with an annual output of 20,000 hectares of tea was produced in I County. Due to the harm caused by the disease of the white star disease, more than 10,000 kg of black tea was produced, with an output value of only 40,000 yuan and an output value of about 100,000 yuan less. Control, but 20hm ~ 2 tea plantation disease is generally serious, with little effect.