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柿疯病是河北、山西、河南太行山区柿树的严重病害。五十年代已有发生。近十余年日趋严重,每年约递增10%以上。河北涉县柿树发病率在75%左右,有的村几乎没有健株。1972年涉县有柿树250万株,每年产量达6千万斤。近年柿树已减少到60万株,产量只有600—900万斤,柿疯为害是一个主要因素。柿树罹病后生长异常,枝条直立陡长。春季发芽晚,秋季停止生长却较正常树早,冬季枯枝焦梢。结果少,
Persimmon mad disease is a serious disease of persimmon in Hebei, Shanxi, Henan Taihang mountains. The fifties have happened. More and more serious in the past ten years or so, increasing by about 10% each year. Persimmon disease in Shexian County, Hebei Province, about 75%, and some villages almost no healthy plants. Shexian Prefecture in 1972 there were 2.5 million persimmons, the annual output of 60 million kg. In recent years persimmon has been reduced to 600,000, the output is only 600-900 kg, persimmon damage is a major factor. Persimmon disease growth abnormalities, branches erect steep long. Sprouting in the spring late, but stopped growing in the early autumn than normal trees, dead branches in winter shoots. Few results,