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苹果黑星病是中朝两国植物检疫协定所列对象之一。据资料记载,苹果黑星病最早于一八一九年在瑞典首次发现,一八三三年传入法国,以后陆续传入美国、英国、澳大利亚等世界很多国家。一九七○年朝鲜民主主义人民共和国在首都平壤果树农场的苗圃里发现大苹果黑星病,现已扩展蔓延到渔朗郡,明涧郡和清津市。此病在朝鲜危害严重,一般果实被害率在百分之十左右,重的可达百分之五十,个
Apple scab is one of the targets listed in the phytosanitary agreement between China and the DPRK. According to records, Apple scythes first discovered in Sweden in 1819 and was introduced to France in 1833, and subsequently spread to many countries in the world such as the United States, Britain and Australia. In 1970, the Democratic People’s Republic of Korea found the big apple scab in the nurseries of the fruit tree farm in the capital Pyongyang. It has now spread to Yorong County, Mingjian County and Qingjin City. The disease is devastating in North Korea, where the general rate of fruit damage is about 10% and the weight is up to 50%.