论文部分内容阅读
1981—1988年,在进行吉林省人参病害调查中,发现两种国内未见报道的病害: 一、人参灰霉病 1984年4月在浑北河口参场4年生的参地发现,参根发病率为21%。1986年又在浑江六阳岔参场的5年生参地中查到,发病率高达30%。严重发病参床的参根全部腐烂。国外报道该病主要为害人参的茎和叶部,根据作者等田间调查,认为主要是侵染地下的参根。发病初期在参根的芽胞上出现褐色斑
In 1981-1988, during the investigation of ginseng diseases in Jilin Province, two kinds of diseases that were not reported in China were found: I. Ginseng Botrytis cinerea In April 1984, in Gansu estuary 4-year-old ginseng, The rate is 21%. In 1986, it was found in the 5-year-old ginseng in Lianyuan Village of Hunjiang River that the incidence rate was as high as 30%. Serious incidence of ginseng roots all decay. Foreign reports of the disease mainly ginseng stems and leaves, according to the author and other field surveys, mainly that is infected with underground ginseng root. Early onset of ginseng root spores appear brown spots