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原苏联对种子的需求为2000～2200吨,而储备仅有1200～1300吨。俄罗斯需要850吨,可只得到大约300吨。黄瓜种子的繁育播种在原苏联已超过了2万公顷,俄罗斯和乌克兰占85%,1986～1989年俄罗斯种子收成是0.37公担/公顷,1990～1991年基本没有改变。根据原苏联维洛夫植物栽培科学研究所免疫研究资料得知,导致露菌病发生的菌群构成不是单一的,存在着几种病原。露菌病出现的时间一般为每年的早期。如1991年,在乌克兰、阿斯特拉罕州、新西伯利亚、远东发现破
The former Soviet Union, the demand for seeds of 2000 ~ 2200 tons, while reserves of only 1200 ~ 1300 tons. Russia needs 850 tons and can only get about 300 tons. The cucumber seeds have been planted more than 20,000 hectares in the former Soviet Union, 85% in Russia and Ukraine, and 0.37 km / hectare in Russia between 1986 and 1989, with no change from 1990 to 1991. According to the information from the immunosuppressive research institute of the former Soviet Union Viruof Institute of Plant Culture, it is known that the composition of the flora that leads to the occurrence of albacteriosis is not single and that there are several pathogens. Germs are usually present at an early stage of the year. As of 1991, found in Ukraine, Astrakhan region, Novosibirsk, the Far East found broken