论文部分内容阅读
据报导。目前有五种葡萄孢菌(Bptr-ytis)对洋葱生产造成为害。我国除对灰葡萄孢菌(B.cinera)的报导较多之外,对其它几种仅有一些记载或尚未报导。葱腐葡萄孢菌(B.allii)被列入我国引进植物审批名单中,该菌是在贮藏期引起洋葱鳞茎腐烂的主要病菌。在英国、美国、德国、丹麦、法国、意大利、荷兰以及日本等洋葱主要生产国,早已引起人们的注意。现已研究清楚,洋葱颈腐病主要以种子传病,在进口种子或国内引种检验时,要注意与腐生葡萄孢菌的区别,以防新型病害的侵入和蔓延。
It is reported. Five Bptr-ytis are currently harmful to onion production. In addition to the more reports of B. cinera in our country, only a few records have been reported or have not been reported yet. B. onionii is included in our list of botanical approvals, which is the major causative agent of onion bulb rot during storage. In the United Kingdom, the United States, Germany, Denmark, France, Italy, the Netherlands and Japan, onion major producers, has long drawn people’s attention. It has been studied clearly, onion neck rot disease mainly to seed transmission disease, the introduction of imported seeds or in the country when the test, pay attention to the difference with the Botrytis saprophytic to prevent the invasion and spread of new diseases.