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冬、春保护地番茄是调剂北京冬春季市场的重要蔬菜品种之一。但是,由于保护地复种指数较高,重茬多,毒源广,缺乏高抗品种,栽培管理技术跟不上,病毒病几乎每年都有发生,并且有日益加重的趋势。 引起冬春季保护地番茄病毒病的毒原,经鉴定,主要是烟草花叶病毒(TMV)。目前对付这种病毒的基本手段,是利用与提高番茄的抗病性。其一,是选用抗病毒品种,即利用品种的遗传抗性;其二,是应用弱毒
Tomato protection in winter and spring is one of the important vegetable varieties to adjust the winter market in Beijing. However, due to the high multiplication index of protected areas, heavy stubble, wide source of poison and lack of high resistant varieties, cultivation and management techniques can not keep up. The virus disease occurs with increasing tendency every year. Toxins that cause tomato virus disease in winter and spring have been identified, mainly tobacco mosaic virus (TMV). At present, the basic means to deal with this virus is to use and improve the disease resistance of tomatoes. First, the selection of anti-virus species, that is, the use of varieties of genetic resistance; Second, the application of attenuated