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番茄为京津地区主栽蔬菜之一,种植面积很大。因其营养丰富,价格便宜,即可鲜食,又可贮藏加工,深受广大群众的欢迎。但近年来,番茄病毒病日趋严重,特别是夏播番茄,有的年份受病毒病危害后几乎绝收。天津农科院植保所1982年6月初定植的番茄发病株率100％,症状主要为蕨叶和花叶,病株果实已失去商品价值。近来,春播番茄病毒病也有发展的趋势。1983年田间调查,天津市南郊区灰堆大队二小队有一地块,花
Tomato is one of the main vegetables in Beijing and Tianjin planting area is very large. Because of its nutrient-rich, cheap, you can eat fresh, but also storage processing, welcomed by the masses. However, in recent years, tomato virus disease is more serious, especially in summer sowing tomato, and some years after the virus disease endangered almost absolutely. Plant protection of Tianjin Academy of Agricultural Sciences in early June 1982 tomato plant disease incidence rate of 100%, the main symptoms of fern leaves and mosaic, diseased plant fruit has lost its value. Recently, spring sowing tomato virus disease also has the tendency of development. Field survey in 1983, the southern suburb of Tianjin ash pile two teams have a plot, flowers