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西红柿病毒病在我国南北各地均严重发生,轻者发病率30%左右,严重时发病率达70—80%,甚至使整个地区绝收,成为西红柿的癌症。中国农科院张格成在四川省沪州市胡市镇种菜大户刘亚平的西红柿地进行了用天然芸薹素防治病毒病试验。防治前该地病株率达100%,开花很少,只有少数几个果也很小,面临绝收的境地。用0.15%天然芸薹素7500—1000倍
Tomato virus disease in our country are serious all over the north and south, the incidence of light is about 30%, the incidence of severe 70-80%, and even the entire region never accept, become a tomato cancer. Chinese Academy of Agricultural Sciences Zhangge Cheng in Hu Town, Huzhou City, Sichuan Province, Liu Yaping large tomatoes to carry out the natural prevention and treatment of viral diseases with Brassica. Before the control of the disease rate of 100% of the area, flowering is very small, only a few fruit is also very small, facing the absolute failure of the situation. With 0.15% natural Brassin 7500-1000 times