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应用弱毒株保护,对烟草花叶病毒强毒株(TMV—L)侵染番茄形成花叶病,而获得免疫性的研究。国内外试验都取得一定效果。在付诸应用时,多用高压喷枪接种法。这种
The application of attenuated strain protection, the virulent strains of tobacco mosaic virus (TMV-L) infected tomato mosaic disease, and access to immunity. Tests at home and abroad have achieved some results. In the application of the multi-use high-pressure gun inoculation method. This