对烟草花叶病毒（TMV）侵染、宁南霉素钝化处理的烟草叶片进行了叶片全蛋白多肽组分、类囊体膜蛋白组成的分析。

The total protein composition and the thylakoid membranes polypeptide composition of tobacco leaves infected by tobacco mosaic virus (TMV) or treated with Ningnanmycin were studied.

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用植物源抗病毒制剂VA与烟草花叶病毒（TMV）混合，经枯斑半叶法接种，结果证明，VA对TMV有较强的体外钝化作用，体外钝化后的枯斑抑制率为80 .0 % ；

VA , a anti viral agent from plants, could inactivate TMV in vitro , when it was mixed with TMV and inoculated by means of half leaf. The inhibition rate of necrotic local lesions was 80.0%.

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