| 词汇 | tobacco-mosaic-virus |
| 释义 | tobacco mosaic virus noun[ C or U ] agriculture specializeduk /təˌbæk.əʊ məʊˈzeɪ.ɪk ˌvaɪ.rəs/ us /təˌbæk.oʊ moʊˈzeɪ.ɪk ˌvaɪ.rəs/ a virus that causes disease in tobacco and related plants: 烟草花叶病毒 Tobacco mosaic virus used to be a big problem for tobacco farmers. 烟草花叶病毒曾经是困扰烟农的一大难题。 Tobacco mosaic virus is a common disease of tomatoes. On occasion, tobacco mosaic viruses can disrupt established plants. By the late 1930s, Bawden and Pirie had shown that the essence of the tobacco mosaic virus is a nucleic acid (RNA), not a protein or protein complex as formerly believed. Genes of tobacco mosaic virus were inserted into onion cells, which some days later began to produce tobacco mosaic virus proteins. Plant pathology anthracnose antifungal apple scab ash dieback auxin canker downy mildew dry rot Dutch elm disease etiolated excrescence fungicidal leaf rust leaf scorch leaf spot nodal organophosphate pesticide scald sterility |
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