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我省烟草病毒病种类,据1972年和1975年云南农业大学调查有9种:烟草花叶病、脉斑病和卷叶病等。我所自1973年起与云南农业大学协作,进行了烟草病毒病的研究。本文是该研究中有关烟草花叶病、脉斑病和卷叶病病原的初步鉴定,同时包括了烟草花叶病初侵染来源的试验。一、三种烟草病毒病病原的初步鉴定1.鉴定方法和经过:鉴别寄主幼苗的准备:事先将鉴别寄主的种子播在口径4寸的瓦钵中,需要移栽的则先种
Tobacco virus disease types in our province, according to 1972 and 1975, Yunnan Agricultural University investigated 9 species: tobacco mosaic disease, leaf spot disease and leaf curl disease. Since 1973, we have collaborated with Yunnan Agricultural University to study tobacco virus diseases. This article is a preliminary identification of the causative agents of tobacco mosaic disease, leaf spot and leaf curl in this study, as well as a trial of the origin of primary tobacco mosaic virus infection. First, the identification of three kinds of tobacco virus pathogen identification 1. Identification methods and after: Identification of the host seedling preparation: Prior to identify the host seed sowing caliber in 4-inch Vat bowl, the need for transplanting the first species