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通过调查明确了宜宾烤烟上常见病害18种,其中真菌病害8种,细菌病害2种,病毒病4种,线虫病3种,非侵染性病害1种。在烤烟不同生育期都有不同病害为害。猝倒病等苗期病害造成缺苗,黑胫病等土传根茎类病害易形成毁灭性损害,烟草普通花叶病毒病等分布广、发生普遍,炭疽病等叶部病害影响烟叶产量和品质。为此,提出了以农业防治为基础,综合运用各种防治措施,发展环境友好型的“绿色”烟叶生产的综合治理对策。
Through investigation, 18 kinds of common diseases on tobacco in Yibin were identified, including 8 fungal diseases, 2 bacterial diseases, 4 viral diseases, 3 nematode diseases and 1 non-invasive disease. In the different growth stages of flue-cured tobacco have different diseases. Damping off disease and other seedling diseases caused by lack of seedlings, black shank and other soil-root tuberous diseases prone to devastating damage, such as tobacco mosaic disease widespread, widespread, anthracnose and other leaf diseases affect the yield and quality of tobacco . To this end, we put forward a comprehensive management countermeasure based on agricultural prevention and control, comprehensively using various control measures and developing environmentally friendly “green” tobacco leaf production.