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试验表明，１０个新引美国烤烟品种的生育期与当前推广品种相同，具有较强的抗根茎病害能力，普通花叶病和赤星病等都很轻。亩产量均未超过对照品种Ｋ３２６，亩产值超过Ｋ３２６的品种有Ｋ３４６、Ｋ３５８、ＲＧ１１、ＲＧ１７。供试品种上等烟比例都高于Ｋ３２６。结果经方差分析，品种间亩产量、亩产值、上等烟比例等均无显著差异。原烟品质较好，经评吸，香吃味和Ｋ３２６相当或接近，有较好的使用价值。
Tests showed that the ten newly introduced varieties of American flue-cured tobacco had the same growth period as the current popularized varieties, strong resistance to rhizome disease, common mosaic disease and brown spot disease. Mu yield no more than the control variety K326, K346, K358, RG11, RG17. The highest proportion of tested varieties of tobacco were higher than K326. Results By ANOVA, there was no significant difference in the yield per mu, the output value per mu, the ratio of superior tobacco and so on. The quality of the original smoke better, by the assessment of smoking, fragrant taste and K326 quite or close, have better value.