2、价ThepresentsituationassessmentconcerningthemaincultivarsofcuredtobaccoinChinaAbstract: The vast expanse of our land achieves a tobacco-growing power. Among Many species of tobacco planted in china, cured tobacco, burley tobacco, sun-cured tobacco and aroma
3、tic tobacco predominate. Thereinto cured tobacco has got the largest production accounting for 80% of the total output of tabacco. Although China has selected 40 species of cured tobacco through introduction, from the current situation of species distribut
4、ion, domestic production of cured tobacco is still based on a few species . According to the statistics, K326, Yunyan 85, 87 and Hongda ,the four big cured tobacco species accounts for the majority of the total cultivated area of cured tobacco in china, h
5、ighlighting the phenomenon of a single species.Keyword：tobacooMainCultivarscurrentsituationassessment-8-共8页前言：烤烟是我国重要的经济作物之一，经过“七五”至“十一五”的发展，烤烟生产为我国经济发展做出了巨大的贡献。当前，全国已审定通过的烤烟品种超过50余个，虽然可供烟叶生产选择种植的品种有很多，但在烤烟生产上大面积推广种植的品种却不到10个。2007年在全国烟区种植面积超过3．33万hm的烤烟品种主要
