美引烤烟新品种适应性比较试验

为筛选出适合施甸县种植的烤烟新品种,对美引7个烤烟新品种的打顶后主要农艺性状、病害指数、烤后烟外观质量和主要经济性状与主栽品种云烟87进行了比较分析。结果表明,与云烟87相比,NCYATAS19和NCYATAS29的株高、叶片数、茎围、最大叶面积、产量、产值、均价、上等烟比例、单叶重、级指和产指都较高,黑胫病、赤星病、气候性斑点病的病害指数较低,烤后烟叶外观质量较好,但2个品种的节距较小、TMV的病情指数较高;NCYATAS28品种表现中等。

The Comprative Test of the Suitability of New Flue-curedTobacco Varieties Introducing from America

In order to screen flue-cured tobacco new varieties which adapted to plant in Shidian flue-cured tobacco growing areas, the main agronomic traits, disease index, appearance quality and economic characters of seven varieties introducing from America and the leading variety Yunyan 87 were studied by analyzed comparatively through the field trials. The results showed that than the variety Yunyan87, the height, blades number, stem girth, maximum leaf area, output, output value, average price, proportion of superior tobacco, single leaf weight, grade index and yield index of the NCYATAS19 and NCYATAS29 were higher. The disease index of Black shank disease, Brown spot and Climate speck were lower, and the appearance quality of roast tobacco leaf was better.But the pitch of NCYATAS19 and NCYATAS29 were smaller, and the disease of TMV were higer. The variety NCYATAS28 performed in medium level.