摘要
研究结果表明：亩栽１２１２株的密度是烤烟优质适产的最佳群体结构指标，在该密度下其个体生长良好，根系发达，两个品种的单株叶面积分别为２．３７和１．８ｍ￣２／株，比对照增加３％；现蕾期的叶面积系数分别为２．５和３．３、成熟期为３．２和３．４；单叶重分别为９．６ｇ和９．１ｇ；亩产达１７３．３ｋｇ，均达到优质适产的各项生理指标。烟叶品质的主要成分，总糖为２０．１８％，还原糖为１５．２２％，全氮为１．５６％，施木克值２．０７％，均符合优质烟的标准。
By this study the main results were as follow,The optimum population den-sity was 18180 plant/ha under good quality and yield of flue-cured tobacco. Under the de-sity ,the plant grew rigourously the root developed well.The plant leaf areas in two breedswere 2.37 and 1. 8m￣2/plant. During bud period,the leaf index of the breeds were 2.5 and3.5 and during mature period were 3.2 and 3.4 leaf weight were 9.6g and 9.1g.
基金
内蒙古自然科学基金
关键词
烤烟
群体结构
产量
烟草
质量
Flue-cured tobacco,Population structure,Yield
