重庆山地特色烤烟新品种筛选?

为筛选具有重庆山地特色的烤烟新品种，在重庆12个烟区设立试验点，以目前重庆种植面积较大的烤烟品种‘云烟87’和‘K326’为对照，对新引进的‘贵烟4号’、‘南江3号’、‘韭菜坪2号’、‘中烟103’、‘云烟202’等5个烤烟新品种进行比较鉴定。结果表明，‘南江3号’叶片数较多，单位面积产量、产值、上中等烟率均居参试品种首位，化学品质较协调，但叶脉较粗；‘贵烟4号’的单产和产值分别居第2位和第3位，化学品质协调性较好。建议‘南江3号’和‘贵烟4号’作为搭配品种在重庆适度种植。

Screening of New Flue-cured Tobacco Varieties with Mountainous Characteristics in Chongqing

In order to select new flue-cured tobacco varieties with mountainous characteristic in Chongqing,a comparative trail of five new introduced varieties,including of＇Guiyan 4＇,＇Nanjiang 3＇,＇Jiucaiping 2＇,＇Zhongyan 103＇,＇Yunyan 202＇,had been conducted at twelve tobacco-planting areas in Chongqing,using ＇Yunyan 87＇and＇K326＇,the main tobacco plant varieties in Chongqing,as controls.The results showed that ＇Nanjiang 3＇had more leaves number and ranked first in terms of tobacco leaf yield,production value,average price and proportion of fine quality tobacco leaves,and the chemical components of＇Nanjiang 3＇were harmonious,but the veins of＇Nanjiang 3＇were a little coarse.Another variety＇Guiyan 4＇ranked second and third in tobacco leaf yield and production value,respectively,and its chemical composition was harmonious.It is suggested that＇Nanjiang 3＇and＇Guiyan 4＇can be used as collocation varieties in Chongqing.