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《Guizhou Agricultural Sciences》 2018-02
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Variation in Sugar Content of Flue-cured Tobacco in Three Main Flue-cured Tobacco-growing Areas of Zhaotong City,Yunnan

WANG Ting;JI Zeshun;YU Fengtang;LUO Yigui;ZHOU Bigui;SHI Jian;HUANG Yunzhi;College of Tobacco Sciences,Yunnan Agricultural University;Zhaotong Cigarette Factory,Hongta Tobacco (Group)Co.Ltd.;  
The sugar content(total sugar,reducing sugar and TS/RS difference)of different parts of K326 cultivated in three main flue-cured tobacco-growing areas(Shaoyang,Yiliang and Zhexiong)during 2011—2015 was determined to provide the theoretical basis for preferential distribution and sustainable production of quality flue-cured tobacco in Zhaotong City.Results:The total sugar and reducing sugar content of K326 cultivated in Shaoyang and Zhenxiong areas shows a rising trend and the total sugar and reducing sugar content of K326 cultivated in Yiliang area presents a W-type trend.The TS/RS difference of K326 in three flue-cured tobacco-growing areas declines sharply during 2011—2012 and shows a first declining and then rising trend or first rising and then declining trend after 2013.The sugar content of the middle tobacco leaves from three flue-cured tobacco-growing areas is the highest and the sugar content of the upper and bottom tobacco leaves is different due to different flue-cured tobacco-growing areas and years.The sugar content of the middle tobacco leaves is the highest in three flue-cured tobacco-growing areas during 2011—2015,followed by the upper tobacco leaves and the bottom tobacco leaves.The sugar content of different parts reduces with latitudinal increase under the similar elevation.In conclusion,the total sugar and reducing sugar content of K326 cultivated in three flue-cured tobacco-growing areas of Zhaotong City is slight low but its TS/RS difference is suitable.
【Fund】: 云南中烟工业有限责任公司红塔烟草(集团)有限责任公司科技计划项目(2016YL02)
【CateGory Index】: S572
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