清远烟区不同烤烟品种引进与综合质量评价OA

In order to identify suitable flue-cured tobacco varieties for cultivation in the Qingyuan tobacco growing area,a study was conducted using the local variety Yueyan 97 as the control.Seven introduced flue-cured tobacco varieties,namely NX212,Nakagawa 208,Xiangyan 7,Yueyan 1,Zhongyan Texiang 301,Cuibi 1,and Yunyan 116 were analyzed and compared in terms of disease inci-dence,agronomic traits,single leaf weight,economic traits,chemical composition,sensory quality,and appearance quality at maturity.The quality of these varieties was evaluated using a fuzzy evaluation method.The results indicated that Yunyan 116 exhibited well-coordinated chemical components,better disease resistance than Yueyan 97,and superior appearance and sensory quality.While the yield and effective leaf number of Yunyan 116 were not outstanding,its yield value was better than that of Yueyan 97,ranking first in premium tobacco proportion and average price,showcasing excellent overall performance.Following closely was Yueyan 1,which dis-played harmonious chemical composition,higher appearance quality,yield,and output value.Its high-grade tobacco rate significantly surpassed that of Yueyan 97,with sensory quality performance equivalent to Yueyan 97.In conclusion,Yunyan 116 and Yueyan 1 outperforme Yueyan 97,making them viable backup flue-cured tobacco varieties for the Qingyuan tobacco growing area.