烤烟新品种贵烟2号的选育及特征特性

Breeding and characteristics of new flue-cured tobacco variety Guiyan2

烤烟新品种贵烟2号是从K326中获得的优良变异单株,经系统选育而成,2017年通过全国烟草品种审定委员会审定。该品种遗传性状稳定,田间长势较强,易烘烤;中抗黑胫病、TMV,赤星病抗性优于对照K326;主要经济性状、外观质量、感官质量优于对照K326,是一个工业利用价值和农业生产效益兼顾的优良新品种。

Guiyan2,a newly breed flue-cured tobacco variety,was developed by systematic selection from a mutant of K326,and was approved by National Tobacco Variety Approval Committee in 2017.Its genetic traits were stable and grew vigorously in fi eld.Guiyan2 had good adaptability and was easy for flue-curing.Guiyan2 was moderately resistant to black shank and TMV,and its resistance to brown spot disease was better than that of K326,the control variety.Its main economic traits,visual and sensory quality were also superior to K326.Guiyan2 was proved to be a new improved variety,which boasted both industrial application value and agricultural effi ciency.