烤烟新品种湘烟4号的选育及其特征特性

Breeding and Selection of a New Flue-cured Tobacco Variety Xiangyan 4 and its Characteristics

摘要: 湘烟4号(原CY9506)亲本为(中烟90×云烟315)×G80, 杂交后经系谱法选择育成, 2010年11月通过全国烟草品种审定委员会审定。该品种遗传性状稳定, 群体整齐一致, 分层落黄明显, 耐成熟, 易烘烤。该品种抗黑胫病, 中抗青枯病、赤星病、根结线虫病、CMV, 中感TMV, 感PVY, 适合我国东南烟区种植。与对照K326相比, 湘烟4号外观质量、化学成分和感官质量与K326相当, 抗病性、经济性状优于K326。

Abstract: Xiangyan 4 (previously CY9506), a new flue-cured tobacco variety was developed from the cross between (Zhongyan90×Yunyan315) (female parent) and G80 (male parent), passed the evaluation of National Tobacco Variety Evaluation Committee in November, 2010. The variety had stable genetic character, reasonable group structure. The leaves yellowed and ripened well and easily, and were easy to cure. Xiangyan4 was resistant to black shank, moderately resistant to bacterial wilt, brown spot, root-knot and CMV, yet moderately susceptible to TMV, susceptible to PVY. The variety was adapted to southeast China tobacco growing regions. The appearance quality, chemical components and sensory evaluation of Xiangyan4 were similar to the control variety K326. The induced diseases occurrence and economic properties were evidently superior to that of K326.