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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。
XiangYan No.4 (formerly CY9506) was (Zhongyan90 × Yunyan315) × G80. After hybridization, it was bred by pedigree selection and passed the certification of the National Tobacco Variety Approval Committee in November 2010. The variety of genetic traits stable, neat and consistent groups, layered yellow obvious yellow, resistant to mature, easy to bake. The variety anti-black shank disease, resistance to bacterial wilt, brown spot disease, root-knot nematode disease, CMV, in the sense of TMV, sense of PVY, suitable for planting in southeastern China. Compared with the control K326, the quality, chemical composition and sensory quality of Xiangyan No.4 were similar to that of K326, and the disease resistance and economic traits were better than K326.