烤烟新品种湘烟5号在永州烟区的生产适应性研究

目的]开展烤烟新品种湘烟5号在永州烟区的大田生产示范试验,以期进一步推广运用该品种。方法]以云烟87为对照,从生育期、农艺性状、植物学性状、抗病性、烘烤特性、经济性状、原烟外观质量等方面对湘烟5号进行了评价。结果]湘烟5号的综合抗性较好,烘烤特性较好,原烟外观质量较好,其产量、产值、均价、上等烟比例和上中等烟比例分别较对照高3.06%、7.63%、4.34%、5.68%、1.00%,湘烟5号的综合经济指标明显高于云烟87。结论]湘烟5号具有较好的农业经济效能,具有较好的推广应用价值,建议2016年在永州烟区大面积推广。

Study on the Adaptability of New Flue-cured Tobacco Variety Xiangyan No.5 in Yongzhou Tobacco-growing Area

Objective] The field production demonstration experiment of new flue-cured tobacco variety Xiangyan No.5 was carried out in Yongzhou tobacco-growing area,so as to further promote the use of Xiangyan No.Method] With Yunyan 87 as the control,Xiangyan No.5 was evaluated from aspects of growth period,agronomic traits,botanical characters,disease resistance,baking properties,economic traits,appearance quality of raw tobacco.Result] The comprehensive resistance,baking property and appearance quality of Xiangyan No.5 were good,the yield,output value,mean price,proportion of superior tobacco and proportion of secondary tobacco increased 3.06％,7.63％,4.34％,5.68％,1.0％,respectively compared with control group.The comprehensive economic index of Xiangyan No.5 was significantly higher than that of Yunyan 87.Conclusion] Xiangyan No.5 has a good agricultural economy efficiency and higher application value,so it is recommended to be applied large scale in Yongzhou tobacco-growing area in 2016.