安康烟区烤烟优良新品种(系)适应性筛选试验

为了筛选出适应安康烟区烟叶发育良好耐成熟的优质烤烟新品种(系),分别对云烟99、云烟105、6517、PVH19和K326共5个品种(系)的生育期性状、植物学性状、农艺性状、抗病性、原烟外观和经济性状进行分析。结果表明：与对照K326相比,云烟105现蕾早,生育期长,留叶数较多,抗病性强,原烟外观质量较好,单位面积产量为2134.5kg/hm2,单产值为39274.8元/hm2,上等烟率为39.07%,单叶重为8.4g,在参试品种中表现好；云烟99脚叶成熟较早,茎围最大,腰叶最大,抗病性强,原烟外观质量较好,单位面积产量为2058 kg/hm2,单产值为36838.5元/hm2,上等烟率为40.4%,在参试品种中表现好。建议云烟105和云烟99新品种可作为搭配品种在安康主烟区适度种植。

Adaptability Screening of New Excellent Tobacco Varieties (Lines) In Ankang Tobacco Growing Area

To screen excellent tobacco varieties (lines) with good development and resistance to maturity, and adapt to the environment in Ankang tobacco growing area, this article analyzed the growth period characters, botanical characters, agronomic characters, disease resistance, the appearance of flue- cured leaves and economic characters of five tobacco varieties(lines), which were‘Yunyan99’,‘Yunyan105’,‘6517’,‘PVH19’ and‘K326’. The results showed that, compared with the control‘K326’,‘Yunyan105’had better appearance among the tested varieties, flower bud appeared earlier, growth period was longer, had more remained leaves and stronger disease resistance, the appearance of flue-cured leaves was better, the yield per unit area was 2134.5 kg/hm2, the single output was 39274.8yuan/hm2, the high class leaf rate was 39.07%, the weight of single leaf was 8.4 g.‘Yunyan99’also had better appearance among the tested varieties, the sand leaf matured earlier, stem girth and lumbar leaf were the largest, had stronger disease resistance, the appearance of fluecured leaves was better, the yield per unit area was 2058 kg/hm2, the single output was 36838.5 yuan/hm2, the high class leaf rate was 40.4%. So‘Yunyan105’and‘Yunyan99’could be collocation varieties moderately planted in main Ankang tobacco growing area.