贵烟2号在黔西南烟区的适应性

为了鉴定和检验烤烟新品系贵烟2号在黔西南州生态条件下对土壤、栽培、烘烤条件的适应性和在生产上的利用价值，以主栽品种云烟97为对照，按当地特色优质烟叶生产操作规范，进行大区对比示范试验。结果表明：贵烟2号大田生育期适中，田间生长力强，整齐度好，农艺性状表现好；在产量、产值、上等烟率方面分别较云烟97高349.2 kg／hm^2、4746.3元／hm^2、6％，均价和级指分别比云烟97低1.13元／kg 和0.06。贵烟2号内在化学成分含量适宜、比例协调，烘烤特性较好，在当地具有较好的推广潜力。

Adaptability Evaluation of Guiyan 2 in Southwestern Guizhou Tobacco -growing Areas

In order to identify and examine the adaptability and the utility value of new flue -cured tobacco cultivar of Guiyan 2,a comparative trail with the main varieties Yunyan 97 as control （CK）was made.The results showed that the agronomic traits of Guiyan 2 was good,and the yield,production value,high class leaf proportion of Guiyan 2 were respec-tively higher than those of CK by 349.2 kg/hm^2 ,4746.3 yuan/hm^2 ,6 percent,while the average price,grade index were respectively lower than those of CK by 1.13 yuan/kg and 0.06.The new flue -cured tobacco cultivar of Guiyan 2 adapted to the local climate conditions.The result indicated that Guiyan 2 had a better potential of promotion in the local.