12份烤烟品种资源的品质鉴定试验结果表明:各参试品种间株型、叶形、叶尖、叶面、叶缘、叶色、叶耳、叶片主脉粗细、叶片厚薄等植物学形态特征和打顶株高、茎围、节距、叶数、叶长、叶宽等主要农艺性状存在明显差异,充分表现了各种质的特征特性；各参试品种间产量、中等烟率和上等烟率差异达极显著水平.%The quality of 12 flue - cured tobacco germplasm resources in Guizhou province was identified, the results showed that: for these varieties, their botanic and morphological characteristics such as plant type, leaf shape, leaf tip, leaf margin, leaf color , leaf auricle, width of leaf main - vein and leaf thickness, and their agronomic traits such as topping height, stem thickness, pitch, leaf number, leaf length and leaf width, were significantly different each other. The qualitative characteristics of all flue - cured tobacco germplasni resources were exhibited fully in the test. There were extremely significant differences in yield, middle - class tobacco rate and first - class tobacco rate among the tested varieties.
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