摘要
通过对杂种一代在大田中生长情况的分析表明 ,其株高生长优势的表现具阶段性 ,叶片数的生长优势具有时间上的稳定性 。
The analysis of grew condition in field on first firial generation in flue cure tobaco showed that growth heterosis of plant height displayed phase character,growth heterosis of leaf numbers showed in stability above time,The choices on heterosis strength of plant height and of leaf numbers were uneffectual until the Second half of vigorous growth period.
关键词
烤烟
杂种一代
生长优势
株高
叶数
Flue cure tobacco
First firial generation
Growth heterosis.