摘要： 通过不同抗棉铃虫棉花新品种(品系)间及不同抗棉铃虫棉花新品种(品系)与不抗棉铃虫棉花新品种(品系)间的杂交组合配置,分析了不同类别抗棉铃虫杂交种与新棉99B的比较杂种优势。结果表明,杂交种在产量及产量构成因素中,霜前皮棉产量具有显著的杂种优势,霜前子棉产量次之,衣分、铃重、株高具有明显杂种优势,单株果枝数次之,子指不具优势,单株结铃数具有负优势。抗虫性、抗病性的杂种优势与杂交种类别有关。

关键词: 抗棉铃虫棉花, 杂交种, 优势, 利用, 类别

Abstract: Crosses were made between the new insect resistant varieties(lines) and the insect resistant variety(line) and the not insect resistant variety(line),to analyze heterosis in the different types of insect resistant hybrid cotton.The result showed that pro frost lint yield heterosis was high,it was higher than pro frost seed yield.The heterosis in lint percent,average weight per boll and plant height were obvious,they were more obvious than number of branch per plant.Seed index and number of boll per plant did not show heterosis.Insect resistance and disease resistance were different by hybrid types.

Key words: Insect resistant, Cotton, Hybrid, Heterosis, Utilization, Types

中图分类号: 

• S562.