有酚与低酚陆地棉亲本配制的种间三元杂种腺体遗传性状研究

Studies on the Gland and Other Morphological Characters of theTriple Hybrids Derived from G. arboreum,G.bickii and the DifferentTypes of G. hirsutum.

本研究对（亚洲棉Ｘ比克氏棉）Ｘ陆地棉种间三元杂种植株和花器形态特性、腺体表现和棉酚含量进行了比较和研究。结果表明，用有酚棉和低酚棉作陆地棉亲本配制的不同类型的种间三元杂种在植株和花器形态性状上无显著差异；但在各器官和组织上的腺体表现和棉酚含量有明显的差异。用低酚棉配制的三元杂种完全表现有比克氏棉子叶腺体延缓发生性状；而用有酚棉配制的三元杂种在种子上尚有少量腺体，但包括花器在内的其它器官和组织均为有腺体类型，腺体密度和大小与一般有酚棉相同。此外，本文对比克氏棉子叶腺体延缓发生性状的遗传和腺体与棉酚含量的关系等问题进行了讨论。

The plant and flower characters,gland expressions and gossypol contents of the triple hybrids derived from G.arboreulm,G. bickii and different types of G. hirsutum werecompared and studied.The results shown that there were no significant different between the triple hybrids derived from the different types of upland cotton on the plant and flower charac-ters,while the gland expressions and gossypol contents were different greatly in the different types of the triple hybrids. The triple hybrid derived from the glandless cotton of G. hirsutum had the glandless seeds-glanded plant trait of G. bickii completely,and the plants of the triple hybrid produced by crossing with glanded upland cotton,on the other hand, were the typical glanded one,although there were still a few glands in the seeds of the trile hybrid.In addi-tion,the heritability of the glandless seeds-glanded plant trait of G. bickii and the relationship between the density and size of glands and gossypol contents in the plant of cotton were dis-cussed in this paper as well.