J Integr Plant Biol. ›› 1992, Vol. 34 ›› Issue (10): -.

• Research Articles •    

Isozymic Studies on the Wheatgrass Genomes in Wheat-Wheatgrass Octoploids

Gao Ming-jun, Hao Shui,He Meng-yuan and Bu Xiu-ling   

Abstract: Zymogram phenotypes of coleoptile, root and leaf esterases (ESTC, ESTR and ESTL); root acid (ACPH) and alkaline (ALK) phosphatase in wheats (Triticum) with A,D,AG,AB and ABD genome constitutions, wheatgrass (Elytrigia intermedia )and the two types of wheat- wheatgrass octoploids were analyzed, h was found that the wheatgrass chromosomes in one of the three genomes, which are, to a certain extent, homologous to the chromosomes of G geno- me could be carried by type Ⅰ wheat-wheatgrass octoploid(i.e. Zhong 2), and the wheatgrass chromosomes in another genome, which are, to a greater extent, homologous to the chromosomes in A genome might be carried by type Ⅱ wheat-wheatgrass octoploids (termed Zhong 3,4 and 5).

Key words: Wheat-wheatgrass octoploids, Isozymes, Genome

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