Agronomic characteristics and cytogenetic observation of the hybrid F-1 from Triticum aestivum and Aegilops triuncialis
文献类型: 外文期刊
第一作者: Kong, XY
作者: Kong, XY;Dong, YS;Zhou, RH;Jia, JZ
作者机构:
关键词: Triticum aestivum;Aegilops triuncialis;in situ hybridization
期刊名称:ACTA BOTANICA SINICA ( 影响因子:0.599; )
ISSN: 0577-7496
年卷期: 2000 年 42 卷 8 期
页码:
收录情况: SCI
摘要: In order to efficiently introduce the genes of Aegilops triuncialis L. for resistance to powdery mildew into Triticum aestivum L., it is of importance to understand the genetic mechanism of their F-1 hybrid. It was shown that the bivalent frequency was higher than that of the theoretical value. It resulted from the combination of the wheat inhibitors of 5B Ph gene which located respectively on C and U genome of Aegilops triuncialis L. The results of chromosome in situ hybridization with the C genome-specific repetitive sequence, pAeca212, as the probe further indicated that some chromosomes of the C genome of Ae. caudata L. paired with the chromosomes of the other genomes.
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