Chromosomal location of yellow rust resistance gene(s) in Triticum aestivum Lophopyrum elongatum substitution lines

被引：1

作者：

Ma, JX ^{[1
]}

Zhou, RH ^{[1
]}

Dong, YC ^{[1
]}

Jia, JZ ^{[1
]}

机构：

[1] Chinese Acad Agr Sci, Inst Crop Germplasm Resources, Beijing 100081, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 1999年 / 44卷 / 04期

关键词：

Triticum aestivum Lophopyrum elongatum; substitution lines; yellow rust resistance; gene location; biochemical marker;

D O I：

10.1007/BF02885488

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

A set of T. aestivum-L. elongatum substitution lines were studied on yellow rust resistance at seedling stage, inheritance of the resistance and esterase-5 (Est5) analysis. The results demonstrated that L. elongatlen carried a new yellow rust resistance gene(s), which was dominant and located on chromosome 3E of L. elongatum. The biochemical locus encoding Est-5 was also located on chromosome 3E, and was tentatively named Est-E5, which was co-segregant with the Yr gene(s) in wheat background. In addition, the transmission frequencies of chromosome 3E in 3A/3E and 3D/3E hybrids selfing were significantly higher than that of chromosome 3E in 3B/3E hybrid, which was probably due to the difference on genetic relationships among A, B, D and E genomes.

引用

页码：344 / 348

页数：5

共 12 条

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