The effects of Rht semi-dwarfing alleles on agronomic traits in Korean wheat cultivars

被引：2
作者：
Cho, Eun. Jin [1 ]
Kang, Chon-Sik [2 ]
Yoon, Young Mi [2 ]
Park, Chul Soo [3 ]
机构：
[1] Chonbuk Natl Univ, Dept Crop Sci & Biotechnol, Jeonju 561756, South Korea
[2] Chonbuk Natl Univ, Inst Agr Sci & Technol, Jeonju 561756, South Korea
[3] RDA, Natl Inst Crop Sci, Jeonju 560500, South Korea
来源：
INDIAN JOURNAL OF GENETICS AND PLANT BREEDING | 2016年 / 76卷 / 01期
关键词：
Wheat; semi-dwarf; allelic variation; agronomic traits; YIELD-RELATED TRAITS; DAY-LENGTH INSENSITIVITY; REDUCED HEIGHT GENES; WINTER-WHEAT; GRAIN-YIELD; DWARFING GENES; GENOMIC REGIONS; CHROMOSOME; 2D; COMPONENTS; QTL;
D O I：
10.5958/0975-6906.2016.00005.5
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The allelic variation at Rht-B1, Rht-D1 and RhtB loci of Korean wheat cultivars was determined to evaluate the relationship between agronomic traits and different Rht alleles. Korean wheat cultivars had high frequency of Rht-B1a (70.4%) and Rht-D1a (51.9%) alleles. Thirteen cultivars carried both Rht-B1a and Rht-D1b alleles but no cultivar carried both Rht-B1b and Rht-D1b alleles. Only two cultivars, Namhae and 01, showed 206bp fragment and whereas remaining genotypes showed 196bp at Rht8 loci. Cultivars carrying Rht-D1a and Rht8(196bp) alleles exhibited higher thousand kernel weight and test weight (40.2g and 809.9g, respectively) as compared to their counterpart alleles (36.6g and 788.1g, respectively). Cultivars carrying Rht-B1a and Rht-D1 a alleles showed lower number of kernels per spike than those with other alleles at Rht-B1 and Rht-D1 loci. Cultivars, Namhae and 01, carrying Rht8(206bp) allele showed lower test weight regardless the allelic compositions at Rht-B1 and Rht-D1 loci. Significant differences were recorded in culm and spike length regardless of allelic variation of these semi-dwarf genes.
引用
收藏
页码：31 / 39
页数：9
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