摘要
为了进一步开发野生二粒小麦遗传资源,丰富我国小麦改良的遗传基础,对来自以色列16个地区的133份野生二粒小麦醇溶蛋白位点的遗传多样性进行了分析,并对其与条锈病抗性和播种～抽穗天数的关系进行了分析。结果发现,供试的133份野生二粒小麦共有122种谱带类型,电泳共分离出77条不同的带纹;谱带在α、β、γ、ω四个区差异较大,分别为38、83、72和87种,表明野生二粒小麦的醇溶蛋白具有较丰富的遗传多样性。比较分析发现,野生二粒小麦醇溶蛋白的遗传多样性与材料的来源地有关;来源于同地区的材料间条锈病抗性及播种～抽穗天数均较为接近,而且条锈病抗性和播种～抽穗天数与醇溶蛋白的遗传距离均有一定关系。
To utilize the genetic resources of T.dicoccoides efficiently for wheat improvement, genetic diversity of gliadin and its relationship with resistance to stripe rust or days from sowing to heading were investigated in 133 genotypes in T.dicoccoides from Israel. In the tested materials, a total of 122 gliadin patterns were (obtained). 77 gliadin bands were different each other. Variation among α, β, γ and ω zones, which had 38, 83, 72 and 87 band combinations was observed, respectively. Theses results suggested that T.dicoccoides possesses (relatively) high genetic diversity of gliadin. The variability in gliadin was associated with the origin of the tested materials. Both resistance to stripe rust and days from sowing to heading among the genotypes from the same region were (relatively) (similar). Both resistance and days from sowing to heading were related to the genetic (distance) of gliadin.
出处
《麦类作物学报》
CAS
CSCD
2004年第3期29-33,共5页
Journal of Triticeae Crops
基金
国家自然科学基金(39970445)
四川省科技厅和四川省教育厅资助项目。
关键词
野生二粒小麦
醇溶蛋白
遗传多样性
务锈病抗性
播种~抽穗天数
Triticum dicoccoides
Gliadin
Genetic diversity
Stripe rust resistance
Days from sowing to (heading)
