论文

小麦—野燕麦蓝粒新种质的初步研究

  • 相志国 ,
  • 赵献林 ,
  • 康明辉 ,
  • 赵永英
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  • 河南省农业科学院小麦研究所,河南省小麦生物学重点实验室,小麦国家工程实验室,农业部黄淮中部小麦生物学与遗传育种重点实验室, 河南 郑州 450002
相志国(1977- ),男,山西运城人,助理研究员,博士,主要从事小麦细胞育种研究

收稿日期: 2013-04-12

  网络出版日期: 2014-10-14

基金资助

国家自然科学基金项目(31271726);国家“948”项目(2011-63)

A Preliminary Study on Blue Seed Germplasm from Wheat-Wild Oat Cross

  • XIANG Zhi-guo ,
  • ZHAO Xian-lin ,
  • KANG Ming-hui ,
  • ZHAO Yong-ying
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  • Wheat Research Institute, Henan Academy of Agricultural Science, Henan Key Laboratory of Wheat Biology, National Engineering Laboratory for Wheat, Key Laboratory of Wheat Biology and Genetic Breeding in Central Huang huai hai Region, Ministry of Agriculture, Zhengzhou 450002, China

Received date: 2013-04-12

  Online published: 2014-10-14

摘要

野燕麦具有对小麦遗传改良有益的基因,将其遗传物质导入到小麦中对丰富小麦的种质资源具有重要意义。对小麦—野燕麦杂交获得的蓝粒新种质的染色体进行了初步鉴定,其染色体数目为2n=42。用蓝粒新种质蓝粒与白粒小麦进行正反杂交,其F1均表现为蓝色,表明蓝粒对白粒为显性,且具有花粉直感现象。然而,当用红粒小麦中国春为母本与其杂交时,杂种粒色为红粒,通过谷蛋白电泳进一步证实了该红粒杂种的真实性。这表明蓝粒在遗传过程中有母本效应。

本文引用格式

相志国 , 赵献林 , 康明辉 , 赵永英 . 小麦—野燕麦蓝粒新种质的初步研究[J]. 华北农学报, 2013 , 28(4) : 83 -85 . DOI: 10.3969/j.issn.1000-7091.2013.04.016

Abstract

The wild oat contains some useful genes for wheat genetic improvement.The transfer of genetic mate- rial from oat to common wheat is of important significance for enriching the breeding resource of wheat.In the pa- per,the new blue- seed germplasm from wheat-oat cross was studied,which had 42 chromosomes and could be inher- ited stably.When the blue- seed line was crossed with white- seed genotypes,the reciprocal F1 hybrids all presented blue seed coat,which indicated that the blue seed was a dominant trait to white seed,and had pollen xenia effect. However,when it was used as male parent to cross with red- seed genotype Chinese-spring,the F1 hybrid presented the red- seed color,and the realness of hybrid seeds was confirmed by means of glutenin electrophoresis,This result indicated that the maternal effect was involved in the heredity of blue- seed color.

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