2025-5-5- 13
Home > Archive>Volume 21, Issue 4, 2020 >834-845. DOI:10.13430/j.cnki.jpgr.20200106001
PDF HTML XML Export Cite reminder
Effects of Alien Chromosome on Main Agronomic Traits of Wheat
Author:
Affiliation:

Crop Research Institute, Shandong Academy of Agricultural Sciences/Key Laboratory of Wheat Biology and Genetic Improvement in the North Yellow﹠ Huai River Valley, Ministry of Agriculture/National Engineering Laboratory for Wheat﹠Maize

Fund Project:

National Natural Science Foundation of China (31971874)，Taishan Scholars Project (tsqn201812123)，Agricultural Seed Project of Shandong Province (2019LZGC016)

  • Article
    • | |
  • Metrics
    • |
  • Reference
    • |
  • Related
    • |
  • Cited by
    • | |
  • Comments
    Abstract:

    Chromosome addition lines of wheat-wild species have excellent traits such as disease resistance and stress tolerance, which is an important bridge material for the introgression of elite characters to wheat. Many studies have reported the increasing of disease resistance or stress tolerance when the wild relatives derived segments are present in wheat. However, the effects on agronomic traits caused by introgressions of alien chromosomes remain to be rarely reported. In this study, several agronomic traits consisting of plant height, spike length, flag leaf length and width, effective tiller number, spikelet number, grain number per spike and thousand-kernel weight in a set of chromosome addition lines were investigated at four field trials experiments. In relative to wheat control lines, the presence of introduced chromosomes Aegilops searsii 4Ss#1, Elymus ciliaris 5Yc and 7Yc, Dasypyrum villosum 2V#3, Lophopyrum elongatum 3E, 5E and 6E resulted in significant increase on spike length. When E. ciliaris 5Yc chromosome is present, the wheat-wild addition lines showed markedly decrease on the size of flag leaf. The chromosomes of E. ciliaris 7Sc and 7Yc were found to be associated with the increase of thousand-kernel weight. Thus, these chromosome addition lines in conjunction with future chromosome engineering and (/or) physicochemical mutagenesis induced structural variants become of interest to localize the agronomically-important genes.

    Reference
    Related
    Cited by
Get Citation

Copy
Share
Article Metrics
  • Abstract:
  • PDF:
  • HTML:
  • Cited by:
History
  • Received:January 06,2020
  • Revised:March 06,2020
  • Adopted:March 24,2020
  • Online: July 20,2020
Article QR Code
You are the th visitor 京ICP备09069690号-23
® 2025 All Rights Reserved
Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Firefox, Chrome, IE10, IE11 are recommended. Other browsers are not recommended.