Acta Agriculturae Zhejiangensis ›› 2023, Vol. 35 ›› Issue (5): 1058-1068.DOI: 10.3969/j.issn.1004-1524.2023.05.09

• Horticultural Science • Previous Articles     Next Articles

Creation of Ogura cytoplasmic male sterility (Ogura CMS) material of Brassica juncea

LI Chongjuan1,2(), LYU Fengxian1,2, YANG Ding1,2, ZHANG Liqin2,3, LAN Mei2,3, YANG Hongli2,3, XU Xuezhong2,3, HU Jingfeng2,3, SHEN Shipin4, WU Yufei4, HE Jiangming2,3,*(), DONG Xiangshu1   

  1. 1. Resource Plant Research Institute, Yunnan University, Kunming 650504, China
    2. Horticulture Research Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China
    3. Yunnan Branch of National Vegetable Improvement Center, Kunming 650205, China
    4. Agricultural Science and Technology Promotion Center of Zhenxiong County, Zhenxiong 657200, Yunnan, China
  • Received:2022-04-13 Online:2023-05-25 Published:2023-06-01
  • Contact: HE Jiangming

Abstract:

In order to obtain Ogura cytoplasmic male sterility Brassica juncea, the B genome of Brassica juncea was introduced into Chinese cabbage by hybridization, and the male sterility gene of Chinese cabbage was created by backcrossing combined with embryo rescue technique. With CCR17001 Ogura cytoplasmic male sterility Chinese cabbage and leaf mustard JC17000 hybridization, and leaf mustard as recurrent parent for 5 consecutive backcross generations, the Ogura cytopathic male sterile mustard material was obtained and identified by morphology, cytology and molecular biology. The results showed that the plant morphology of this material was similar to that of its recurrent parent, with well-developed nectaries, highly degenerated stamens into petals, 100% sterility and sterility rate, stable sterility, normal seed setting ability, which could be used as a reliable material for breeding advantage of mustard.

Key words: Brassica juncea, interspecies cross, Ogura cytoplasmic male sterility, embryo rescue

CLC Number: