Synthesis of male sterile, triazine-resistant Brassica napus by somatic hybridization between cytoplasmic male sterile B. oleracea and atrazine-resistant B. campestris

1989 ◽  
Vol 78 (3) ◽  
pp. 445-455 ◽  
Author(s):  
P. S. Jourdan ◽  
E. D. Earle ◽  
M. A. Mutschler
Keyword(s):  
Brassica Napus ◽  
Somatic Hybridization ◽  
Male Sterile ◽  
Cytoplasmic Male Sterile

Diplotaxis muralis (mur) cytoplasmic male sterility system maintainer occurrence and frequency in summer rape

2000 ◽  
Vol 80 (3) ◽  
pp. 587-589 ◽  
Author(s):  
Teresio C. Riungu ◽  
Peter B. E. McVetty
Keyword(s):  
Brassica Napus ◽  
Cytoplasmic Male Sterility ◽  
Key Words ◽  
Male Sterility ◽  
Frequency Of Occurrence ◽  
Male Sterile ◽  
Brassica Napus L ◽  
Cytoplasmic Male Sterile

No male sterile plants were found in the F1 progeny from crosses between a Diplotaxis muralis cytoplasmic male sterile (mur CMS) semi-winter habit rape (Brassica napus L.) A-line and 101 genetically diverse summer rape cultivars or strains. The frequency of occurrence of mur CMS system maintainer genotypes in summer rape is very low, possibly zero. Key words: Mur CMS system; Brassica napus L.

High-frequency embryogenesis in male sterile plants of Brassica napus through microspore culture

1988 ◽  
Vol 66 (8) ◽  
pp. 1676-1680 ◽  
Author(s):  
Phan V. Chuong ◽  
K. P. Pauls ◽  
W. D. Beversdorf
Keyword(s):  
Brassica Napus ◽  
Male Sterility ◽  
Constant Temperature ◽  
Oilseed Rape ◽  
High Frequency ◽  
Microspore Culture ◽  
Doubled Haploids ◽  
Nuclear Genome ◽  
Male Sterile ◽  
Cytoplasmic Male Sterile

Microspores from several Polima cytoplasmic male sterile (Pol-CMS) and Diplotaxis muralis male sterile (Mur-MS) oilseed rape lines were cultured in a modified Nitsch and Nitsch medium in the dark for 4 weeks. High androgenic frequencies were observed in microspore cultures initiated from plants of both male sterile (MS) types. In cultures maintained at a constant temperature (30 °C) 1 or 2% of the microspores from Pol-CMS or Mur-MS lines, respectively, developed into embryos. A greater percentage of the embryos obtained from the Pol-CMS lines were of good quality than those obtained from the Mur-MS lines (25 vs. 5%). Twenty percent of the plants regenerated from embryos of both lines were spontaneous doubled haploids. The results suggest that no unfavorable cytoplasmic–nuclear genome interaction affecting androgenic potential exists in plants exhibiting Polima or Diplotaxis muralis male sterility.

scholarly journals Identification of a microsatellite marker linked to the fertility-restoring gene for a polima cytoplasmic male-sterile line in Brassica napus L.

2011 ◽  
Vol 10 (47) ◽  
pp. 9563-9569 ◽  
Author(s):  
Li Yun ◽  
Liu Zhi ◽  
Cai Qiang ◽  
Yang Guangsheng ◽  
He Qingbiao ◽  
...  
Keyword(s):  
Brassica Napus ◽  
Microsatellite Marker ◽  
Male Sterile ◽  
Male Sterile Line ◽  
Brassica Napus L ◽  
Cytoplasmic Male Sterile
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