Production of high yield short duration Brassica napus by interspecific hybridization between B. oleracea and B. rapa

Brassica napus is a leading oilseed crop throughout many parts of the world. It is well adapted to long day photoperiods, however, it does not adapt well to short day subtropical regions. Short duration B. napus plants were resynthesized through ovary culture from interspecific crosses in which B. r...

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Publié dans:Breeding science. - 1998. - 63(2014), 5 vom: 22. März, Seite 495-502
Auteur principal: Karim, Md Masud (Auteur)
Autres auteurs: Siddika, Asfakun, Tonu, Nazmoon Naher, Hossain, Delwar M, Meah, Md Bahadur, Kawanabe, Takahiro, Fujimoto, Ryo, Okazaki, Keiichi
Format: Article en ligne
Langue:English
Publié: 2014
Accès à la collection:Breeding science
Sujets:Journal Article Brassica napus interspecific hybridization ovary culture resynthesis semi-resynthesis short duration
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520 |a Brassica napus is a leading oilseed crop throughout many parts of the world. It is well adapted to long day photoperiods, however, it does not adapt well to short day subtropical regions. Short duration B. napus plants were resynthesized through ovary culture from interspecific crosses in which B. rapa cultivars were reciprocally crossed with B. oleracea. From five different combinations, 17 hybrid plants were obtained in both directions. By self-pollinating the F1 hybrids or introgressing them with cultivated B. napus, resynthesized (RS) F3 and semi-resynthesized (SRS) F2 generations were produced, respectively. In field trial in Bangladesh, the RS B. napus plants demonstrated variation in days to first flowering ranging from 29 to 73 days; some of which were similar to cultivated short duration B. napus, but not cultivated short duration B. rapa. The RS and SRS B. napus lines produced 2-4.6 and 1.6-3.7 times higher yields, respectively, as compared to cultivated short duration B. napus. Our developed RS lines may be useful for rapeseed breeding not only for subtropical regions, but also for areas such as Canada and Europe where spring rapeseed production can suffer from late spring frosts. Yield and earliness in RS lines are discussed 
650 4 |a Journal Article 
650 4 |a Brassica napus 
650 4 |a interspecific hybridization 
650 4 |a ovary culture 
650 4 |a resynthesis 
650 4 |a semi-resynthesis 
650 4 |a short duration 
700 1 |a Siddika, Asfakun  |e verfasserin  |4 aut 
700 1 |a Tonu, Nazmoon Naher  |e verfasserin  |4 aut 
700 1 |a Hossain, Delwar M  |e verfasserin  |4 aut 
700 1 |a Meah, Md Bahadur  |e verfasserin  |4 aut 
700 1 |a Kawanabe, Takahiro  |e verfasserin  |4 aut 
700 1 |a Fujimoto, Ryo  |e verfasserin  |4 aut 
700 1 |a Okazaki, Keiichi  |e verfasserin  |4 aut 
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773 1 8 |g volume:63  |g year:2014  |g number:5  |g day:22  |g month:03  |g pages:495-502 
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