Wide crosses of Vigna food legumes
Many successful wide crosses among Asiatic cultivated Vigna species and between them and a wild species, V. trilobata, have been reported However, despite many attempts to cross the African cultivated Vigna species with wild Vigna species and the Asiatic cultivated Vigna species, there has been no success as yet. Nevertheless, crosses between cultivated and wild subspecies of V. unguiculata were fairly easy and their hybrids are fertile. Studies conducted at the International Institute of Tropical Agriculture (IITA) have shown that crossing barriers between V. unguiculata and several African wild Vigna species were due to abortion ofyoung embryos and pollen-pistil incompatibility. With more basic research on reproductive biology and tissue culture, and a larger number of crosses among species and genotypes, there will be a greater chance of success for wide crosses between V. unguiculata and wild Vigna species which possess some very desirable traits for the improvement of this cultivated species
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Format: | Book Chapter biblioteca |
Language: | English |
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1992
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Subjects: | vigna, legumes, interspecific hybridization, |
Online Access: | https://hdl.handle.net/10568/100001 |
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dig-cgspace-10568-1000012023-06-08T19:47:15Z Wide crosses of Vigna food legumes Ng, N.Q. vigna legumes interspecific hybridization Many successful wide crosses among Asiatic cultivated Vigna species and between them and a wild species, V. trilobata, have been reported However, despite many attempts to cross the African cultivated Vigna species with wild Vigna species and the Asiatic cultivated Vigna species, there has been no success as yet. Nevertheless, crosses between cultivated and wild subspecies of V. unguiculata were fairly easy and their hybrids are fertile. Studies conducted at the International Institute of Tropical Agriculture (IITA) have shown that crossing barriers between V. unguiculata and several African wild Vigna species were due to abortion ofyoung embryos and pollen-pistil incompatibility. With more basic research on reproductive biology and tissue culture, and a larger number of crosses among species and genotypes, there will be a greater chance of success for wide crosses between V. unguiculata and wild Vigna species which possess some very desirable traits for the improvement of this cultivated species 1992 2019-03-03T05:54:36Z 2019-03-03T05:54:36Z Book Chapter Ng, N.Q. (1992). Wide crosses of Vigna food legumes. In G. Thottappilly, L.M. Monti, D.R. Mohan Raj and A.W. Moore, Biotechnology: enhancing research on tropical crops in Africa. Ibadan, Nigeria: IITA. (p.75-80.). 978 131 090 1 https://hdl.handle.net/10568/100001 en Limited Access p. 75-80 |
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vigna legumes interspecific hybridization vigna legumes interspecific hybridization Ng, N.Q. Wide crosses of Vigna food legumes |
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Many successful wide crosses among Asiatic cultivated Vigna species and between them and a wild species, V. trilobata, have been reported However, despite many attempts to cross the African cultivated Vigna species with wild Vigna species and the Asiatic cultivated Vigna species, there has been no success as yet. Nevertheless, crosses between cultivated and wild subspecies of V. unguiculata were fairly easy and their hybrids are fertile. Studies conducted at the International Institute of Tropical Agriculture (IITA) have shown that crossing barriers between V. unguiculata and several African wild Vigna species were due to abortion ofyoung embryos and pollen-pistil incompatibility. With more basic research on reproductive biology and tissue culture, and a larger number of crosses among species and genotypes, there will be a greater chance of success for wide crosses between V. unguiculata and wild Vigna species which possess some very desirable traits for the improvement of this cultivated species |
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Book Chapter |
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vigna legumes interspecific hybridization |
author |
Ng, N.Q. |
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Ng, N.Q. |
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Ng, N.Q. |
title |
Wide crosses of Vigna food legumes |
title_short |
Wide crosses of Vigna food legumes |
title_full |
Wide crosses of Vigna food legumes |
title_fullStr |
Wide crosses of Vigna food legumes |
title_full_unstemmed |
Wide crosses of Vigna food legumes |
title_sort |
wide crosses of vigna food legumes |
publishDate |
1992 |
url |
https://hdl.handle.net/10568/100001 |
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AT ngnq widecrossesofvignafoodlegumes |
_version_ |
1779058695000293376 |