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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Norte / UEP-Parnaíba. |
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Data corrente: |
18/06/1996 |
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Data da última atualização: |
18/06/1996 |
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Autoria: |
BATA, H. D.; SINGH, B. B.; SINGH, S. R.; LADEINDE, T. A. O. |
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Título: |
Inheritance of resistance to aphid in cowpea. |
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Ano de publicação: |
1987 |
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Fonte/Imprenta: |
Crop Science, v.27, p.892-894, 1987. |
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Idioma: |
Inglês |
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Conteúdo: |
Aphid (Aphis craccivora Kock) is a major pest of cowpea (Vigna unguiculata L.) Walp) particularly in the drier regions of the tropics. It causes direct damage by feeding on the plants and also transmits viruses. Several sources of resistance to cowpea aphid have been identified and efforts are underway to develop aphid-resistant cultivars of cowpea. This study was undertaken to elucidate the inheritance of resistanceto aphid in cowpea. Three resistant lines were used in the study. Parental, F1, F2, F3 and backcross populations involving resistant x susceptible and resistant x resistant lines were evaluated in the greenhouse using artificial with aphids. The F1 plants in all the crosses wereresistant and the F2 population derived from all the crosses involvingresistant and susceptible parents segregated into 3 resistant susceptible ratio. The backcross populations involving susceptible parents segregated into 1 resistant; 1 susceptible ratio, whereas the backcross populations involving resistant parents were completely resistant. The F3 progenics derived from resistant F2 showed a ratio of 1/3 true breeding resistant; 2/3 segregating like F2's. These data indicated monogenic dominant inheritance of aphid resistance. The gene symbol Rac (resistance to Aphis craccivora) is being assigned for this trait. |
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Palavras-Chave: |
Afideos; Aphids; Caupi; Cowpea; Insectos; Insetos. |
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Thesagro: |
Aphis Craccivora; Vigna Unguiculata. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01926naa a2200253 a 4500
001 1077479
005 1996-06-18
008 1987 bl --- 0-- u #d
100 1 $aBATA, H. D.
245 $aInheritance of resistance to aphid in cowpea.
260 $c1987
520 $aAphid (Aphis craccivora Kock) is a major pest of cowpea (Vigna unguiculata L.) Walp) particularly in the drier regions of the tropics. It causes direct damage by feeding on the plants and also transmits viruses. Several sources of resistance to cowpea aphid have been identified and efforts are underway to develop aphid-resistant cultivars of cowpea. This study was undertaken to elucidate the inheritance of resistanceto aphid in cowpea. Three resistant lines were used in the study. Parental, F1, F2, F3 and backcross populations involving resistant x susceptible and resistant x resistant lines were evaluated in the greenhouse using artificial with aphids. The F1 plants in all the crosses wereresistant and the F2 population derived from all the crosses involvingresistant and susceptible parents segregated into 3 resistant susceptible ratio. The backcross populations involving susceptible parents segregated into 1 resistant; 1 susceptible ratio, whereas the backcross populations involving resistant parents were completely resistant. The F3 progenics derived from resistant F2 showed a ratio of 1/3 true breeding resistant; 2/3 segregating like F2's. These data indicated monogenic dominant inheritance of aphid resistance. The gene symbol Rac (resistance to Aphis craccivora) is being assigned for this trait.
650 $aAphis Craccivora
650 $aVigna Unguiculata
653 $aAfideos
653 $aAphids
653 $aCaupi
653 $aCowpea
653 $aInsectos
653 $aInsetos
700 1 $aSINGH, B. B.
700 1 $aSINGH, S. R.
700 1 $aLADEINDE, T. A. O.
773 $tCrop Science$gv.27, p.892-894, 1987.
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Registro original: |
Embrapa Meio Norte / UEP-Parnaíba (CPAMN-UEPP) |
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| 1. |  | NOGUEIRA, G. F.; SOUZA, V. S.; TAKEITI, C. Y.; CARVALHO, C. W. P.; GUMBREVICIUS, I.; FAKHOURI, F. M. Elaboração de mousse de maracujá adicionado de semente ou farinha de linhaça dourada. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 9., 2011, Campinas. Ciência de alimentos e qualidade de vida: saúde, meio ambiente e sustentabilidade: resumos. Campinas: UNICAMP, FEA, 2011. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| 2. | | SOUZA, V. S.; NOGUEIRA, G. F.; GILIOTTI, M. V.; NUNES, C. S.; CIMENTON, E. A.; GUMBREVICIUS, I.; INNOCENTINI-MEI, L. H.; CARVALHO, C. W. P.; FAKHOURI, F. M. Elaboração e aceitação de doce a base de chocolate com adição de linhaça dourada. In: SIMPÓSIO LATINO AMERICANO DE CIÊNCIA DE ALIMENTOS, 9., 2011, Campinas. Ciência de alimentos e qualidade de vida: saúde, meio ambiente e sustentabilidade: resumos. Campinas: UNICAMP, FEA, 2011. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroindústria de Alimentos. |
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| Registros recuperados : 2 | |
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