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| 19. |  | GUIMARÃES, A. P.; MORAIS, R. F.; URQUIAGA, S.; BODDEY, M.; ALVES, B. J. Bradyrhizobium strain and the 15N natural abundance quantification of biological N2 fixatinon in soybean Scientia Agricola, Piracicaba, v. 65, n. 5, p. 516-524, set./out. 2008. Parceria: UENF| Biblioteca(s): Embrapa Agrobiologia. |
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| 20. | | GUIMARÃES, A. P.; SILVA, C. F.; FAÇANHA, A. R.; ALVES, B. J. R.; BODDEY, R. M. Isotope fractionation of 15N during biological nitrogen fixation by endophytic diazotrophic bacteria grown "in vitro" . In: INTERNATIONAL SYMPOSIUM ON BIOLOGICAL NITROGEN WITH NON-LEGUMES, 12.; INTERNATIONAL INCT SYMPOSIUM ON NITROGEN BIOLOGICAL FIXATION, 2., 03 a 8 de outubro, 2010, Búzios, RJ. Book of abstracts... Seropédica: Embrapa Agrobiologia, 2010. Sl. 15| Biblioteca(s): Embrapa Agrobiologia. |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Agroenergia. |
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Data corrente: |
03/11/2016 |
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Data da última atualização: |
12/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
BODDEY, R. M.; FOSU, M.; ATAKORA, W. K.; MIRANDA, C. H. B.; BODDEY, L. H.; GUIMARAES, A. P.; AHIABOR, B. D. K. |
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Afiliação: |
ROBERT MICHAEL BODDEY, CNPAB. |
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Título: |
Cowpea (Vigna unguiculata) crops in Africa can respond to inoculation with Rhizobium. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Experimental Agriculture, Cambridge, v.53, n.4, p. 578-587, 2016. |
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Idioma: |
Inglês |
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Conteúdo: |
Cowpea (Vigna unguiculata L. Walp) is the most important food grain legume in Africa. Cowpea is nodulated by rhizobium bacteria in almost all soils of the tropics, but studies performed in the 1970s and 1980s in Nigeria suggested only modest responses of grain yield in the field to inoculation of selected rhizobium strains. More recently, experiments performed in Brazil have shown that cowpea responded to inoculation of rhizobium selected locally and grain yields increased by up to 30%. We tested some of the Brazilian strains on cowpea at a site in northern Mozambique and at several sites in Northern Ghana. At all sites phosphorus fertilizer (26 kg P ha?1) was added to all plots. At the site in Mozambique despite considerable damage to the crop by the parasitic yellow witchweed (Alectra vogelii), grain yields were more than doubled by inoculation of one of the Brazilian strains and reached 1.4 Mg ha?1. In on-station experiments conducted in 2012 in June and August in northern Ghana using the local cowpea variety Padi-Tuya as the test crop, nodule weight at 35 days after planting (dap) tripled with rhizobium strain BR 3299 (530 mg plant?1) in August with the other inoculants (BR 3267 and a mixture of BR 3267 and BR 3299) also increased nodule weight to over 300 mg plant?1. In the first on-station experiment, grain yields were doubled by the inoculation of any of the three rhizobium strains, and in the second experiment, significant increases in grain yield ranged from 39% to 57% and reached over 2.0 Mg ha?1. Similar increases in nodulation and grain yield due to inoculation were observed in 22 on-farm trials. Nitrogen fertilizer application promoted vegetative growth but did not increase grain yield and nodulation. Inoculating cowpea with highly effective rhizobium strains can therefore enhance grain yield of smallholder farmers in Africa. MenosCowpea (Vigna unguiculata L. Walp) is the most important food grain legume in Africa. Cowpea is nodulated by rhizobium bacteria in almost all soils of the tropics, but studies performed in the 1970s and 1980s in Nigeria suggested only modest responses of grain yield in the field to inoculation of selected rhizobium strains. More recently, experiments performed in Brazil have shown that cowpea responded to inoculation of rhizobium selected locally and grain yields increased by up to 30%. We tested some of the Brazilian strains on cowpea at a site in northern Mozambique and at several sites in Northern Ghana. At all sites phosphorus fertilizer (26 kg P ha?1) was added to all plots. At the site in Mozambique despite considerable damage to the crop by the parasitic yellow witchweed (Alectra vogelii), grain yields were more than doubled by inoculation of one of the Brazilian strains and reached 1.4 Mg ha?1. In on-station experiments conducted in 2012 in June and August in northern Ghana using the local cowpea variety Padi-Tuya as the test crop, nodule weight at 35 days after planting (dap) tripled with rhizobium strain BR 3299 (530 mg plant?1) in August with the other inoculants (BR 3267 and a mixture of BR 3267 and BR 3299) also increased nodule weight to over 300 mg plant?1. In the first on-station experiment, grain yields were doubled by the inoculation of any of the three rhizobium strains, and in the second experiment, significant increases in grain yield ranged from 39% to ... Mostrar Tudo |
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Palavras-Chave: |
Culturas de Cowpea; Inoculação com Rhizobium. |
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Thesagro: |
Vigna Unguiculata. |
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Thesaurus NAL: |
Africa. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02589naa a2200241 a 4500
001 2057124
005 2017-12-12
008 2016 bl uuuu u00u1 u #d
100 1 $aBODDEY, R. M.
245 $aCowpea (Vigna unguiculata) crops in Africa can respond to inoculation with Rhizobium.$h[electronic resource]
260 $c2016
520 $aCowpea (Vigna unguiculata L. Walp) is the most important food grain legume in Africa. Cowpea is nodulated by rhizobium bacteria in almost all soils of the tropics, but studies performed in the 1970s and 1980s in Nigeria suggested only modest responses of grain yield in the field to inoculation of selected rhizobium strains. More recently, experiments performed in Brazil have shown that cowpea responded to inoculation of rhizobium selected locally and grain yields increased by up to 30%. We tested some of the Brazilian strains on cowpea at a site in northern Mozambique and at several sites in Northern Ghana. At all sites phosphorus fertilizer (26 kg P ha?1) was added to all plots. At the site in Mozambique despite considerable damage to the crop by the parasitic yellow witchweed (Alectra vogelii), grain yields were more than doubled by inoculation of one of the Brazilian strains and reached 1.4 Mg ha?1. In on-station experiments conducted in 2012 in June and August in northern Ghana using the local cowpea variety Padi-Tuya as the test crop, nodule weight at 35 days after planting (dap) tripled with rhizobium strain BR 3299 (530 mg plant?1) in August with the other inoculants (BR 3267 and a mixture of BR 3267 and BR 3299) also increased nodule weight to over 300 mg plant?1. In the first on-station experiment, grain yields were doubled by the inoculation of any of the three rhizobium strains, and in the second experiment, significant increases in grain yield ranged from 39% to 57% and reached over 2.0 Mg ha?1. Similar increases in nodulation and grain yield due to inoculation were observed in 22 on-farm trials. Nitrogen fertilizer application promoted vegetative growth but did not increase grain yield and nodulation. Inoculating cowpea with highly effective rhizobium strains can therefore enhance grain yield of smallholder farmers in Africa.
650 $aAfrica
650 $aVigna Unguiculata
653 $aCulturas de Cowpea
653 $aInoculação com Rhizobium
700 1 $aFOSU, M.
700 1 $aATAKORA, W. K.
700 1 $aMIRANDA, C. H. B.
700 1 $aBODDEY, L. H.
700 1 $aGUIMARAES, A. P.
700 1 $aAHIABOR, B. D. K.
773 $tExperimental Agriculture, Cambridge$gv.53, n.4, p. 578-587, 2016.
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