Integrated management of Striga gesnerioides in cowpea using resistant varieties, improved crop nutrition and rhizobium inoculants

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cg.authorship.typesCGIAR and developing country instituteen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationInstitut de l'Environnement et de Recherches Agricoles, Burkina Fasoen
cg.contributor.affiliationBayero Universityen
cg.contributor.crpAgriculture for Nutrition and Healthen
cg.contributor.crpClimate Change, Agriculture and Food Securityen
cg.contributor.crpMaizeen
cg.contributor.crpRoots, Tubers and Bananasen
cg.contributor.crpGrain Legumesen
cg.contributor.donorBill & Melinda Gates Foundationen
cg.coverage.countryNigeriaen
cg.coverage.iso3166-alpha2NGen
cg.coverage.regionAfricaen
cg.coverage.regionWestern Africaen
cg.creator.identifierOusmane: 0000-0003-0234-4264en
cg.creator.identifierNouhoun Belko: 0000-0002-1131-6815en
cg.creator.identifierAbou TOGOLA: 0000-0001-6155-8292en
cg.creator.identifierFred Kanampiu: 0000-0002-2480-6813en
cg.creator.identifierbernard vanlauwe: 0000-0001-6016-6027en
cg.creator.identifierKen E Giller: 0000-0002-5998-4652en
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1007/s11104-022-05295-7en
cg.identifier.iitathemeBIOTECH & PLANT BREEDINGen
cg.identifier.iitathemeNATURAL RESOURCE MANAGEMENTen
cg.identifier.iitathemePLANT PRODUCTION & HEALTHen
cg.isijournalISI Journalen
cg.issn0032-079Xen
cg.issue1-2en
cg.journalPlant and Soilen
cg.reviewStatusPeer Reviewen
cg.subject.iitaAGRONOMYen
cg.subject.iitaCOWPEAen
cg.subject.iitaDISEASE CONTROLen
cg.subject.iitaFOOD SECURITYen
cg.subject.iitaGRAIN LEGUMESen
cg.subject.iitaPESTS OF PLANTSen
cg.subject.iitaPLANT BREEDINGen
cg.subject.iitaPLANT PRODUCTIONen
cg.subject.impactAreaNutrition, health and food securityen
cg.subject.sdgSDG 2 - Zero hungeren
cg.volume473en
dc.contributor.authorAbdullahi, W.M.en
dc.contributor.authorDianda, M.en
dc.contributor.authorBoukar, O.en
dc.contributor.authorDieng, I.en
dc.contributor.authorMohammed, G.S.en
dc.contributor.authorBelko, N.en
dc.contributor.authorTogola, A.en
dc.contributor.authorMuhammad, H.en
dc.contributor.authorKanampiu, F.en
dc.contributor.authorGiller, Kenneth E.en
dc.contributor.authorVanlauwe, Bernarden
dc.date.accessioned2022-05-12T11:05:25Zen
dc.date.available2022-05-12T11:05:25Zen
dc.identifier.urihttps://hdl.handle.net/10568/119523
dc.titleIntegrated management of Striga gesnerioides in cowpea using resistant varieties, improved crop nutrition and rhizobium inoculantsen
dcterms.abstractBackground Cowpea is a grain legume of major importance in sub-Saharan Africa where it is cultivated by smallholder farmers on poor soils and production is often constrained by the parasitic weed Striga gesnerioides. Method Experiments were conducted to assess the potential of rhizobium inoculation to mitigate Striga infection and increase cowpea productivity. We infested soils with S. gesnerioides and assessed the impact of treatments combining cowpea genotypes and bradyrhizobium inoculation on Striga dynamics and cowpea yield. In total, 20 cowpea genotypes were included, of which nine were resistant to Striga and 11 were susceptible. In the first experiment these were factorially combined with three inoculation options (two bradyrhizobium strains USDA3384 and IRJ2180A, and uninoculated control) in a screen-house using potted sterile soils. Second, the same trial was repeated in the field with basal phosphorus applied at sowing and a fourth treatment of fertilizer-N (urea) included testing whether N was limiting cowpea growth. The field trial also included a separate treatment with no input that served as a negative check. Result Significant genotype x treatment interactions were observed in nodule counts, Striga attachment, emergence, and cowpea shoot growth in the screen-house. There were few nodules across all cowpea lines. Striga counts were the lowest for resistant varieties with no emerged plants. Rhizobial inoculants depressed Striga counts with consistent differences across cowpea genotypes. Inoculation with IRJ2180A performed the best against Striga attachment in resistant genotypes, and against Striga emergence in susceptible genotypes. In the field trial, cowpea grown without inputs had the least number of nodules. The genotype x treatment interaction was significant: resistant cowpea genotypes were free of emerged Striga while there was much more Striga emergence without input addition with susceptible genotypes. A significant genotype x treatment interaction was observed on cowpea grain yield. Yield response to inoculation was clearest with resistant genotypes inoculated with the strain IRJ2180A. Conclusion The integrated use of Striga-resistant cowpea lines, basal phosphorus fertilizer and elite bradyrhizobium inoculants is a promising approach to mitigate Striga infection and increase cowpea productivity.en
dcterms.accessRightsOpen Accessen
dcterms.audienceScientistsen
dcterms.available2022-01-19en
dcterms.bibliographicCitationAbdullahi, W.M., Dianda, M., Boukar, O., Dieng, I., Mohammed, G.S., Belko, N., ... & Vanlauwe, B. (2022). Integrated management of Striga gesnerioides in cowpea using resistant varieties, improved crop nutrition and rhizobium inoculants. Plant and Soil, 473, 197-213.en
dcterms.extent197-213en
dcterms.issued2022-04en
dcterms.languageenen
dcterms.licenseCC-BY-4.0en
dcterms.publisherSpringeren
dcterms.subjectvigna unguiculataen
dcterms.subjectstriga hermonthicaen
dcterms.subjectbiological controlen
dcterms.subjectnodulationen
dcterms.subjectnitrogen fixationen
dcterms.typeJournal Articleen

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