Root hairs explain P uptake efficiency of soybean genotypes grown in a Pdeficient Ferralsol

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cg.authorship.typesCGIAR and advanced research instituteen_US
cg.contributor.affiliationKatholieke Universiteit Leuvenen_US
cg.contributor.affiliationInternational Center for Tropical Agricultureen_US
cg.contributor.affiliationInternational Institute of Tropical Agricultureen_US
cg.contributor.crpGrain Legumesen_US
cg.contributor.donorVlaamse Interuniversitaire Raaden_US
cg.coverage.countryKenyaen_US
cg.coverage.iso3166-alpha2KEen_US
cg.coverage.regionAfricaen_US
cg.coverage.regionEastern Africaen_US
cg.creator.identifierElke Vandamme: 0000-0002-0961-6528en_US
cg.howPublishedFormally Publisheden_US
cg.identifier.doihttps://doi.org/10.1007/s11104-012-1571-2en_US
cg.isijournalISI Journalen_US
cg.issn0032-079Xen_US
cg.issue1-2en_US
cg.journalPlant Soilen_US
cg.reviewStatusPeer Reviewen_US
cg.subject.iitaSOYBEANen_US
cg.subject.iitaGRAIN LEGUMESen_US
cg.subject.iitaPLANT GENETIC RESOURCESen_US
cg.volume369en_US
dc.contributor.authorVandamme, Elkeen_US
dc.contributor.authorRenkens, M.en_US
dc.contributor.authorPypers, Pieteren_US
dc.contributor.authorSmolders, E.en_US
dc.contributor.authorVanlauwe, Bernarden_US
dc.contributor.authorMerckx, Roelen_US
dc.date.accessioned2016-10-27T08:31:13Zen_US
dc.date.available2016-10-27T08:31:13Zen_US
dc.identifier.urihttps://hdl.handle.net/10568/77456en_US
dc.titleRoot hairs explain P uptake efficiency of soybean genotypes grown in a Pdeficient Ferralsolen_US
dcterms.abstractBackground and aims Incorporating soybean (Glycine max) genotypes with a high nitrogen fixation potential into cropping systems can sustainably improve the livelihoods of smallholder farmers in Western Kenya. Nitrogen fixation is, however, often constrained by low phosphorus (P) availability. The selection of soybean genotypes for increased P efficiency could help to overcome this problem. This study investigated the contribution of different root traits to variation in P efficiency among soybean genotypes. Methods Eight genotypes were grown in a Ferralsol amended with suboptimal (low P) and optimal (high P) amounts of soluble P. Root hair growth was visualized by growing plants in a novel agar system where P intensity was buffered by Al2O3 nanoparticles. Results In the pot trial, P uptake was unaffected among the genotypes at high P but differed about 2-fold at low P. The genotypes differed in P uptake efficiency but not in P utilization efficiency. Regression analysis and mechanistic modeling indicated that P uptake efficiencies were to a large extent related to root hair development (length and density) and, to a lower extent, to colonization by mycorrhizal fungi. Conclusion Breeding for improved root hair development is a promising way to increase P uptake efficiency in soybean.en_US
dcterms.accessRightsLimited Accessen_US
dcterms.available2013-01-03en_US
dcterms.bibliographicCitationVandamme, E., Renkens, M., Pypers, P., Smolders, E., Vanlauwe, B. & Merckx, R. (2013). Root hairs explain P uptake efficiency of soybean genotypes grown in a P-deficient Ferralsol. Plant and Soil, 369(1-2), 269-282.en_US
dcterms.extent269-282en_US
dcterms.issued2013-08en_US
dcterms.languageenen_US
dcterms.licenseCopyrighted; all rights reserveden_US
dcterms.publisherSpringeren_US
dcterms.subjectsoybeansen_US
dcterms.subjectroot hairsen_US
dcterms.subjectgenotypesen_US
dcterms.subjectmycorrhizalen_US
dcterms.subjectfungien_US
dcterms.subjectplasticityen_US
dcterms.subjectphosphorusen_US
dcterms.typeJournal Articleen_US

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