SELECTION FOR ALUMINUM TOLERANCE IN TROPICAL SOYBEANS

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dc.creatorCarlos Roberto Spehar
dc.creatorLuiz Augusto Copati Souza
dc.date2006
dc.date.accessioned2026-07-07T04:30:17Z
dc.descriptionSoil acidity is a limiting factor for most of the cultivated plants in the Brazilian Savannah. Toxicity caused by aluminum (Al) is especially serious in the acid subsurface, which remains acidic after soil has been amended, by hindering root growth and causing drought susceptibility and nutritional unbalance. This research aimed at selecting soybean with increased tolerance to Al through association of hydroponics and field experiments. Crosses including savannah adapted genotypes were obtained. Seeds of contrasting individuals, selected in hydroponics at F2 generation for root growth, were obtained for progeny evaluation at F3, in the field, and at F4 in hydroponics. Grain production and total dry matter of selected progenies were superior to the parentals, in the acid soil experiment. These results were confirmed by performance in hydroponics, indicating the method may be successfully employed in breeding programs for crop adaptation to subsurface acid soil conditions.
dc.formatapplication/pdf
dc.identifier1517-6398
dc.identifierhttps://www.redalyc.org/articulo.oa?id=253021639001
dc.identifier.urihttp://hdl.handle.net/123456789/463407
dc.languageen
dc.publisherUniversidade Federal de Goiás
dc.relationhttp://www.redalyc.org/revista.oa?id=2530
dc.rightsPesquisa Agropecuária Tropical
dc.sourcePesquisa Agropecuária Tropical (Brasil) Num.1 Vol.36
dc.subjectAgrociencias
dc.titleSELECTION FOR ALUMINUM TOLERANCE IN TROPICAL SOYBEANS
dc.typeartículo científico

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Pesquisa Agropecuária Tropical - Universidade Federal de Goiás