Tolerance of tropical common bean genotypes to manganese toxicity: Performance under different growing conditions

作者: Alonso González , Jonathan Lynch

DOI: 10.1080/01904169909365648

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摘要: Abstract Manganese (Mn) toxicity is an important constraint to the production of common bean (Phaseolus vulgaris L.) in tropical and subtropical soils. Amelioration Mn by soil modification difficult Andosols, liming acid soils often not feasible for small farmers. Substantial genetic variation tolerance exists germplasm, but assess field trials due interactions with several environmental factors. The objectives this study were identify sources compare their performance using three growing conditions. Contrasting genotypes evaluated 1) biomass accumulation under stress solution culture, 2) silica sand 3) seed yield plants grown Mn‐amended soil. Genotypes varied substantially tolerance: A‐283, BAT‐795, Dore de Kirundu, IPA‐7419, Carioca, G‐12896a, NEP BAYO 22 susceptible, while Argentino, BAT...

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