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New wheat genotypes tolerant to aluminum toxicity obtained by mutation induction PAB
Tulmann Neto,Augusto; Alves,Marcelo Correa; Camargo,Carlos Eduardo de Oliveira; Castro,Jairo Lopes de; Ferreira Filho,Wilson Penteado.
Seed from the sensitive wheat (Triticum aestivumL.) cultivar Anahuac was treated to gamma-ray irradiation and eleven Al3+ tolerant mutants selected. The objective was to compare these mutants to the original Anahuac and to the tolerant wheat cultivars IAC-24 and IAC-60 from 1994 to 1996 in acid (Capão Bonito) and limed (Monte Alegre do Sul) soil field trials, in the State of São Paulo, Brazil. Grain yield and agronomic characteristics were analyzed. All the mutant lines yielded higher than the sensitive Anahuac cultivar in the acid soils of Capão Bonito. Under limed soil conditions, 10 mutants had a similar yield to the original sensitive cultivar and one a lower yield. The majority of the mutants were similar in yield to the tolerant cultivars IAC-24 and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acid soil; Liming; Breeding methods; Mutants; Gamma radiation; Agronomic characters; Grain yield; Plant breeding.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2001000100008
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