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Avaliacao de populacoes de mihlo e seus cruzamentos para tolerancia a toxidez de aluminio em solucao nutritiva

By: Lopes, M.A.
Contributor(s): Bahia Filho, A.F.C [coaut.] | Gomes e Gama, E.E [coaut.] | Magnavaca, R [coaut.].
Material type: materialTypeLabelArticlePublisher: 1987Subject(s): Aluminium | Combining ability | Cytoplasmic inheritance | Diallel crossing | F1 hybrids | Length | Nutrient solutions | Reciprocal crossing | Roots AGROVOC | Zea mays AGROVOC In: Pesquisa Agropecuaria Brasileira v. 22, no. 3, p. 257-263617560Summary: A study of 13 populations and of 5 populations together with their F1 crosses and reciprocals, grown in nutrient solution containing 222 æM Al/litre, showed that relative seedling root length (initial length/length after 8 days) gave good discrimination between genotypes while top dry weight and root dry weight did not. The experimental hybrid CMS200 and the populations CMS30 and CMS36, which had been selected in soils with aluminium toxicity, were tolerant when grown in the nutrient containing Al. The crosses showed no reciprocal differences in tolerance. Additive variance was predominant. CMS36 and CM30 had a positive effect for tolerance (onCollection: Reprints Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

Reprints Collection REP-4039 (Browse shelf) 1 Available 617560
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0100-204X

Tables, referencias p. 262-263

A study of 13 populations and of 5 populations together with their F1 crosses and reciprocals, grown in nutrient solution containing 222 æM Al/litre, showed that relative seedling root length (initial length/length after 8 days) gave good discrimination between genotypes while top dry weight and root dry weight did not. The experimental hybrid CMS200 and the populations CMS30 and CMS36, which had been selected in soils with aluminium toxicity, were tolerant when grown in the nutrient containing Al. The crosses showed no reciprocal differences in tolerance. Additive variance was predominant. CMS36 and CM30 had a positive effect for tolerance (on

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