dc.creatorVIEIRA, R.F.
dc.creatorCARNEIRO, J.E.S.
dc.creatorLYNCH, J.P.
dc.date2014-08-16T06:32:42Z
dc.date2014-08-16T06:32:42Z
dc.date2008
dc.date2008-11-13
dc.date.accessioned2017-03-06T21:29:24Z
dc.date.available2017-03-06T21:29:24Z
dc.identifier44832
dc.identifierhttp://www.alice.cnptia.embrapa.br/handle/doc/111864
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/313449
dc.descriptionThe objective of this work was to assess root traits of 19 common bean genotypes, used in breeding programs for disease resistance. Genotypes DOR 364 and G 19833 were used as deep and shallow basal root checks, respectively. The number of whorls and basal roots were assessed on five-day old seedlings grown in germination paper. Growth pouch studies were conducted to evaluate basal root gravitropism and lateral root length from primary roots, in seven-day old seedlings. The following root gravitropic traits were estimated: basal growth angle, shallow basal root length (localized in the top 2 cm), and relative shallow basal root growth. Number of whorls varied from 1.47 to 3.07, and number of basal roots ranged from 5.67 (genotype TO) to 12.07 (cultivar Jalo MG-65). Cultivars BRS MG Talismã, Carioca, BRS Pioneiro, and Diamante Negro exhibited shallow basal roots, while genotypes Vi-10-2-1, TU, AB 136, and México 54 showed deep basal roots. Cultivar Jalo MG-65 showed more lateral roots from the primary root than the other genotypes. Genotypes used on common bean breeding programs for disease resistance have great variability on basal and primary root traits.
dc.description2008
dc.languageen
dc.publisherPesquisa Agropecuária Brasileira, Brasilia, DF, v. 43, n.6, p.707-712, jun. 2008.
dc.relationÁrea de Informação da Sede - Artigo em periódico indexado (ALICE)
dc.subjectPhaseolus vulgaris
dc.subjectbasal roots
dc.subjectlateral roots
dc.subjectprimary root
dc.subjectroot gravitropism
dc.subjectraízes basais
dc.subjectraízes laterais
dc.subjectraiz principal
dc.subjectgravitropismo de raízes
dc.titleRoot traits of common bean genotypes used in breeding programs for disease resistance.
dc.typeArtículos de revistas


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