02093naa a2200277 a 450000100080000000500110000800800410001902200140006002400420007410000220011624501200013826000090025852012270026765000100149465000340150465000260153865000140156465000170157865000240159565300310161965300210165070000210167170000170169270000230170977300830173220437782017-03-02       2016    bl uuuu     u00u1 u    #d  a1807-86217 a10.4025/actasciagron.v38i2.271642DOI1 aGUIMARÃES, C. M.  aDrought tolerance in upland ricebidentification of genotypes and agronomic characteristics.h[electronic resource]  c2016  aThis study aimed to identify upland rice cultivars and elite lines that are tolerant to drought and the agronomic traits associated with this tolerance. Forty-one genotypes were evaluated in a randomized block design with three replications in experiments with and without water stress at the Experimental Station of Emater, in Porangatu, Goiás State, in 2011 and 2012. The first experiment was well-irrigated throughout plant development and the second experiment was irrigated only up to 40 days after emergence, after which water stress was imposed. A multivariate analysis using Ward?s method was applied, and the genotypes with and without water stress were classified into six and seven clusters, respectively, based on the average yield in the two years of experimentation. The most productive cluster under water stress comprised the genotypes AB062041, Douradão, Guarani, BRS Aimoré, and Tangará. The first four genotypes of this cluster were also ranked in the second most productive cluster under well-irrigated conditions. In the selection for drought tolerance, the genotypes that exhibit precocity, less dense panicles, low sterility and greater 100-grain weight under water stress should be prioritized.  aArroz  aCaracterísticas agronômicas  aDeficiência hídrica  aGenótipo  aOryza sativa  aPrecocidade vegetal  aEsterilidade de espiguetas  aMassa dos grãos1 aCASTRO, A. P. de1 aSTONE, L. F.1 aOLIVEIRA, J. P. de  tActa Scientiarum. Agronomy, Maringágv. 38, n. 2, p. 201-206, abr./jun. 2016.