000 02354nas a2200325 4500
001 BR0807229
003 BR-BrBNA
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040 _aBR-BrBNA
_bpor
_cBiblioteca Nacional de Agricultura
041 _a(Pt)
072 _aF62
100 1 _aVasconcelos, E.S. de
100 1 _aBarioni Júnior, W.
100 1 _aCruz, C.D.
100 1 _aFerreira, R. de P.
100 1 _aRassini, J.B.
100 1 _aVilela, D.
245 1 _aSeleção de genótipos de alfafa pela adaptabilidade e estabilidade da produção de matéria seca
246 1 _aAlfalfa genotype selection for adaptability and stability of dry matter production
520 3 _aThis work was developed with the objective of evaluating and selecting alfalfa genotypes using methods of adaptability and phenotypic stability, for the production of dry matter in harvests during the rainy and drought seasons. The experiment made use of 92 alfalfa genotypes, conducted in three environments, in randomized blocks with two replications. For analyses of the adaptability and stability of the materials, the three methods applied were the traditional methodology, the Eberhart and Russel method, as well as the centroid method. The results using the traditional method of analysis indicate that the genotype WL 612 presents the lowest variation; however, as it features low averages of dry matter production, it is not recommended for such use. Applying the Eberhart and Russel methodology, LE N 4 had the best adaptability of dry matter production. Using the centroid method, several genotypes displayed overall adaptability; however, LE N 4 and P 30 were closest to centroid 1. The genotypes with the best behaviors in wet environments were Rocio and Costera SP INTA and, in the drought period, Bacana performed the best. Genotype LE N 4 showed the best overall adaptability, and genotype Bacana can be an option for utilization in the drought period.
650 _aALFAFA
650 _aPRODUTIVIDADE
650 _aSELEÇÃO GENOTIPA
773 0 _tActa Scientiarum. Agronomy (Brazil)
_xISSN 1679-9275
_g(Jul-sep 2008), v. 30(3) p. 339-343
_wBR0807229
856 4 0 _uhttp://www.periodicos.uem.br/ojs/index.php/ActaSciAgron^fpdf^lPt
909 _a56
_bSergio Santos
_c56
_dSergio Santos
942 _2AGRIS
_n0
_cANA
999 _c284373
_d284373