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Revista Ciência Agronômica

versão On-line ISSN 1806-6690

Resumo

FRANCELINO, Francisco Maurício Alves et al. Evaluation of Promising of snap bean to the North and Northwest Fluminense. Rev. Ciênc. Agron. [online]. 2011, vol.42, n.2, pp.554-562. ISSN 1806-6690.  https://doi.org/10.1590/S1806-66902011000200039.

The snap bean is a vegetable rich in fibers, proteins and vitamins. Within of the breeding program of snap bean of Universidade Estadual do Norte Fluminense Darcy Ribeiro (UENF), selections were performed in F2 populations in the field, advancing to F5 by SSD method, in a greenhouse, selecting 30 promising lines in F6. Continuing the program, the F7 generation was cultivated and evaluated in the field in Campos dos Goytacazes and in Bom Jesus do Itabapoana. The characteristics evaluated were height of first pod insertion (APV), height of plants (AP), average number of pods per plant (NMV); average length of pods (CMV), average weight of grains per pod (PMGV); fiber content in pod (FIB), pod productivity per hectare (ProdVagens) and grains productivity per hectare (ProdGrãos). There has no interaction genotype x environment (local) for the characteristic fiber content in pod, indicating that this is very stable environments studied. The Scott-Knot test formed three groups as to fiber content in fresh pods. There was significative effect of genotypes for all characteristics considered, except for the NMVP. The accesses UENF 7-20-1, UENF 7-5-1, UENF 14-22-3, UENF 15-8-4, UENF 1445, Top seed blue line, Feltrin, UENF 14-16-3, UENF 7-10-1, UENF 14-6-3 and UENF 15-23-4 were respectively the most productive, with yields from 20,052 to 15,873 Mg ha-1 of pods and in grains yield (2,693 to 2,014 Mg ha-1). The characteristic most correlated with the yield of pods and grain was NMVP followed by CMV.

Palavras-chave : Snap bean; Agronomic characters; Breeding.

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