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Agronomía Costarricense

Print version ISSN 0377-9424


HERNANDEZ, Alexander; GUERRA, Robert; TOBIA, Carlos  and  VILLALOBOS, Enrique. Evaluación del potencial forrajero de diez cultivares de soya (Glycine max (l) merr) en Venezuela. Agron. Costarricense [online]. 2013, vol.37, n.2, pp.45-54. ISSN 0377-9424.

Evaluation of forage potential of ten soybean cultivars (Glycine max (L) Merr) in Venezuela. In order to evaluate and select cultivars of soybean (Glycine max (L) Merr) for forage purposes, an experiment was conducted using a randomized complete block design with 6 replications. The experimental materials used were 9 cultivars from the germplasm bank DANAC Foundation and cultivar CIGRAS-06 from the Research Center of Grain and Seeds of the University of Costa Rica. The variables studied were those related to plant architecture, total biomass production in the reproductive R6, grain yield and some bromatological variables. Statistical analyzes showed significant differences for the variables under study. The cultivars with the highest biomass yields were CIGRAS -06, FP93-1935, FP93 -1924 and FP90-6102, with 17245, 13075, 13066 and 12587 kg.ha-1 of dry matter (DM). The higher content of crude protein (CP) in the pods were FP90-10205, FP93-1930 and FP92-1904, with 24.2, 23.7 and 21.0%, respectively. And at leaf-level, cultivars FP93 -1935, FP92 -4906 and FP90 -7102 with 25.5, 24.9 and 23.0%, respectively. For grain production, cultivars showing high potential were CIGRAS-06, FP93-1924, FP90-6102 and FP90-6103, exceeding 3500 kg.ha-1.

Keywords : Soybeans forage; selection; biomass; chemical composition.

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