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Pesquisa Agropecuária Brasileira

Print version ISSN 0100-204XOn-line version ISSN 1678-3921


MATEUS, Gustavo Pavan; CRUSCIOL, Carlos Alexandre Costa  and  COSTA, Ciniro. Physical-chemical composition and ensiling potential of Giant Guinea sorghum in six different sowing dates. Pesq. agropec. bras. [online]. 2005, vol.40, n.9, pp.935-942. ISSN 0100-204X.

The lack of alternative crops for fall-winter cultivation is a drawback in the utilization of agricultural production systems, especialy in regions with dry winters. The purpose of this study was to evaluate the potential of Giant Guinea sorghum (Sorghum bicolor subsp. bicolor guinea race) for forage production, ensiling and plant chemical composition, in different sowing dates. The experimental design was a randomized block, with four replications, and six sowing dates. Although sowing was late, Giant Guinea sorghum showed anticipation in development stages due to sensibility to photoperiod; its dry matter production was low, nevertheless the species presented a better quality of forage mass. Due to the considerable capacity of dry matter production and ensiling potential, this species is a good option.

Keywords : Sorghum bicolor; yield; capacity power; photoperiod.

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