Resumo

NODA-LEYVA, Yolai  e  MARTIN-MARTIN, Giraldo Jesús. Effect of planting distance on the yield of Morus alba (L.) var. yu-12. Pastos y Forrajes [online]. 2017, vol.40, n.1, pp. 23-28. ISSN 2078-8452.

In order to evaluate the effect of planting distance on the dry matter yield of Morus alba, variety yu-12, a study was conducted for two years at the Pastures and Forages Research Station Indio Hatuey. The planting distances were: 1,30 x 0,20 m; 1,30 x 0,40 m and 1,30 x 0,60 m. The dry matter yield of the edible biomass (DMYEB), and the dry matter yield of the leaves (DMYL) and of the fresh stems (DMYFS) were measured. In the first year there were no significant differences among the planting distances for any of the studied variables, and the annual DMYEB were 10,91; 9,55 and 9,58 t/ha/year for 0,20; 0,40 and 0,60 m of distance between plants, respectively. In the second year significant differences were found for all the variables in favor of the lowest planting distance (0,20 m); the DMYEB increased: 13,44; 10,94 and 10,06 t/ha/year for 0,20; 0,40 and 0,60 m. It is concluded that during the first year of exploitation the DM yield was not influenced by the planting distance between plants; likewise, the DM yields of the edible biomass, leaves and fresh stems were higher during the second year of exploitation with the distance of 1,30 m between rows and 0,20 m between plants, and they increased with regards to the first year, for which the persistence of the crop and its regrowth capacity was remarkable.

Palavras-chave : biomass; mulberry; sexual reproduction.

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