Resumo

MAQUEIRA-LOPEZ, Lázaro A. et al. Behavior of growth and agricultural yield of two sorghum varieties (Sorghum bicolor L. Moench) in the dry season in Los Palacios town. cultrop [online]. 2016, vol.37, n.3, pp. 103-108. ISSN 1819-4087.  http://dx.doi.org/10.13140/RG.2.1.1535.7682.

This work was developed at Basic Scientific and Technological Unit of “Los Palacios” with the objective of evaluating the behavior of growth and yield of two sorghum varieties (Sorghum bicolor L. Moench) in Los Palacios town. The varieties Gilded ISIAP and CIAP 132 R were used, which were sowed in the sowing dates of December, 2009 and February, 2010. The technology of direct sowing was used and the cultural activities were developed according to that recommended by the Crop Technical Instructive. A Randomized complete experimental design with four replicas was used. The dry mass distribution of the air part and the leaf area index, in 10 plants for each parcel, every 15 days until the physiologic maturity, were evaluated. With these variables the dynamics of growth were established and the agricultural yield was determined, data that were processed by T Student, to 5 % of error probability. Considering the results it can be concluded that yields were influenced by sowing date and its biggest values were in correspondence with a bigger development of the leaf surface. Both varieties can be used in the town since their productive results exceed the values set in Cuba for sorghum crop

Palavras-chave : dry matter content; growth; yield; sorghum.

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