Selection of rice promissory lines (Oryza sativa L.) from plant breeding program in "Los Palacios"

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Published: Mar 17, 2016
Keywords:
rice, selection, plant breeding, statistical methods

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Rogelio Morejón
Instituto Nacional Ciencias Agrícolas (INCA)

Abstract

The study was carried in the rainy season in areas of “Los Palacios” Technological Scientist Unit of Base, belonging to the National Institute of Agricultural Sciences with the objective of selecting promissory lines resultants of Rice Breed Program. The materials were distributed according to a Modified Augmented Design (MAD), which was structured by a Latin Square (3x3), with three controls lines (INCA LP-5, IACUBA-25 and Reforma) and 66 test lines. The data were processed by statistical multivariate techniques of Cluster Analysis and Multiple Lineal Regression. Panicle length, panicle for m2, full grains for panicle, barren grains for panicle, weight of 1000 grains, agricultural yield, cycle to 50 % flowering and final height of the plants were evaluated. The results showed strong correlations between yield and full grains for panicle and weight of 1000 grains; the multiple lineal regression analysis proposes a model for the yield dependent variable and the combination of MAD and Cluster Analysis allowed the selection of 27 promissory lines to include in advanced studies in this crop, completing their characterization and evaluating their resistance to pests.

Article Details

How to Cite
Morejón, R. (2016). Selection of rice promissory lines (Oryza sativa L.) from plant breeding program in "Los Palacios". Cultivos Tropicales, 36(4), 126–132. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/1101
Issue
Vol. 36 No. 4 (2015)
Section
Original Article

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