Determination of the most important variables, heritability and phenotypic correlations, in onion (Allium cepa, L.) bulb production

Main Article Content

E. Lescay

Abstract

With the purpose to determine the most important
variables in onion bulb production, estimate the heritability in
each of them and evaluate phenotypical correlations among
them, four onion varieties were studied for three years in the
Niquero Multiple Crops Enterprise and the Territorial Station
pertaining to the Agriculture Research of Holguin, on an Eutric
Loose Red Ferralitic soil and a non-Carbonate Loose Brown
soil. Sowing was direct in double-row furrows with a frame of
0.90 m between them, 0.20 m between rows and 0.07 m between
plants. A Randomized block design with four replications was
used. Results showed that commercial yield, bulb weight, total
yield, first-class bulbs and leaf number per plant were the
most contributing variables to total phenotypical variance.
Bulb weight and leaf number per plant obtained the highest
positive and significant regression coefficients with bulb yield
and showed a high heritability with values of 62 and 86 %,
respectively.

Article Details

How to Cite
Lescay, E. (2013). Determination of the most important variables, heritability and phenotypic correlations, in onion (Allium cepa, L.) bulb production. Cultivos Tropicales, 27(4), 69–72. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/344
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Original Article