Agronomic response of newly-introduced common bean (Phaseolus vulgaris L.) cultivars in Cuba
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Abstract
from “José Castellanos” Strengthened Credit and Service
Cooperative (SCSC), located in Santa Cruz del Norte
municipality, with the aim of evaluating the agronomic
response of 12 common bean cultivars, introduced into
the collection of Local Agricultural Innovation Program
(LAIP), which is developed at the National Institute of
Agricultural Sciences (INCA), in order to diversify the
present germplasm. The study arose from the need of having
better crop cultivars to replace the existing ones, regarding
their response to the specific conditions of each country area.
Sowing was performed in the second half of January 2009,
including the pre-commercial cultivars Santiago-3 (S-3)
and Hg-8 (Holguín-8), preserved at LAIP work collection.
Both sowing and cultural practices followed the guidelines
established by technical instructions. Among other results,
it was generally observed that the cultivars under study
showed significant differences (p≤0.05) in pod number per
plant (PNP), grain number per pod (GNP), 100-grain weight
(100GW) and yields in kg ha-1. Grain length and width
had distinct responses between cultivars; therefore, these
traits can be used to characterize bean germplasm. After a
complete analysis of results, Hg-8, R-5, R-11, R-6 and R-4
cultivars were highlighted for their best agronomic response
in the evaluated group.
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