Abstract

PEREZ REYES, Claudia María; FUENTES GONZALEZ, Mumboko Wilfrid  and  GEADA LOPEZ, Gretel. Capacidad reproductiva de Pinus caribaea Morelet var. caribaea Barret y Golfari en la unidad de producción de semilla mejorada Marbajita. Rev cubana ciencias forestales [online]. 2020, vol.8, n.2, pp.333-343.  Epub Aug 10, 2020. ISSN 2310-3469.

The study allows to evaluate the reproductive capacity of Pinus caribaea through the behavior of the reproductive indicators during two consecutive years. A sample of 109 cones was taken from trees in the improved seed production unit Marbajita-Cajálbana, corresponding to an area of natural pine forests in the municipality of La Palma. The characterization of their cones was made from their dimensions, besides determining the variables related to seed production such as fertile and infertile flakes, vain and full seeds, seed potential and efficiency, proportion of full and vain seeds, inbreeding index and germination percentage. Results related to cone length showed significant differences for the years evaluated, with the lowest values reported in 2016. High rates of inbreeding were evidenced above 12 %, acceptable for the species and for areas intended to produce improved seed. Germination was higher in 2017 with 100 %.

Keywords : Reproductive indicators; Pinus caribaea var. caribaea; Reproductive capacity..

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