VARIABILITY IN MORPHOLOGICAL CHARACTERISTICS, VIABILITY AND GERMINATION OF SEEDS OF Cucurbita okeechobeensis subsp. martinezii.
Abstract
Cucurbita okeechobeensis martinezii (L.H. Bailey) is an endangered wild species from Mexico. To contribute to its conservation, we conducted a search for specimens in three areas of the cloud forest in Veracruz, Mexico. A completely randomized design was established to evaluate the morphometric variation, the viability of the seeds from the different locations and the effects of three spectra of LED light on their germination in vitro, using Murashige and Skoog medium with 2 mgL-1 of gibberellic acid. (GA3). Differences were detected in morphological and seed viability between the evaluated sites. The highest values of seed length and viability were observed at the San Marcos site. The positive effect of the red LED light spectrum on the germination percentage and the growth of germinated seedlings in vitro was confirmed. These results can contribute to the conservation and propagation of this valuable genetic resource.
Copyright (c) 2022 Lourdes Georgina Iglesias Andreu
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