Descripción de semillas silvestres de Euphorbia strigosa Hook and Arn del estado de Nayarit, México
2017
Valdez-Hernández, Edna F. | Juárez-López, Porfirio | Pedraza-Santos, Martha E. | Zamora-Becerra, Bernabé L. | Martínez-Cárdenas, Leonardo | Colinas-León, María T.
In Mexico, Euphorbia strigosa has been identified as a species with ornamental potential, as a result of its color and small size (35 cm, is considered a dwarf version of Euphorbia pulcherrima). The difficulty in the conservation of E. strigosa is found in the great variability of its seeds depending on environmental and genotypic conditions where the species grows. Therefore, the objective of the present study was to describe the seeds of E. strigosa wild plants of the State of Nayarit, México (2013-2014). Group variables of 1000 and 100 seeds were measured, as well as the number of seeds in 1 g and in 10 mL. In addition, a sample of 130 seeds from each year were individually assessed for physical variables. The seeds were classified according to three degrees of luminosity of the brown color (Clear medium and dark) and four weight ranges (3.0-8.0; 8.1-13.0; 13.1-18.0 y > 18.1 mg). Based on the classification of factors: Year of collection, lightness of coffee color and weight, 22 subgroups were formed. In each subgroup the percentage of germination was evaluated. There were significant differences in all characteristics evaluated, which indicates the morphogenetic diversity of the seeds collected.
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تم تزويد هذا السجل من قبل Universidad de Córdoba