INFLUENCE OF THE HERBICIDE GLYPHOSATE ON THE GERMINATION AND VIGOR OF SEEDS OF Inga edulis Mart. (Fabaceae) AND Myrciaria dubia (Myrtaceae) IN COLOMBIAN AMAZON
DOI :
https://doi.org/10.47847/Mots-clés :
Abiotic diseases, Forest Pathology, Recalcitrant seeds, SilvicultureRésumé
Molecules of the herbicide glyphosate dispersed in the environment can act as agents of environmental contamination and reduce the germination and vigor of seedlings and seeds of forest species in areas of intensive use of this molecule, such as the Amazon Forest in Colombia. In this area, the presence of the species Inga edulis and Myrciaria dubia is common, species that are understudied in relation to various ecological factors. Therefore, this article aimed to evaluate the influence of the presence of glyphosate on the germination and vigor of seeds of I. edulis and M. dubia. The tests were conducted separately; in both, the seeds were soaked for 30 minutes in glyphosate solutions (0.0, 1.8, 3.6, 5.4, and 7.2 g L⁻¹). Each treatment corresponded to one concentration and consisted of four replicates of 25 seeds each. The seeds were sown in paper rolls and in sand, evaluated until germination and vigor establishment. The described results were analyzed using ANOVA and Tukey's test. The influence of the presence of glyphosate doses (1.8, 3.6, 5.4, and 7.2 g.L-1) is negative, reducing the germination and vigor of seeds of I. edulis and M. dubia.
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