Germinação e vigor de sementes de soja tratadas com silício

Abstract

The treatment of soybean seeds with silicon (Si) has been proposed as a tool capable of promoting a series of beneficial agronomic effects to them and to the plants, maintaining or improving their performance. In this sense, the aim of this study was to evaluate the germination and vigor of soybean seeds treated with silicon. The experiment was carried out at the Agricultural Laboratory of the Federal Institute of Piauí (IFPI) – Campus Uruçuí. A completely randomized design with four replications was used. The treatments consisted of using different doses of silicon (2, 4 and 8 mM) and the control was treated only with distilled water. The syrup was applied in plastic bags (3 L) and spread internally, promoting contact with the seeds. The whole was shaken for 3 minutes and drying was carried out under ambient conditions for 24 hours. The variables analyzed were germination, first germination count, shoot and root length, and shoot and root mass. The data obtained were subjected to analysis of variance by the “F” test and the means were compared by the Tukey test at 5% probability, using the statistical program SISVAR version 5.3 (Build 75). Only the first germination count and root growth variables were statistically significant for the silicon doses. It was concluded that the treatment of soybean seeds with silicon positively influences the first germination count and root length at concentrations of 2 mM and 4 mM