Substratos para a produção de mudas de jatobá (Hymenea coubaril L.).

Abstract

Mato Grosso was the second state in which deforestation occurred the most, between 2013 and 2014 with 1075 km² of deforested area. In order to recover these areas, induced reforestation is a viable alternative that can be employed and stimulated. In this sense, one of the species indicated for the reforestation is jatobá (H. coubaril L). The objective of this work was to evaluate the best substratum for the production of seedlings using low technological level. It was evaluated sis substrates. T1: soil, T2: washed sand, T3: commercial substrate, T4: soil and commercial substrate (ratio 1:1), T5: washed sand and commercial substrate (ratio 1:1), T6: soil, washed sand and commercial substrate (ratio 1:1:1). It was evaluated the plant height, number of leaves per plant, stem diameter and dry matter determination at 20, 40, 60 and 80 days after sowing. The last two variables only in the last season. The analysis of variance showed that there was no difference between the substrates evaluated. It is possible the production of seedlings of Jatobá (H. coubaril L.) with all the substrates tested, with adoption of low technological level.