Avaliações biométricas em plantas jovens de Ateleia glazioviana Baill. submetidas a regimes hídricos

Abstract

The objective of the present work was to evaluate the effect of water condition on the biometric characteristics of Ateleia glazioviana Baill seedlings. The seedlings came from seeds, acquired by the company Arborcenter. The sowing was done in black plastic bags of 15x20 cm, where three seeds were sown per container and filled with a mixture of 70% of substrate composed in a proportion of 2: 1: 1 (black soil, bovine manure and carbonized rice straw) and 30% sand. The statistical design used was completely randomized (DIC), represented by three water treatments: Treatment 1 (T1): control with (irrigation) at 80% WC. Treatment 2 (T2): With recovery (water deficit) 14 days, and well-watered 8 days. Treatment 3 (T3): continuous stress for 22 days. Seedlings. The variables analyzed were: (VR), (CR), (MSF), (MSC), (MSR), (MST), (H / D), (H / MSPA), (MSR / MSPA) and (IQD) The biometric responses of the seedlings obtained to the water conditions of continuous stress, recovery and control did not follow a pattern inferring that the species has a great genetic plasticity. The species of Ateleia glazioviana Baill has tolerance to water stress of at least twenty-two days, at the seedling stage.