SOBREVIVÊNCIA E CRESCIMENTO INICIAL DE PINHÃO-MANSO EM FUNÇÃO DA ÉPOCA DE PLANTIO E DO USO DE HIDROGEL THE EFFECT OF PLANTING SEASON AND HYDROGEL ON SURVIVAL AND INITIAL GROWTH

The experiment aimed to compare the effect of hydrogel use and seasonal planting on the survival and initial growth of Jatropha curcas L. seedlings in western Parana state. Treatments included planting of seedlings from three provenances of physic nut (Pedro J. Caballero, Nova Porteirinha and Janauba) subjected or not to root immersion in hydrogel (5.0 g L -1 ) and four planting seasons (spring, summer, autumn and winter). The experimental used a randomized block design with five repetitions for each planting season. Ninety