Maurício H. Okada

Physiological Changes in Seeds of Solanum paniculatum L. during Heat Stress

Girlânio H. da Silva, Rute Q. Faria, Jordânia X. Medeiros, Larissa Chamma, Maurício H. Okada & Gisela Ferreira · Journal of Experimental Agriculture International · 2019

Physiological changes occur in seeds before and during the germination process when subjected to high temperatures. Considering that Solanum paniculatum presents an adaptation to different environments, the aim of this study was to evaluate physiological changes of level of heat...

Open access Research Article 10.9734/JEAI/2019/46497

Effect of Priming on Physiological Quality of Handroanthus serratifolius (Vahl.) Seeds

Girlânio H. Silva, Anderson C. José, Fabrício P. Teixeira, Luciana M. Gonzaga, Raul R. Molina, Jordânia X. Medeiros, Maurício H. Okada & Larissa Chamma · Journal of Experimental Agriculture International · 2019

This work aimed to evaluate the effect of different priming treatments in the longevity of H. serratifolius seeds. Seeds were osmo-conditioned in PEG -1.0 MPa at 10, 15 and 20°C or hydro-primed at 5, 10 and 15°C. Final germination, speed and uniformity of germination were assesse...

Open access Research Article 10.9734/jeai/2019/v31i330071