9 research outputs found
Rosetas e concrescências cristalinas silicificadas em Piper (Piperaceae): registros inéditos de macropadrões
Morphological characterization of fruit, seed and seedling and germination of Hymenaea courbaril L. (Fabaceae) ('Jatobá')
Caracterização farmacognóstica de Piper arboreum var. arboreum e P. tuberculatum (Piperaceae)
Caracterização morfológica e germinação de sementes de Curitiba prismatica (D. Legrand) Salywon & Landrum
Rendimento, composição quÃmica e atividades antimicrobiana e antioxidante do óleo essencial de folhas de Campomanesia adamantium submetidas a diferentes métodos de secagem
First record of the chemical composition of essential oil of Piper bellidifolium, Piper durilignum, Piper acutilimbum and Piper consanguineum from the Brazilian Amazon forest
Morfoanatomia da plântula e comparação da folha nas fases juvenis e adulta de Piptocarpha angustifolia (Asteraceae)
Effect of soil contaminated by diesel oil on the germination of seeds and the growth of Schinus terebinthifolius Raddi (Anacardiaceae) Seedlings
The effect of soil polluted by diesel oil on the germination of seeds and the growth of Schinus terebinthifolius Raddi seedlings was analyzed at different times after contamination of the soil. The experiments were conducted under greenhouse conditions, with four treatments and five repetitions. The four treatments included: soil contaminated 30 (T30), 90 (T90) or 180 (T180) days before planting as well as a non-polluted soil (T0) (control). Soil saturated to 50% of its maximum retention capacity (MRC) was contaminated with diesel oil at a rate of 92.4 mL per kg. The germination rate and germination speed index (GSI) were significantly affected only in T30. The development of the plants was affected significantly in all the treatments, with reductions of biomass and eophyll area. It could be concluded that diesel oil significantly affected the germination, GSI and seedling growth of S. terebinthifolius, but the toxic effect decreased over the time