Germination of Macroptilium lathyroides seeds as a function of the presence of salts on the substrate
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.002.0007Palabras clave:
Salt Stress, Weeds, Osmotic PotentialResumen
Weeds are species evolutionarily adapted to development in areas of disorders caused by man or not. Adoption of practices to control and integrated weed management, it is essential the knowledge related to germination and environmental factors that interfere with seed germination processes. In this context, the present work aimed to evaluate the behavior of Macroptilium lathyroides seeds in response to different levels of osmotic potential induced NaCl and CaCl2 solutions. The experiment has been organized in a completely randomized design in a factorial 2 x 6, consisting of two salts in concentrations 6 with 4 repetitions. The seeds were kept in on moistened gerboxes germibox roles with NaCl and CaCl2 solutions at the potentials of 0.0; - 0.2; - 0.4; -0.6; -0.8 and -1.0 MPa. Daily reviews by germination, IVG and end ten days were determined shoot length, root length and plantlet dry weight were performed. The results demonstrated that salt stress induced by NaCl and CaCl2 provokes a gradual reduction in germination of M. lathyroides there is no tolerance limit. The NaCl The salt was more critical root development and of the seedlings dry weight.
Descargas
Descargas
Publicado
Número
Sección
Licencia
La CBPC - Companhia Brasileira de Produção Científica (CNPJ Brasil: 11.221.422/0001-03) tendrá los derechos materiales de los trabajos publicados. Los derechos se refieren a la publicación del trabajo en cualquier parte del mundo, incluyendo los derechos a las renovaciones, expansiones y diseminaciones de la contribución, así como otros derechos subsidiarios. Todos los trabajos publicados electrónicamente podrán posteriormente ser publicados en colecciones impresas bajo coordinación de esta empresa y / o sus socios. El (los) autores (as) conservan los derechos de autor, pero no están autorizados a publicar la contribución en otra medio, impreso o digital, en portugués o traducción.