Árboles del Valle Central de Costa Rica: reproducción Cenízaro (Samanea saman (Jacq) Merril.)
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چکیده
منابع مشابه
An Overview on the Biological Perspectives of Samanea Saman (jacq.)merr (rain Tree)
The ancient Indian systems of medicine (AYUSH – Ayurveda, Yunani and Siddha) had explored many medicinal plants which can cure many diseases. The extracts of the medicinal plants possess remarkable biological perspectives. Rain tree (Samanea saman) is one of the tropical tree which possess a wide variety of pharmacological activities. The size of the rain tree generally attains maximum height o...
متن کاملUltra-structural studies on root nodules of Samanea saman (Jacq.) Merr. (Leguminosae).
Ultra-structural studies were conducted on root nodules of Samanea saman (Jacq.) Merr. collected from trees growing under natural conditions. Nodules were distributed singly as well as in clusters on the main and lateral roots. Mature nodules were elongated, branched and coralloid. Root hair curling was found but infection threads could not be observed. Rhizobia entered through the epidermis an...
متن کاملPotassium Flux and Leaf Movement in Samanea saman
Samanea leaflets usually open in white light and fold together when darkened, but also open and dose with a circadian rhythm during prolonged darkness. Leaflet movement results from differential changes in the turgor and shape of motor cells on opposite sides of the pulvinus; extensor cells expand during opening and shrink during closure, while flexor cells shrink during opening and expand duri...
متن کاملAnálisis de datos de calidad del aire de la Zona Metropolitana del Valle de México mediante técnicas de agrupamiento
Resumen. El cambio climático representa uno de los problemas a los que la sociedad actual se enfrenta, debido a sus impactos en la salud de los seres vivos. Es por ello que las autoridades necesitan de herramientas que les brinden la información necesaria para tomar decisiones que disminuyan el impacto de dicho cambio. En este trabajo, se propone una estrategia para agrupar los datos de la cali...
متن کاملEstudio comparativo del rendimiento de analizadores sintácticos para gramáticas de adjunción de árboles
In this paper, we study the behavior of some of the most popular parsing algorithms for Tree Adjoining Grammars (TAG). To this end, we apply a compilation technique allowing automatic transformation of parsing schemata into efficient implementations of their corresponding algorithms; which allows us to compare the performance of different parsers in an homogeneous environment. In our study, we ...
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ژورنال
عنوان ژورنال: Revista Forestal Mesoamericana Kurú
سال: 2014
ISSN: 2215-2504
DOI: 10.18845/rfmk.v11i27.1781