Botany Studies Botany Studies – Botany is the study of plants and here you can get full educational definition and complete information related to botany. we provide full information about Plant Physiology, Plant Morphology, Plant Ecology, Plant Diversity, Plant Families, Photosynthesis And Botanical classification of plants
Here are following theories which explain the ascent of sap in plants: a) Root pressure (b) Capillarity (c) Vital theory and (d) Cohesion-tension theory. (a) ROOT PRESSURE The hydrostatic pressure generated in the root which forces the water upward in the stem is called root pressure. Root pressure forces the water up from below. But it is believed that root ...
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