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Abstract Detail

Physiological Section

Hassan, Abdullahi Gana [1].

The significance of osmosis in water balance among the tropical vascular plants.

The balance in supply and loss of water is regarded as an important prerequisite for plant occurrence, growth and productivity. Water balance in higher plants is understood as the difference between uptake by the root and loss through the shoot. The amount of water required by a higher plant to grow and develop is by far more than the demand of other materials such as ions, light and carbon dioxide (CO2). Depending on the environmental conditions such as temperature and plant type but the amount of water transported within plant is more than the mass of its leaves. Transpiration occurs when plant open their stomata to allow assimilation of CO2 which enters the leaves along a concentration gradient. This mechanism regulates the exchange of water vapour and CO2 to optimize water loss. Water flow in plants is generally passive and is not driven by metabolic energy. Regulation of water flow happens at certain critical point adjusting flow resistances.

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1 - Yobe State University, Department of Biological Sciences, Faculty Science, Damaturu, Yobe State, 234, Nigeria

plant growth
water transport.

Presentation Type: Oral Paper:Papers for Sections
Session: 53
Location: Salon 16/The Shaw Conference Centre
Date: Tuesday, July 28th, 2015
Time: 3:00 PM
Number: 53005
Abstract ID:838
Candidate for Awards:None

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