Water Relations, Stomatal Responses and Physiological Changes of Lansium domesticum

Ismail, Mohd Razi and Zainal Abidin, Mohd Idris and Salleh, Ruziah (1993) Water Relations, Stomatal Responses and Physiological Changes of Lansium domesticum. Pertanika Journal of Tropical Agricultural Science, 16 (3). pp. 179-185. ISSN 0126-6128

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Abstract

The effects of water stress on growth, water relations and physiological changes of young Lansium domesticum plants were investigated. There was a significant reduction in leaf, stem and root dry weight with increasing water stress. Relative water content was reduced but stomatal density and chlorophyll content were increased with water stress. An increase in stomatal density ofplants subjected to water stress did not improve stomatal functioning as stomatal resistance was greater in these plants. This contributed to the reduction in leaf photosynthesis rate. Stomatal resistance of severely stressed plants did not reach a similar level as plants watered continuously after rewatering. Stomatal resistance of langsat was lower than dokong plants indicating that langsat exhibited a better stomatal control than dokong plants.

Item Type:Article
Keyword:Lansium domesticum, growth, relative water content, stomatal resistance, stomatal density, photosynthesis rate
Publisher:Universiti Putra Malaysia Press
ID Code:3190
Deposited By: Nasirah Abu Samah
Deposited On:24 Nov 2009 05:07
Last Modified:27 May 2013 07:06

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