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Asian Journal of Plant Sciences
Year: 2011  |  Volume: 10  |  Issue: 2  |  Page No.: 153 - 157

Osmotic Adjustment and Quality Response of Five Tomato Cultivars (Lycopersicon esculentum Mill) Following Water Deficit Stress under Subtropical Climate

K. Nahar, S.M. Ullah and N. Islam    

Abstract: The experiment was conducted in the experimental field of Sher-e- Bangla Agriculture University, Dhaka Bangladesh to study the effect of water stress on fruit quality and osmotic adjustment in five tomato cultivars. The percentage of field capacity levels were 40-50, 53-67, 69-85 and 82-100%. The plants had a tendency to adjust against drop in potential in soil by producing organic solutes such as glucose, fructose, sucrose and proline. The quality of fruits was improved as a result of the synthesis of ascorbic acid, citric acid and malic acid. No physical damage due to stress was observed in fruits, which were over 90% red.

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