e-ISSN 2231-8542
ISSN 1511-3701

Home / Regular Issue / JTAS Vol. 18 (2) Aug. 1995 / JTAS-0092-1995


Growth, Physiological Processes and Yield of Tomatoes Grown in Different Root Zone Volumes using Sand Culture

Mohd Razi Ismail and S. Dalia

Pertanika Journal of Tropical Agricultural Science, Volume 18, Issue 2, August 1995

Keywords: tomato, root zone volumes, growth, water relations, mineral nutrition, yield

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The effects of different root zone volumes (2000, 4000 and 6000 cm?) on growth, water relations, stomatal responses, photosynthetic rate, mineral nutrition and yield of tomatoes (Lycopersicon esculentum Mill.) grown in sand culture were investigated . The plants were sampled for growth analysis fortnightly for a 56-day period. Leaf growth, stem and root dry weights were significanlty reduced with root zone volumes o f2000 and 4000 cm?. Total fruit fresh weight was reduced when plants were grown with decreasing root zone volumes. Root zone volumes, however, did not produce a significant effect on percentage of fruit dry matter and total soluble solids. The reduction in plant growth and development was associated with reduction in water potential, photosynthetic rate and mineral nutrient uptake when plants were grown in root zone volumes of 4000 cm? or less.

ISSN 1511-3701

e-ISSN 2231-8542

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