Citation
Ismail, Mohd Razi and W. J., Davies
(1997)
Reduction in leaf growth and stomatal conductance of capsicum
(Capsicum annuum) grown in flooded soil and its relation to abscisic acid.
Pertanika Journal of Tropical Agricultural Science, 20 (2/3).
pp. 101-106.
ISSN 0126-6128
Abstract
The effects of soil flooding on leaf growth, water relations, stomatal responses and abscisic acid (ABA) content
in young capsicum (Capsicum annuum L.) plants were studied under controlled environmental conditions.
Soil flooding induced early stomatal closure and leaf growth reduction without any reduction in leaf water deficit.
The undetectable changes in leaf water potential of plants grown in flooded soil persisted for 4 d. Thereafter, leaf
water potential was reduced to the minimum values. Xylem sap abscisic acid concentration was increased after
24 h of soil flooding, and increased rapidly with duration of flooding. Plants grown in flooded soil had higher
concentration of abscisic acid in leaves and flowers than the well watered plants. Under both conditions, abscisic
acid concentrations was higher in flowers than in leaves.
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