Stomatal responses of cocoa (Theobroma cacao) to climatic factors

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1988

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Abstract

The stomatal response of cocoa {Theobroma cacao Linn.) leaves to ambient humidity, light and temperature was studied under low and high soil-moisture regimes. The stomatal diffusion resistance increased with decrease in relative humidity, which was magnified by soil-moisture stress. However, the effects of light and temperature were not so pronounced as that of humidity. Stomatal regulation by internal (stress) and external factors (humidity) led to a decrease in transpiration rate, which was a major strategy for water conservation in cocoa plants.

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Indian J.Agrl.Sci.1988 v-58 i-3 p-213-216

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