Effect of Carbon Dioxide, Osmotic Potential of Nutrient Solution, and Light Intensity on Transpiration and Resistance to Flow of Water in Pepper Plants 1

AUTOR(ES)

Janes, B. E.

RESUMO

The rate of transpiration, temperature of the leaves, and relative water content of leaves of pepper plants were measured in a small chamber in which the temperature, relative humidity, and carbon dioxide concentration of recirculated air were controlled and measured. The data reported were obtained by noting the response of pepper plants to all combinations of the following treatments: high light, 1.5 × 106 ergs per square centimeter per second; low light, 3.0 × 104 ergs per square centimeter per second; three levels of CO2: 50, 268, and 730 parts per million; nutrient solution osmotic potentials of −0.5, −5.0, −7.5, and −9.5 bars.

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