, Research Papers

Instrument-based distortions of leaf/air temperature differences and interpretations of bean drought stress resistance

Research Papers
C.J. Coulson
Department of Crop Science, The University of Nairobi. Nairobi. Kenya
C.J. Stigter
Department of Crop Science, The University of Nairobi. Nairobi. Kenya
E. Akundat
Department of Crop Science, The University of Nairobi. Nairobi. Kenya
E. Floor-Drees
Department of Crop Science, The University of Nairobi. Nairobi. Kenya
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Keywords

Leaf/air temperature differences
Resistance
Drought stress

How to Cite

Instrument-based distortions of leaf/air temperature differences and interpretations of bean drought stress resistance. (1988). Tropical Agriculture, 65(4). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1960
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Abstract

Leaf/air temperature differences (?T) were measured for Phaseolus acutifolius Gray and three cultivars of Phaseolus vulgaris L. Two instruments having different measurement principles were used for leaf temperature and two sources of air temperature were used. Values of ? T differed depending on the instrument combination used, in this way affecting the interpretation of the plant's response to drought stress. Proper understanding and explanation of measuring techniques are shown to be an even more important prerequisite for parameters that are not easily observed directly.
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