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Measuring Leaf-water Potential in Chickpea with a Pressure Chamber†

Published online by Cambridge University Press:  03 October 2008

M. V. K. Sivakumar  and
S. M. Virmani
M. V. K. Sivakumar
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), 1–11–256 Begumpet, Hyderabad 500016, India
S. M. Virmani
Affiliation:
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), 1–11–256 Begumpet, Hyderabad 500016, India
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Summary

The pressure-chamber technique has been used for the first time to measure leaf-water potentials in chickpea under field conditions. Available soil-water contents at different depths for irrigated and non-irrigated crops are presented along with the diurnal variation in leaf-water status, to show that pressure-chamber measurements correspond closely with available soil water. Leaf-water potential has also shown differences in leaf-water status among different cultivars. The rapidity and ease with which measurements can be made in the field make the technique suitable for quick measurements of leaf-water status for chickpea.

Type
Research Article
Information
Experimental Agriculture , Volume 15 , Issue 4 , October 1979 , pp. 377 - 383
Copyright
Copyright © Cambridge University Press 1979

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References

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