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Plant water status of apple trees and its measurement in the field. IV. Stomatal aperture, determined by infiltration scoring, as an index of leaf water potential

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Chapman, K.R. (1970) Plant water status of apple trees and its measurement in the field. IV. Stomatal aperture, determined by infiltration scoring, as an index of leaf water potential. Queensland Journal of Agricultural and Animal Sciences, 27 (2). pp. 219-224.

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Abstract

Stomata] aperture has been used by a number of workers as a physiological indicator of plant water status. With apples, early work shows that stomatal aperture may provide a useful and sensitive measure of plant responses to applied water and the onset of stress conditions. Leaf and fruit water potentials of Jonathan, Delicious and Granny Smith apples were measured using a dye method which is described. Compared with a vapour equilibration technique the differences did not exceed ±1 atm. for the 3 varieties tested.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Subjects:Science > Botany > Plant physiology
Plant culture > Irrigation farming
Plant culture > Fruit and fruit culture
Live Archive:23 Apr 2024 03:07
Last Modified:23 Apr 2024 03:07

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