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Plant water status of apple trees and its measurement in the field. I. The dye technique for measurement of leaf water potential

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Chapman, K.R. (1970) Plant water status of apple trees and its measurement in the field. I. The dye technique for measurement of leaf water potential. Queensland Journal of Agricultural and Animal Sciences, 27 (2). pp. 203-209.

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Abstract

A suitable field index of plant water stress was required for studies involving water usage by apple trees. A dye technique, developed after Shardakov's technique, and modified for use with leaf discs, is described. An assessment of the effects of disc size and equilibration time on measured water potentials is made for three apple varieties under different stress conditions. The larger disc size (16 mm diam.) and an equilibration time of 4 hr were chosen to minimize early "time" effects and contamination errors, which are discussed in relation to measured potentials.

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 03:19
Last Modified:23 Apr 2024 03:19

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