INSTRUMENT FOR NONDESTRUCTIVE MEASUREMENT OF THE PRESSURE POTENTIAL (TURGOR) OF LEAF-CELLS

被引:14
作者
HEATHCOTE, DG
ETHERINGTON, JR
WOODWARD, FI
机构
[1] Department of Plant Science, University College, Cardiff CF1 1XL
关键词
D O I
10.1093/jxb/30.4.811
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
An instrument is described which permits the non-destructive measurement of the mean pressure potential (turgor)of leaf lamina cells. Calibration shows that the instrument gives a voltage output which is linearly related to mean pressure potential of living leaf cells as determined with a pressure chamber. Measurements may be made very quickly in the field or controlled environment with a resolution of at least 50 k Pa. © 1979 Oxford University Press.
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页码:811 / 816
页数:6
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