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Extraction of apoplastic water during pressure-volume dehydrations

Extraction of apoplastic water during pressure-volume dehydrations

Agronomy Journal 77(5): 798-802

The fraction of water acting osmotically was determined from pressure-volume curves generated for leaves of watered and drought-stressed field-grown soyabeans in 1979 at Varna, New York. The midday leaf water potentials of the stressed treatments were -1.3 to -1.5 MPa and -1.6 to -2.2 MPa prior to and after day 218 (6 Aug.), resp.; the leaf water potential of the watered control was never less than -1.0 MPa.

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