Comparative gas exchange characteristics of potted, glasshouse-grown almond, apple, fig, grape, olive, peach and Asian pear
Net photosynthesis ( P n), dark respiration ( R d), transpirational flux density (TFD) and leaf conductance ( k l) on glasshouse-grown plants of almond, apple, fig, grape, olive, peach and Asian pear were examined under various laboratory environmental conditions. Grape and almond had the highest li...
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Published in | Scientia horticulturae Vol. 52; no. 4; pp. 313 - 329 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
Amsterdam
Elsevier B.V
1992
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | Net photosynthesis (
P
n), dark respiration (
R
d), transpirational flux density (TFD) and leaf conductance (
k
l) on glasshouse-grown plants of almond, apple, fig, grape, olive, peach and Asian pear were examined under various laboratory environmental conditions. Grape and almond had the highest light-saturated photosynthetic rates, greater than 20 μmol CO
2 m
−2 s
−1. Apple had the lowest temperature optimum for
P
n, 20°C. Almond had the highest
R
d rate between 10 and 50°C, but grape had the highest
Q
10 for respiration, a value of 2.5. Apple, olive and grape stomata were most sensitive to the leaf-to-air vapor pressure difference. Apple had the greatest sensitivity of
P
n to the vapor pressure difference. |
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Bibliography: | F61 F60 9300963 |
ISSN: | 0304-4238 1879-1018 |
DOI: | 10.1016/0304-4238(92)90032-8 |