EFFECTS OF LEAF SHAPE AND BOUNDARY LAYER THICKNESS ON PHOTOSYNTHESIS IN COTTON (GOSSYPIUM HIRSUTUM)

被引：30
作者：
BAKER, DN
MYHRE, DL
机构：
[1] Soil and Water Conservation Research Division, USDA, AHS, Boll Weevil Research Laboratory
[2] Mississippi Agricultural Experiment Station, State College, Mississippi
来源：
PHYSIOLOGIA PLANTARUM | 1969年 / 22卷 / 05期
关键词：
D O I：
10.1111/j.1399-3054.1969.tb07463.x
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
In upland cotton (Gossypium hirsutum L.) certain varieties are available with the mutant character “okra” leaves. These deeply lobed leaves were found to have thinner boundary layers than their normal analogues. Apparent photosynthesis and transpiration measurements were made in field‐grown stands under a variety of light intensities and carbon dioxide levels to assess the effect of leaf boundary layer diffusion resistance on photosynthetic efficiency. The thinner boundary layers associated with deeply lobed “okra” cotton failed to euhance carbon fixation rates per unit land area. It was concluded that the leaf boundary layer resistance under field conditions is small compared with the total CO2 diffusion resistance. Copyright © 1969, Wiley Blackwell. All rights reserved
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页码：1043 / &
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