Japanese Journal of Crop Science
Online ISSN : 1349-0990
Print ISSN : 0011-1848
ISSN-L : 0011-1848
Studies on the Photosynthesis of Sugar Beet Plants : (1) Changes in the photosynthetic ability under field condition
Eiji OSHIMA
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1958 Volume 27 Issue 1 Pages 141-142

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Abstract
Experiments were carried out to investigate the photosynthetic activities of sugar beet plants. The results obtained are as follows: Each leaf of sugar beet plants had its own activity and the youngest matured leaf showed the highest activity. Photosynthetic amount per plant growing in the sugar beet plant community increased with enlargement of total leaf area but the amount did not increase at the same rate of enlargement of leaf area, then the ability decreased with reduction of total leaf area at maturing stage. Photosynthetic amount per 100 cm2 (leaf area) became lower in proportion to enlargement of total leaf area and showed the lowest amount at the maximum leaf area. Consequently it may be concluded that the leaves were shaded with each other and the light receiving coefficient became lower at the most flourishing stage.
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© Crop Science Society of Japan
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