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- Title
<sup>14</sup>C-Studies on Apple Trees. VI. The Influence of the Fruit on the Photosynthesis of the Leaves, and the Relative Photosynthetic Yields of Fruits and Leaves.
- Authors
Hansen, Poul
- Abstract
When paired samples of either intact or detached apple shoots with an without fruit were exposed simultaneuosly to 14CO2, the uptake of 14CO2 per cm² of leaf area was found to be greater in the fruit-bearing shoots, often by a factor of 1.5 or more, although the difference tends to be slight or even non-existent when the experiments follow shortly after a previous dark period. The uptake of 14CO2 by photosynthesis in the skin of detached fruits is very slight compared to the simultaneous uptake of 14CO2 by the leaves from the same spur, and can hence contribute only slightly to the development of the fruit compared with the supply of assimilates taking place from the leaves to the fruit.
- Subjects
APPLES; FRUIT development; PHOTOSYNTHESIS; EFFECT of light on plants; LEAF anatomy; PLANT physiology
- Publication
Physiologia Plantarum, 1970, Vol 23, Issue 4, p805
- ISSN
0031-9317
- Publication type
Article
- DOI
10.1111/j.1399-3054.1970.tb06477.x