Selected Studies on the Absorbtion and Distribution of 45 CA in Bean Plant
Conlon, Thomas P.
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we shall concern ourselves with some of the work involving the pattern of circulation of calcium in plants, which is actually the subject of the experimental work done. It can be stated that it is an accepted fact that calcium in normal, growing plants, coming from root absorption, is moved preferertia1ly to younger leaves. This has been demonstrated in bean, apple, and other plants. There is, apparently, no evidence to the contrary. Some authors report that larger amounts move to younger leaves in absolute amount, whereas others report this only on a per weight of the plant part basis. Therefore, it is sure that at least with respect to the total plant mass, a relatively greater amount moves to the younger foliage. The preferential routing of calcium to young leaves and plant parts has also been demonstrated in other systems.