The intake curve for calcium into apple fruits under various environmental conditions
作者:
J. Tromp,
期刊:
Communications in Soil Science and Plant Analysis
(Taylor Available online 1979)
卷期:
Volume 10,
issue 1-2
页码: 325-335
ISSN:0010-3624
年代: 1979
DOI:10.1080/00103627909366898
出版商: Taylor & Francis Group
关键词: Calcium;apple;environment
数据来源: Taylor
摘要:
The effect of a few environmental factors on calcium intake into fruits was studied in potted trees (cv. Cox's Orange Pippin and Schone van Boskoop) kept under either fully controlled or outdoor conditions. Contrary to the usual pattern of orchard trees, the intake curve did not flatten after mid‐July but showed a substantial increase which persisted until harvest. Only at a root temperature of 6°C did Ca intake slow down appreciably. It is postulated that this additional Ca movement may occur in the phloem and may be controlled by the rate of fruit growth.
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