Abstract
THE phenomenon of climacteric rise in respiration of ripening fruits is not fully understood. Blackman and Parija1 explained the rise in respiratory activity in apples on the assumption that in the senescent stage a lowering of ” hydrolysis-resistance” occurs leading to a greater production of effective substrate for respiration. Kidd and West2 have attributed the initial increase in carbon dioxide output during senescence to the action of some ” protoplasmic factor”. Gustafson3 has demonstrated that the rate of respiration is very greatly influenced by the pH of the cell-sap, lower values of pH being usually associated with higher rates of respiration, and in a later communication4 suggests that the climacteric rise is probably due to a lowering of pH, of the cell-sap.
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References
Blackman and Parija, Proc. Roy. Soc., B, 103, 412 (1928).
Kidd and West, Proc. Roy. Soc., B, 106, 93 (1930).
Gustafson, J. Gen. Physiol., 2, 617 (1920).
Gustafson, Plant Physiol., 4, 349 (1929).
Willaman and Brown, Plant Physiol., 5, 535 (1930).
Maquenne, C.R., 119, 100 (1894).
Singh and Mathur, ” An Adaptation of Haldane's Gas-Analysis Apparatus” (in the press).
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SINGH, B., MATHUR, P. Dissolved Carbon Dioxide and the Ripening of Tomatoes. Nature 137, 704–705 (1936). https://doi.org/10.1038/137704a0
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DOI: https://doi.org/10.1038/137704a0
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