DOI: 10.1111/j.1399-3054.1969.tb07843.x. Photosynthesis, Respiration and Post‐illumination Fixation of CO<sub>2</sub> by Corn Leaves as Influenced by Light and Oxygen Concentration

Photosynthesis, Respiration and Post‐illumination Fixation of CO2 by Corn Leaves as Influenced by Light and Oxygen Concentration

10.1111/j.1399-3054.1969.tb07843.x

Crossref journal-article

Wiley

Physiologia Plantarum (311)

Abstract

AbstractThe effect of oxygen concentration on the rate of CO2‐uptake in continuous and intermittent light was studied as well as the CO2‐fixation during a short dark period after light was turned off. In addition the dark respiration and the CO2‐compensation point of attached and detached corn leaves were determined. Leaves of 4 to 22‐day old plants were used as experimental material. A closed circuit system of an infrared carbon dioxide analyzer was employed to measure the rate of CO2‐exchange. It was found that in an atmosphere consisting of 100 % oxygen, there was about 50 per cent inhibition of the rate of CO2‐uptake in continuous and intermittent light compared to that in an atmosphere consisting of 21% oxygen. The same was true of the rate of CO2‐fixation in darkness during a short period after the light was turned off. Since the response to oxygen concentration of the CO2‐uptake in light and of the CO2‐fixation in darkness after the light was turned off were similar, it is concluded that the fixation of CO2 in the short dark period represents an over‐ shoot of photosynthesis. The rate of dark respiration was little affected by the oxygen concentration in the ranges used in the experiments. The carbon dioxide compensation point which has been observed in leaves of 4 to 14‐day old plants was not influenced by either oxygen concentration or light intensity. Since the changes in the rate of CO2‐uptake due to changes in the concentration of oxygen and light intensity had no effect on the CO2‐compensation point, it is concluded that a reabsorption of respiratory CO2 by photosynthesis could not account for the low value of this point. These results are interpreted as a further corroboration of the statement that the leaves of corn lack the process of photorespiration and that dark respiration is inhibited in light.It was observed that the rate of the CO2‐uptake gradually increased in plants which were from 4 to 22‐days old. The inhibitory effect of high concentration of oxygen on the rate of CO2‐uptake was relatively higher in old plants than in young ones.

Bibliography

Poskuta, J. (1969). Photosynthesis, Respiration and Postâillumination Fixation of CO2 by Corn Leaves as Influenced by Light and Oxygen Concentration. Physiologia Plantarum, 22(1), 76â85. Portico.

Authors 1

J. Poskuta (first)

References 38 Referenced 18

10.1111/j.1399-3054.1966.tb07046.x
{'key': 'e_1_2_1_3_1', 'first-page': '220', 'article-title': 'Further studies of the effect of oxygen concentration on photosynthetic CO2 uptake in higher plants', 'volume': '66', 'author': 'Björkman O.', 'year': '1967', 'journal-title': 'Carnegie Inst. Wash. Year Book'} / Carnegie Inst. Wash. Year Book / Further studies of the effect of oxygen concentration on photosynthetic CO2 uptake in higher plants by Björkman O. (1967)
10.1038/2071373a0
10.1007/BF02139287
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10.1111/j.1399-3054.1967.tb07153.x
{'key': 'e_1_2_1_8_1', 'first-page': '293', 'article-title': 'Zum Problem der “Lichtatmung” bei grünen Pflanzen', 'volume': '40', 'author': 'Fock H.', 'year': '1964', 'journal-title': 'Beitr. Biol. Pflanz.'} / Beitr. Biol. Pflanz. / Zum Problem der “Lichtatmung” bei grünen Pflanzen by Fock H. (1964)
10.1016/0926-6585(64)90005-6
10.1104/pp.41.3.422
{'key': 'e_1_2_1_11_1', 'first-page': '428', 'article-title': 'Effect of oxygen on photosynthesis, photorespiration and respiration in detached leaves. II. Corn and other monocotyledons', 'volume': '41', 'author': 'Forrester M. L.', 'year': '1966', 'journal-title': 'Ibid.'} / Ibid. / Effect of oxygen on photosynthesis, photorespiration and respiration in detached leaves. II. Corn and other monocotyledons by Forrester M. L. (1966)
{'key': 'e_1_2_1_12_1', 'first-page': '225', 'article-title': 'The energy storage: Photosynthesis', 'volume': '1', 'author': 'Gaffron H.', 'year': '1960', 'journal-title': 'Plant Physiology. A Treatise'} / Plant Physiology. A Treatise / The energy storage: Photosynthesis by Gaffron H. (1960)
10.1016/S0031-9422(00)82799-5
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{'key': 'e_1_2_1_15_1', 'first-page': '417', 'article-title': 'Further studies on a new pathway of photosynthetic carbon dioxide fixation in sugarcane and its occurrence in other plant species', 'volume': '102', 'author': 'Hatch M. D.', 'year': '1967', 'journal-title': 'Ibid'} / Ibid / Further studies on a new pathway of photosynthetic carbon dioxide fixation in sugarcane and its occurrence in other plant species by Hatch M. D. (1967)
10.1007/BF00390153
10.1104/pp.43.3.464
Hoch G.&Owens O. H.:Photoreactions in respiration. —InPhotosynthetic Mechanisms of Green Plants. Publ. 1145. Nat. Acad. Sci.‐Nat. Res. Counc. Washington D.C.419–421.1963.
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{'key': 'e_1_2_1_20_1', 'first-page': '933', 'article-title': 'Der Einfluss von Sauerstoff auf die Photosynthese', 'volume': '5', 'author': 'Kessler E.', 'year': '1960', 'journal-title': 'Handbuch der Pflanzen-physiologie'} / Handbuch der Pflanzen-physiologie / Der Einfluss von Sauerstoff auf die Photosynthese by Kessler E. (1960)
{'key': 'e_1_2_1_21_1', 'volume-title': 'Plant Biochemistry', 'author': 'Kok B.', 'year': '1965'} / Plant Biochemistry by Kok B. (1965)
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10.1104/pp.39.4.523
{'key': 'e_1_2_1_29_1', 'first-page': '1187', 'article-title': 'Effects of metabolic inhibitors on the rates of CO2 evolution in light and in darkness of detached spruce twigs, wheat and soybean leaves', 'volume': '42', 'author': 'Poskuta G.', 'year': '1907', 'journal-title': 'Ibid'} / Ibid / Effects of metabolic inhibitors on the rates of CO2 evolution in light and in darkness of detached spruce twigs, wheat and soybean leaves by Poskuta G. (1907)
10.1007/BF02140811
10.1111/j.1399-3054.1968.tb07341.x
{'key': 'e_1_2_1_32_1', 'volume-title': 'Photosynthesis', 'author': 'Rabinowitch E. J.', 'year': '1945'} / Photosynthesis by Rabinowitch E. J. (1945)
{'key': 'e_1_2_1_33_1', 'first-page': '212', 'volume-title': 'Research in Photosynthesis', 'author': 'Tamiya H.', 'year': '1957'} / Research in Photosynthesis by Tamiya H. (1957)
10.1126/science.151.3715.1239
{'key': 'e_1_2_1_35_1', 'first-page': '2383', 'article-title': 'Carbon dioxide compensation in members of the Amaranthaceae and some related families', 'volume': '45', 'author': 'Tregunna E. B.', 'year': '1967', 'journal-title': 'Can. J. Rot.'} / Can. J. Rot. / Carbon dioxide compensation in members of the Amaranthaceae and some related families by Tregunna E. B. (1967)
10.1111/j.1399-3054.1966.tb07057.x
10.1111/j.1469-185X.1962.tb01607.x
10.1021/ja01155a011
10.1104/pp.41.10.1623

Dates

Type	When
Created	19 years, 4 months ago (April 30, 2006, 1:02 p.m.)
Deposited	1 year, 9 months ago (Nov. 10, 2023, 1:55 p.m.)
Indexed	4 weeks, 1 day ago (Aug. 6, 2025, 9:21 a.m.)
Issued	56 years, 8 months ago (Jan. 1, 1969)
Published	56 years, 8 months ago (Jan. 1, 1969)
Published Online	19 years, 4 months ago (April 28, 2006)
Published Print	56 years, 8 months ago (Jan. 1, 1969)

Funders 0

None

BibTeX

@article{Poskuta_1969, title={Photosynthesis, Respiration and Post‐illumination Fixation of CO2 by Corn Leaves as Influenced by Light and Oxygen Concentration}, volume={22}, ISSN={1399-3054}, url={http://dx.doi.org/10.1111/j.1399-3054.1969.tb07843.x}, DOI={10.1111/j.1399-3054.1969.tb07843.x}, number={1}, journal={Physiologia Plantarum}, publisher={Wiley}, author={Poskuta, J.}, year={1969}, month=jan, pages={76–85} }

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