Effect of Carbon Dioxide and Light on Ethylene Production in Intact Sunflower Plants | Zendy

Pawan K. Bassi | Zendy; Mary S. Spencer | Zendy

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Effect of Carbon Dioxide and Light on Ethylene Production in Intact Sunflower Plants

Author(s) -

Pawan K. Bassi,

Mary S. Spencer

Publication year - 1982

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.69.5.1222

Subject(s) - ethylene , helianthus annuus , sunflower , carbon dioxide , darkness , chemistry , horticulture , botany , biology , biochemistry , organic chemistry , catalysis

High CO(2) concentration (0.5%) increased the rate of ethylene production, measured in a continuous flow system, in intact sunflower (Helianthus annuus L.) plants. However, the rate of ethylene production subsided to near control levels after approximately 24 hours. The effect of high CO(2) could only be observed in light. Although high CO(2) concentration had no effect on the rate of ethylene production in darkness, prolonged exposure (approximately 16 hours) of plants to high CO(2) in the dark prevented the increase in ethylene production when the plants were exposed to light and high CO(2).

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