Abstract
The infrared radiation emitted from the surface of inflorescences of 12 aroid species was monitored with an infrared camera, capable of 0.1°C resolution, and the data were converted to temperature values by means of temperature reference standards. Images representing surface temperatures were obtained forAmorphophallus bulbifer Blume,A. campanulatus Blume,A. forbesii Engl. et Gehrm.,A. rivieri Dur.,Philodendron selloum Koch,Monstera deliciosa Liebm.,Dracunculus vulgaris Schott,Arum italicum Mill.,A. dioscoridis Sibth.,A. creticum Boiss et Heldr.,Caladium sp., andRemusatia vivipara Schott. These images were different among species with respect to temperature, duration of detectable heat development, and organ type (male and female flowers, spathe and appendix) found to be thermogenic. All these species, however, exhibited three common characteristics: 1) production of heat by the male flowers; 2) pollen-shedding immediately after heat production had ceased; and 3) when male flowers were some distance away from female flowers along the spadix, heat was not detected in female flowers. Heat emission was associated with the alternative, cyanide-insensitive pathway that was fully operative.
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Abbreviations
- SHAM:
-
salicylhydroxamic acid
References
Bahr, J.D., Bonner, W.D. (1973) Cyanide-insensitive respiration. II. Control of the alternative pathway. J. Biol. Chem.248, 3446–3450
Brattstrom, B.H. (1972) Temperature changes in heat producing plants. Bull. South. Cal.Acad. Sci.71, 54–55
Chen, J., Meeuse, B.J.D. (1975) Purification and partial characterization of two biologically active compounds from the inflorescence ofSauromatum guttatum Schott. Plant Cell Physiol16, 1–11
Elthon, E.T., McIntosh, L. (1987) Identification of the alternative terminal oxidase of higher plant mitochondria. Proc. Natl. Acad. Sci. USA84, 8399–8403
Estabrook, R.W. (1967) Mitochondrial respiratory control and the polarographic measurement of ADP: O ratios. Methods Enzymol.10, 41–47
Hashimoto, Y., Ino, T., Kramer, P.J., Naylor, A.W., Strain, B.R. (1984) Dynamic analysis of water stress of sunflower leaves by means of a thermal image processing system. Plant Physiol.76, 266–269
James, W.O., Beevers, H. (1950) The respiration ofArum spadix. A rapid respiration, resistant to cyanide. New Phytol.49, 353–373
Meeuse, B.J.D. (1975) Thermogenic respiration in aroids. Annu. Rev. Plant Physiol.26, 117–126
Meeuse, B.J., Raskin, I. (1988) Sexual reproduction in the arum lily family, with emphasis on thermogenicity. Sex. Plant Reprod.1, 3–15
Raskin, I., Ladyman, J.A.R. (1988) Isolation and characterization of a barley mutant with abscisic-acid insensitive stomata. Planta173, 73–78
Raskin, I., Ehmann, A., Melander, W.R., Meeuse, B.J.D. (1987) Salicylic acid — a natural inducer of heat production in arum lilies. Science237, 1601–1602
Raskin, I., Turner, I.M., Melander, W.R. (1989) Regulation of heat production in the inflorescence of anArum lily by endogenous salicylic acid. Proc. Natl. Acad. Sci. USA86, 2214–2218
Seymour, R.S., Bartholomew, G.A., Barnhart, M.C. (1983) Respiration and heat production by the inflorescence ofPhilodendron selloum Koch. Planta157, 336–343
Tang, W. (1987) Heat production in cycad cones. Bot. Gaz.148, 165–174
Van Herk, A.W.H. (1937) Die chemischen Vorgänge imSauromatum-Kolben. Rec. Trav. Bot. Néerl.34, 69–156
Wilson, S.B. (1988) The switching of electron flux from the cyanide-insensitive oxidase to the cytochrome pathway in mung bean (Phaseolus aureus L.). Biochem. J.249, 301–303
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Skubatz, H., Nelson, T.A., Dong, A.M. et al. Infrared thermography ofArum lily inflorescences. Planta 182, 432–436 (1990). https://doi.org/10.1007/BF02411396
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DOI: https://doi.org/10.1007/BF02411396