Elevated atmospheric partial pressure of carbon dioxide and dry matter production of konjak (Amorphophallus konjac K. Koch) |
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| Authors: | Katsu Imai D. F. Coleman |
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| Affiliation: | (1) Laboratory of Crop Science, Faculty of Agrieulture, The University of Tokyo, Bunkyo-ku, 113 Tokyo, Japan;(2) Present address: Institute of Agriculture and Forestry, University of Tsukuba, Sakura, 305 Niihari, Ibaraki, Japan |
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| Abstract: | Konjak (Amorphophallus konjac K. Koch) was grown under normal (350  bar) or enriched (700 bar) CO2 partial pressure in glasshouses kept at 33/26 °C. Doubling the CO2 partial pressure resulted in twice the yield of corm because the net CO2 assimilation rate doubled and, due to the simple source-sink relationship, the increased production was partitioned to the corm. The response to CO2 of assimilation by konjak is discussed in relation to its original habitat in the tropics. |
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| Keywords: | carbon dioxide enrichment dry matter production konjak (Amorphophallus konjac K. Koch) net photosynthesis |
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