TEMPERATURE CHARACTERISTIC FOR PRODUCTION OF CO2 BY PHASEOLUS SEEDLINGS |
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Authors: | W J Crozier A E Navez |
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Institution: | From the Laboratory of General Physiology, Harvard University, Cambridge |
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Abstract: | The temperature characteristic for respiratory production of CO2 by young seedlings of Phaseolus aureus (Roxb.) is µ = 16,500 calories, 12–21°C., even when the analyses depend upon the use of many seedlings crowded in a small respiration chamber, provided reasonable precautions are taken to avoid injury and to permit proper thermal adaptation. There is evidence of a definite critical temperature at 20–21°. These findings agree quantitatively with those obtained with other similar seedlings, and contradict the results reported by Kurbatov and Leonov (1930); the reasons for this are analysed. |
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