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Seasonal Shifts Of Photosynthesis In Portulacaria Afra (L.) Jacq., Lonnie J. Guralnick, Patricia A. Rorabaugh, Zac Hanscom
Seasonal Shifts Of Photosynthesis In Portulacaria Afra (L.) Jacq., Lonnie J. Guralnick, Patricia A. Rorabaugh, Zac Hanscom
Arts & Sciences Faculty Publications
Portulacaria afra (L.) Jacq., a perennial facultative Crassulacean acid metabolism (CAM) species, was studied under natural photoperiods and temperatures in San Diego, California. The plants were irrigated every fourth day throughout the study period. Measurements of 14CO2 uptake, stomatal resistance, and titratable acidity were made periodically from July 1981 through May 1982. P. afra maintained C3 photosynthesis during the winter and the spring. Diurnal acid fluctuations were low and maximal 14CO2 uptake occurred during the day. The day/night ratio of carbon uptake varied from 5 to 10 and indicated little nocturnal CO2 uptake. CAM …
Guralnick Lj, Pa Rorabaugh, Z Hanscom (1984) Influence Of Photoperiod And Leaf Age On Crassulacean Acid Metabolism In Portulacaria Afra (L.) Jacq., Lonnie J. Guralnick, Patricia A. Rorabaugh, Zac Hanscom
Guralnick Lj, Pa Rorabaugh, Z Hanscom (1984) Influence Of Photoperiod And Leaf Age On Crassulacean Acid Metabolism In Portulacaria Afra (L.) Jacq., Lonnie J. Guralnick, Patricia A. Rorabaugh, Zac Hanscom
Arts & Sciences Faculty Publications
No abstract provided.