Document Type

Article

Publication Date

4-10-2018

Abstract

Malosma laurina and Rhus integrifolia are both native species to the Santa Monica Mountains and belong to the same family, Anacardiaceae. The two natives have lived alongside each other but in recent years M. laurina has been heavily affected by the prolonged drought. The Malosma laurina population in the Santa Monica Mountains has withstood wildfires and droughts, and has remained relatively stable and healthy up until recently. A recent Pepperdine graduate published her findings explaining the high levels of dieback in Malosma laurina and attributed it to the fungus, B. dothidea. We hypothesized that Rhus integrifolia would have higher fluorescence and ETR rates because there have been no recorded cases of Rhus integrifolia being infected by the fungus or that it would physiologically outperform M. laurina. We concluded that there was no significant difference in light and dark adapted fluorescence rates between both plants. However, Malosma laurina proved to have a significanty higher electron transport rate.

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