Vol. 73 No: 1

Title:
Characterization of Citrus Aurantium and C. Taiwanica Rootstocks by Isoenzyme and Essential Oil Analysis

Authors:
E. PROTOPAPADAKIS and X. PAPANIKOLAOU

pp: 81-86

Abstract:
Four cultivars of sour orange (Citrus aurantium L.) and one of C. taiwanica Tan & Shim, originating from Greece and California, were studied biochemically. Analysis included electrophoretic separations of the leaf isoenzymes such as glutamate oxaloacetate transaminase, superoxide dismutase and malate dehydrogenase. Enzyme differences were found to be adequate for distinction at the specific level. Also, essential oils were analyzed and quantitative and qualitative differences were detected among the cultivars. C. taiwanica has a very different genotype combination from the main group of sour orange. The essential oil analysis is a useful tool for intraspecific characterization of C. aurantium cultivars. ‘Bittersweet’ is more discrete from the other sour orange cultivars.

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