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Author:Wen-Li Lee, Kuo-Dung Chiou*, and I-Szu Weng
Abstract:
Genetic relationships among cultivars (or lines) of mango (Mangifera indica L.) were analyzed using RAPD markers. Forty mango cultivars (or lines) that planted at the Fengshan Tropical Horticultural Experimental Branch, Taiwan Agricultural Research Institute, Fengshan, Kaohsiung, were examined using 200 random primers. Results showed that 22 of the 200 primers were inter-species polymorphism with high consistency. A combination of several primers was required for identification of cultivars (or lines). Results of RAPD cluster analyses showed that the 40 mango cultivars(or lines) were divided into 3 groups and the genetic similarity among these groups ranged from 53.3 to 88.1%, averaging 70.3%. The E10-1 and Yu-win No.6 had the highest degree of similarity (88.1%), whereas the Pung-Swain and Vanary had low degree of similarity (53.3%). However, Dasheri and Pung-Swain were highly different from all others, suggesting that they are highly diversed genotypes.
Key words:Genetic variation, Mango, Mangifera indica L., RAPD markers
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