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Morphological Characterization of Several Morus Species from Turkey
Mustafa Ozgen,Mehmet Gune?,Ya?ar Akca,Nurgul Turemi?,Muruvvet Ilgin,Gokhan Kizilci,Ummugulsum Erdo?an,Sedat Serce 한국원예학회 2009 Horticulture, Environment, and Biotechnology Vol.50 No.1
Among edible mulberry (Morus spp.) species, M. alba, M. nigra, M. rubra, and M. laevigata grow in Turkey. Several regions of Turkey were surveyed during the 2007 and 2008 growing seasons. More than 200 promising mulberry accessions were visited and preliminary tree and fruit characteristics were investigated. Based on the first year results, a total of 22 superior accessions from four different species were morphologically characterized in the second year. Considerable variations were observed for most of the traits. For example, fruit weight ranged from 3.3 to 8.2 g for an average of 4.9 g. M. nigra accessions had much smaller mean values when compared to those of M. rubra and M. alba. The juice yield ranged from 56.1 to 67.8% for M. nigra accessions, 20.0 to 31.1% for M. rubra and 25.6 to 35.0% for M. alba. The mean total acidity of M. nigra was 2.7%, 3.1-fold higher than those of M. rubra and M. alba accessions. Soluble solids ranged from 14.1 to 27.1% for an average of 21.8%. These fruit traits were subjected to principle component analysis and the results indicated that M. nigra accessions were grouped together, while M. laevigata accession was distinct from other genotypes. The accessions of M. rubra and M. alba separated from M. nigra and M. laevigata accessions, although the two groups did not separate from each other.