Semigraphical method of analysing genetic variation - in mulberry (Morus spp.) Susheelamma B.N.1, Senior Research Officer, Masilamani S.2, Senior Research Assistant, Thiagarajan V.3, Joint Director, Rajashekar K.1, Senior Research Assistant, Datta R.K.4, Director Regional Sericultural Research Station Central Silk Board, P.B. No. 21, Coonoor 643 101. 1 (Mulberry Breeding and Genetics). 2 RSRS, Coonoor. 3 RSRS, Chamarajanagar. 4 Central Sericultural Research and Training Institute, Mysore. Abstract Metroglyph and index score analysis was carried out with 22 Indian and 28 exotic genotypes of mulberry maintained in the germplasm collection of Central Sericultural Research and Training Institute, Mysore. The Indian genotypes fall into three morphological complexes which differed among themselves. and exotic genotypes fall into two morphological complexes. Maximum exotic genotypes failed to show better phenotypic performance under Indian environment. Maximum frequency of exotic genotypes occurred around an index score ranging from 1 to 6 and Indian genotypes between 7 to 12. On the other hand, most of the indigenous strains fall into low or medium to low category and the exotic genotypes scored high index value for the component traits influencing moisture content of the leaf. Thus greater morphological, physiological and anatomical variability is observed between exotic and indigenous genotypes among the collections under study. Top Keywords Mulberry, Morus spp, metroglyph analysis. Top |