Abstract
The Manipur State of India is considered as a part of the center of diversity of Asian rice. To obtain information on the genetic diversity and subspecies differentiation in local rice cultivars from the area, a survey was made of selected morphological and physiological traits, chloroplast DNA (CtDNA) type, and total genomic DNA polymorphism. Judging from the discriminant score z, 32 out of 48 tested local cultivars were classified into indica, 5 into japonica, and 11 intermediate. An analysis of ORFIOO of CtDNA by PCR identified 29 cultivars as deletion type (indica ), and 22 as non-deletion type Japonica ). Random amplified polymorphic DNA analysis revealed a high degree of polymorphism in the 51 cultivars, and 4 major clusters were recognized in a dendrogram constructed by UPGMA: 29 cultivars formed a cluster with typical indica standards
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