A Comparison of Efficiency Parameters of SSR Primers and Genetic Diversity Analysis in Jute (Corchorus spp.)

Jute (Corchorus spp.) is a natural bast fibre crop and has considerable commercial significance in the world after cotton, as it is a completely biodegradable, recyclable and environmental friendly lingo-cellulose fibre. For sustenance of the trade in the face of tough competition from synthetics, there is an urgent need to redesign the ongoing breeding strategy to improve both the yield and quality of jute fibre. It is therefore, essential to understand the pattern of genetic diversity in this important commercial crop species. Five Simple Sequence Repeats (SSRs) were amplified in 30 genotypes of both the cultivated species of jute Corchorus olitorius and Corchorus capsularis. The study was undertaken to identify the efficient SSR primers that could differentiate a set of 30 jute genotypes. Various efficiency parameters, namely: Polymorphic Information Content (PIC), Resolving Power (RP), Mean Resolving Power and Diversity Index (DI) were studied. The relationship between the parameters was studied using simple correlation coefficient. Dendrogram was constructed to find out the genetic diversity among the germplasm. These SSR markers will facilitate further studies in population genetics and utilization of this crop.