Molecular, Agronomical and Nutritional Characterization of Mung bean Germplasm
Mung bean (Vignaradiata L. 2n = 2x = 22), is an important legume food crop widely cultivated in East, South and Southeast Asia with an annual production world-wide of about 3.5-4.0 million tons. In this study, 408 and 94mung bean genotypes were characterized by agronomical along with nutritional traits and molecular marker, respectively. The aim of the study were (i) to characterize the mungbean germplasm with newly developed KASP based SNP marker and also with six agronomical and nine nutritional elements.(ii) to determine the genetic relationship among the genotypes based on these three parameters. 20 SNP markers were developed and among them 18 markers were polymorphic. The total alleles number was 38, with anwith an average of 1.9 alleles per locus. Polymorphism information content (PIC) value which was ranged from 0.00 to 0.3749, with an average of 0.2502. Two clusters were formed using UPGMA method where Cluster 2 was dominated by West and South Asia but Cluster 1 had genotypes of different origin. Population Structure analysis grouped 33 genotypes into two distinct population groups having 30% variation of the total variation, whereas 40 genotypes belong to admixture group. Under the agronomical characterization, positive correlation was existed between 50% flowering, initial maturity and 50% maturity. PCA analysis determined four agronomical traits among six traits which were mainly liable for generating variation. Four cluster formed using agronomical data in which Cluster 1 and Cluster 2 was predominant by Iran and India, respectively, whereas the remaining two clusters grouped genotypes of different origin. Nutritional analysis revealed that mung bean seeds are rich in K and P content. In addition, positive correlations were found between P and S, Ca with K, Mg and Fe, Fe with K and Mg, K and Mg. The outcome of this study will help to the breeder to make proper future plan for finding out the promising mungbean genotypes with high yielding ability along with biotic and abiotic resistant^
A.S.M. Faridul Islam,
"Molecular, Agronomical and Nutritional Characterization of Mung bean Germplasm"
ETD Collection for Tennessee State University.