A STUDY ON GENOME CONSTITUTION Of ELYTRIGIA INTERMEDIA (HOST) NEVSKI Agronomic Traits and Cytological Analysis of F1 of the Male Sterile Sorghum Lines 314A and 13A,and Sudan Grass Cytology and SSR Analysis of Chromosome Mutated Lines of Sorghum-Sudangrass Hybrid SSR Identification of Potato Hybrid Lines and Pollen Fertility and Chromosome Configuration Analysis Analysis of agronomic characteristics and chromosome configuration of new strains of sorghum-sudangrass of low hydrocyanic acid content