Genome Analysis in Wheat Breeding for Disease Resistance Karyotyping of Brassica napus L. Based on C0t-1 DNA Banding by Fluorescence In Situ Hybridization Research Progress of Forage Karyotype and Chromosome Banding Analyses A COMPARATIVE STUDY OF IDIOGRAM AND CHROMOSOME BANDING OF ZHAOSU XINJIANG WILD RAPE AND BRASSICA NIGRA VAR.JUNLUS