Genetic Analysis of Main Agronomy Traits of DH Population in Brassica oleracea var. capitata Effect of Antisense RNA of the MLPK Gene on Self-incompatibility in Cabbage Construction of Molecular Linkage Map of Brassica oleracea var. alboglabra ×B. oleracea var. capitata by RAPD analysisAbstract : Key words : RAPD-based Analysis for the QTLs Related to Bolting Time Traits of F2 Population from Brassica oleracea var.capitata×B.oleracea var.alboglabra RAPD-based Analysis for the QTLs Related to Bolting Time Traits of F2 Population from Brassica oleracea var.capitata×B.oleracea var.alboglabra Construction of Molecular Linkage Map of Brassica oleracea var. alboglabra ×B. oleracea var. capitata by RAPD analysisAbstract : Key words : An Overwintering Spring Cabbage Cultivar ‘Sugan 20’ An Overwintering Spring Cabbage Cultivar ‘Sugan 20’ Effect of Antisense RNA of the MLPK Gene on Self-incompatibility in Cabbage The Rapid Identification of Self-incompatibility of Cabbage by Amino Acid Analysis Ultrastructural Study in Leaf Cell of Brassica oleracea var. capitata Under Heat Stress Isolated-microspore Culture of F1 Hybrids between Brassica oleracea var. capitata and var. italica