Identification of Double Triplo-3, 6 and Acquisition of Primary Triplo-3 andTriplo-6 in Chinese Cabbage Chromosomal Localization of Photoperiod Sensitive Genic Male Sterile Genes Using Rice Primary Trisomics Identification of the Double Trisomic and Its Primary Trisomics in Cabbage Identification of the Double Trisomic and Its Primary Trisomics in Cabbage Generation and Cytological Research of Four Primary Trisomics in Chinese Kale(Brassica alboglabra L. H. Bailey) Identification of Double Triplo-3, 6 and Acquisition of Primary Triplo-3 andTriplo-6 in Chinese Cabbage Determination of n+1 Gamete Transmission Rate of Trisomics and Location of Gene Controlling 2n Gamete Formation in Chinese Cabbage (Brassica rapa) Studies on the Gamete Formation and Transmission Rate of a Set of Primary Trisomics in Chinese Cabbage Studies on the Gamete Formation and Transmission Rate of a Set of Primary Trisomics in Chinese Cabbage Morphological and Cytological Characterizations of Trisomics, Double Trisomics and Double Tetrasomics in Brassica napus Generation and Cytological Research of Four Primary Trisomics in Chinese Kale(Brassica alboglabra L. H. Bailey) Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage Selection and Identification of the SAT-chromosome Primary Trisomic of Flowering Chinese Cabbage