Cloning and Characterization of a Genic Male Sterility-related Gene BrLTP1 in Chinese Cabbage Cloning and Characterization of a Genic Male Sterility-related Gene BrLTP1 in Chinese Cabbage Glucosinolate Profile and Accumulation in Brassica campestris L. ssp. pekinensis Effects of Different Ratios of NO3- -N︰NH4+ -N on Black Sesame Spot in Chinese Cabbage SCAR Markers Linked to Ms,a Genetic Male Sterile Gene in Chinese Cabbage SCAR Markers Linked to Ms,a Genetic Male Sterile Gene in Chinese Cabbage Effects of Different Ratios of NO3- -N︰NH4+ -N on Black Sesame Spot in Chinese Cabbage Glucosinolate Profile and Accumulation in Brassica campestris L. ssp. pekinensis