Abstract:The glucosinolate content at various growing periods of the rapeplant and organs of 3 cultivars,namely,high-glucosinolate Huai-you No.6(Brassica napus) and Guanzhong You-cai (Brasssica campestris)and low-glucosinolate Tower (Brassica napus) was analysed with barium sulfateweight method.The results s