Breeding of a double low rapeseed variety Huyou No.15 in Brassica napus L.

A new low erucic acid and low glucosinolate variety Huyou No.15 ( Brassica napus L.) was successfully bred throuth using the double-crossing method. Oil content of Huyou No.15 was 42.43%, erucic acid content was 0.38% in oil, and glucosinolate content was 19.01μmol/g in meal. In Shanghai Rapeseed Regional Test and Shanghai Rapeseed Production Test, the yield of Huyou No.15 were 2 147.3kg/hm 2 and 2 700.0kg/hm 2, which outyielded the control variety Huiyou No.50 by 31.3% and 12.6%, respectively. Huyou No.15 was suitable for growing in the region of the lower Yangtse valley.