油菜在生长发育过程中,受不良环境条件影响,往往会发生早花、不实花和次生花等一些开花的异常现象,对油菜高产优质产生较大的危害,因此,应采取必要措施加以防治。早花是指油菜在冬前即抽薹开花,这种花导致油菜植株易受冻害。防治措施:对生长较好,年前或小寒前将要抽薹的油菜,深 During the growth and development of rapeseed, some flowering anomalies such as early flowering, false flowering and secondary flowering often occur under the adverse environmental conditions, which cause great harm to rapeseed yield and quality. Therefore, necessary measures should be taken to prevent and control . Early flowering refers to bolting and flowering of rape before winter, which results in rape plants susceptible to frost damage. Control measures: good growth, years ago or before seasons rape bolting, deep