The results showed that those non-resistant bolting varieties could bolt and flower by seed vernalization; but the resistant-bolting varieties must bolt and flower by seed and seedling vernalization.

• 实验结果表明：对于不耐抽薹即春性强的的萝卜品种，单一的种子春化处理即可实现加代目的；但对于耐抽薹即春性弱的萝卜品种，必须将种子春化与幼苗春化结合起来，才能实现加代目的。