The chilling resistant cultivar showed higher activities of SOD and POD, lower permeability of plasma membrane and production of MDA, and induction of more proline content.

• 低温下耐寒性强的品种能保持更高的SOD和POD等保护酶活性、更好的细胞膜完整性和更低的MDA含量，并诱导产生更多的脯氨酸。