9Blokhina O, Virolainen E, Fagerstedt K V. Antioxidants, oxidative damage and oxygen deprivation stress: A review[J]. Annals of Botany, 2003,91 : 79-194.
10Lu S,Chen C,Wang Z,et al. Physiological responses of somaclonal variants of triploid bermudagrass(Cynodon transvaalensis )< Cynodon dactylon ) to drought stress[J]. Plant Cell Reports, 2009,28 (3) : 517-526.