Responses of Lilium hybrid 'Brindisi' to varying periods of waterlogging at vegetative stages

Lilium species with ornamental, edible, and medicinal values are distributed all over the world. Little is known about responses of genotypes to waterlogging stress. hybrid 'Brindisi' was used study physiological roots, bulbs, leaves 1, 2, 4, 8, 13 d Results showed that stress seriously hindered transport nutrients from bulbs stems leaves. The indicators could be divided into two categories. first category parameters indicating plant damage. dry fresh masses leaves, chlorophyll (Chl) a, Chl b, a+b, carotenoid content decreased, malondialdehyde H2O2 increased under other regulate adaptability Among them, superoxide dismutase pyruvate decarboxylase activity changed little, proline significantly, soluble sugar protein content, ascorbate peroxidase (APX), catalase (CAT), alcohol dehydrogenase, lactate dehydrogenase activities in early stage, decreased later stage turning point these 4 - 8 after Bulbs played an important role alleviating flooding waterlogging. APX CAT also eliminating ROS stage. This research lays foundation for on mechanism tolerance breeding waterlogging-tolerant cultivars spp.