Effects of high temperature stress on antioxidant system in leaves of different watermelon rootstock varieties
XU Jianing
ZHENG Hongrui
WANG Xibo
GUO Shoupeng
WANG Wenjun
Abstract：In this study,the change of four antioxidant enzyme activities and MDA contents in leaves of 7 watermelon rootstock varieties were studied under high temperature stress.The results showed that all of the contents of MDA and the activities of antioxidant enzyme showed significant increase.But the peak appeared at different time in different varieties.It indicated that the high temperature stress response mechanisms were different in different rootstock varieties.And we found that the rootstock varieties of ‘Yongzhen No.1’ ‘Hengli No.1‘ ‘Weizhenm’ ‘Sumeng zhenmu No.2 F1 ’and ‘Qingyan zhenmu No.1’ had better high temperature resistance than‘ Quanneng Tiejia’ and ‘ Yongzhen No.2’.
Keywords：WatermelonMelonRootstockHigh temperature stressAntioxidant enzyme systemMDA
Publication Date：2018-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 7-10 )