Figure 7From: Seed wintering and deterioration characteristics between weedy and cultivated riceTime course of superoxide dismutase activity during accelerated aging treatment for 90 days. The accelerated aging treatment was the same as for Figure 5. * Different small letters in a same date (for vertical comparison) indicate significant difference of means at α = 0.05 by t-test. ** Different capital letters in a same variety (for horizontal comparison) indicate significant difference of means at α = 0.05 by Duncan’s Multiple Range Test.Back to article page