低温胁迫对普通和高油酸花生种子萌发的影响

薛晓梦, 吴洁, 王欣, 白冬梅, 胡美玲, 晏立英, 陈玉宁, 康彦平, 王志慧, 淮东欣, 雷永, 廖伯寿

Effects of cold stress on germination in peanut cultivars with normal and high content of oleic acid

XUE Xiao-Meng, WU JIE, WANG Xin, BAI Dong-Mei, HU Mei-Ling, YAN Li-Ying, CHEN Yu-Ning, KANG Yan-Ping, WANG Zhi-Hui, HUAI Dong-Xin, LEI Yong, LIAO Bo-Shou

图5 低温胁迫下各AhFAD2基因在泉花551高油酸花生和普通油酸花生中的表达模式 a: 在不同温度处理条件下, AhFAD2-1A/B在Quanhua 551-NO中的表达模式; b: 在不同温度处理条件下, AhFAD2-3A/B在Quanhua 551-NO中的表达模式; c: 在不同温度处理条件下, AhFAD2-4A/B在Quanhua 551-NO中的表达模式; d: 在不同温度处理条件下, AhFAD2-1A/B在Quanhua 551-HO花生中的表达模式; e: 在不同温度处理条件下, AhFAD2-3A/B在Quanhua 551-HO中的表达模式; f: 在不同温度处理条件下, AhFAD2-4A/B在Quanhua 551-HO中的表达模式。CK: 种子在25℃条件下萌发6 d; T: 种子第1~3 天在15℃条件下萌发, 第4~6天在25℃条件下萌发; NO: 普通油酸花生; HO: 高油酸花生。*、**和***分别表示在0.05、0.01和0.001水平显著差异。

Fig. 5 Relative expression levels of AhFAD2 genes in high oleate and normal oleate of Quanhua 551 under cold stress a: the expression pattern of AhFAD2-1A/B in Quanhua 551-NO at different temperatures; b: the expression pattern of AhFAD2-3A/B in Quanhua 551-NO at different temperatures; c: the expression pattern of AhFAD2-4A/B in Quanhua 551-NO at different temperatures; d: the expression pattern ofAhFAD2-1A/B in Quanhua 551-HO at different temperatures; e: the expression pattern ofAhFAD2-3A/B in Quanhua 551-HO at different temperatures; f: the expression pattern of AhFAD2-4A/B in Quanhua 551-HO at different temperatures. CK: control group, germination of seed at 25℃ for six days; T: treatment group, germination of seed at 15℃ from 1st to 3rd day, and then 25℃ from the 4th to 6th day; NO: normal oleate peanut; HO: high oleate peanut. *, **, and *** mean significant difference at the 0.05, 0.01, and 0.001 probability levels, respectively.