外源生长调节物质对甜高粱种子萌发过程中盐分胁迫的缓解效应及其生理机制

朱广龙,宋成钰,于林林,陈许兵,智文芳,刘家玮,焦秀荣,周桂生

Alleviation Effects of Exogenous Growth Regulators on Seed Germination of Sweet Sorghum under Salt Stress and Its Physiological Basis

Guang-Long ZHU,Cheng-Yu SONG,Lin-Lin YU,Xu-Bing CHEN,Wen-Fang ZHI,Jia-Wei LIU,Xiu-Rong JIAO,Gui-Sheng ZHOU

表1 甜高粱品种在不同盐分处理下的种子发芽势、发芽率和发芽指数

Table 1 Seed germination energy, germination rate and germination index of sweet sorghum under salt stress

盐分浓度 Salt concentration (mmol L-1) 国甜2011 Guotian 2011 国甜106 Guotian 106 发芽势Germination energy (%) 发芽率 Germination rate (%) 发芽指数 Germination index 发芽势 Germination energy (%) 发芽率 Germination rate (%) 发芽指数 Germination index 0 80 a 88 a 53 a 78 a 85 a 51 bc 50 79 a 84 a 53 ab 74 b 80 b 49 c 100 48 b 60 b 35 d 39 c 45 c 29 e 150 25 c 32 c 19 f 17 d 21 d 16 g 200 15 d 21 d 11 g 9 e 13 e 6 h 平均值Mean 49 57 34 43 49 30