盐、碱胁迫下水稻种子萌发过程水分含量变化及对种子发芽影响的低场核磁检测研究

杨洪伟, 张丽颖, 李晓辉

Research on the Moisture Content Variation and Influence to Rice Seed Germination under Salt and Alkali Stress by Low Field NMR

Yang Hongwei, Zhang Liying, Li Xiaohui

表2 NaCl和NaHCO₃胁迫下单位质量盐粳48种子核磁共振信号幅值（A₂₁ and A₂₂）

Table 2 NMR signal amplitude (A₂₁ and A₂₂) per unit mass YJ48 under NaCl and NaHCO₃ stress

溶液 Solution	萌发时间 Germination time (h)	对照CK		50mmol/L		150mmol/L
溶液 Solution	萌发时间 Germination time (h)	A₂₁	A₂₂	A₂₁	A₂₂	A₂₁	A₂₂
NaCl	初始	4497.0±58.6eE	408.6±8.3eE	4497.0±58.6eE	408.6±8.3eE	4497.0±58.6eE	408.6±8.3eE
	6	7594.0±103.3dD	842.2±37.9dD	7331.2±95.4dD	829.5±31.9dD	7289.6±76.2dD	854.3±45.2dD
	24	8874.6±102.3cC	1052.7±29.8cC	8868.8±73.3cC	1026.0±46.4cC	8809.8±90.6cC	1028.5±51.5cC
	48	9248.3±132.1bB	1806.6±53.3bB	9319.0±73.9bB	1725.2±45.8bB	9510.3±73.5bB	1180.3±82.4bB
	72	9059.4±104.5aA	3023.0±151.1aA	9458.0±122.0aA	2523.1±132.5aA	9055.4±128.2aA	1979.9±80.1aA
NaHCO₃	初始	4497.0±58.6eE	408.6±8.3eE	4497.0±58.6eE	408.6±8.3eE	4497.0±58.6eE	408.6±8.3eE
	6	7594.0±103.3dD	842.2±37.9dD	7394.4±85.6dD	846.2±42.1dD	7365.4±68.5dD	862.3±44.8dD
	24	8874.6±102.3cC	1052.7±29.8cC	8885.4±71.6cC	1039.9±43.2cC	8829.7±85.3cC	1040.3±50.2cC
	48	9248.3±132.1bB	1806.6±53.3bB	9307.1±72.8bB	1745.1±46.3bB	9103.2±65.3bB	1649.3±78.7bB
	72	9059.4±104.5aA	3023.0±151.1aA	9487.8±118.6aA	2568.3±127.5aA	9369.9±116.7aA	2082.8±76.8aA