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3 NaCl和NaHCO₃胁迫下单位质量辽星1种子核磁共振信号幅值A₂₁ and A₂₂

Table 3 NMR signal amplitude (A₂₁ and A₂₂) per unit mass LX1 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	4381.1±49.0eE	267.4±4.0eE	4381.1±49.0eE	267.4±4.0eE	4381.1±49.0eE	267.4±4.0eE
	6	6890.9±86.5dD	708.3±32.8dD	6774.1±41.6dD	733.5±38.8dD	6733.5±107.6dD	743.2±22.4dD
	24	8062.9±68.6cC	806.4±50.7cC	8011.5±130.8cC	827.7±32.0cC	8013.9±93.7cC	824.5±27.0cC
	48	8970.2±80.2bB	1252.5±48.7bB	8668.3±103.9bB	1217.0±46.6bB	8756.7±138.2bB	983.0±25.6bB
	72	8603.4±116.1aA	2050.5±94.8aA	8920.2±134.8aA	1682.4±88.2aA	8918.4±51.3aA	1265.3±56.1aA
NaHCO₃	初始	4381.1±49.0eE	267.4±4.0eE	4381.1±49.0eE	267.4±4.0eE	4381.1±49.0eE	267.4±4.0eE
	6	6890.9±86.5dD	708.3±32.8dD	6775.1±40.8dD	736.5±36.7dD	6747.5±98.6dD	746.2±20.8dD
	24	8062.9±68.6cC	806.4±50.7cC	8024.2±105.2cC	829.7±37.6cC	8021.5±89.2cC	828.0±22.5cC
	48	8970.2±80.2bB	1252.5±48.7bB	8717.7±98.2bB	1226.3±42.8bB	8790.4±125.6bB	1011.9±21.2bB
	72	8603.4±116.1aA	2050.5±94.8aA	8923.7±102.7aA	1701.3±75.9aA	8947.9±48.2aA	1274.5±20.9aA