“双免密苗”技术对寒地水稻秧苗素质及酶活性的影响

张家智, 赵羽涵, 丁俊杰, 姚亮亮, 邱磊, 张茂明, 王自杰, 高雪冬, 黄成亮, 崔士泽, 杨晓贺

Effects of “Double-Exemption Dense Seedling” Technique on Seedling Quality and Enzyme Activity of Rice in Cold Region

Zhang Jiazhi, Zhao Yuhan, Ding Junjie, Yao Liangliang, Qiu Lei, Zhang Maoming, Wang Zijie, Gao Xuedong, Huang Chengliang, Cui Shize, Yang Xiaohe

表4 不同播种处理和播种量对水稻苗期α-淀粉酶活性的影响

Table 4 Effects of different seeding treatments and seeding rate on α-amylase activity in rice seedling stage U/g

处理 Treatment 破胸期 Thoracotomy period 立针期 Standing injection period 1.1叶期 1.1 leaf stage 2.1叶期 2.1 leaf stage G 4.50aA 3.32bA 1.87aA 1.55aA Y 2.44bB 3.55aA 1.71bB 1.22bB FA 1426.340** 5.730* 30.796** 816.458** B1 2.66cC 2.90cB 1.78aA 1.46aA B2 3.27bB 3.19bB 1.82aA 1.39bB B3 4.47aA 4.22aA 1.75aA 1.30cC FB 382.900** 68.190** 1.829 64.859** FA×B 120.640** 0.044 432.260** 1070.168**