高温胁迫下铵硝混配营养促进水稻生长的生理机制

彭彬峰, 陆楚盛, 尹媛红, 朱菲菲, 叶群欢, 潘俊峰, 刘彦卓, 胡香玉, 胡锐, 李妹娟, 王昕钰, 梁开明, 傅友强

Physiological Mechanism of Ammonium-Nitrate Mixed Nutrition Promoting Rice Growth under High-Temperature Stress

Peng Binfeng, Lu Chusheng, Yin Yuanhong, Zhu Feifei, Ye Qunhuan, Pan Junfeng, Liu Yanzhuo, Hu Xiangyu, Hu Rui, Li Meijuan, Wang Xinyu, Liang Kaiming, Fu Youqiang

表2 不同铵硝混配营养对水稻根系形态的影响

Table 2 Effects of different ammonium and nitrate mixed nutrition treatments on root morphology of rice

品种 Variety 处理 Treatment 总根长 Total root length (cm) 根直径 Root diameter (cm) 根表面积 Root surface area (cm2) 根体积 Root volume (cm3) 广恢751 Guanghui 751 100:0 214.08±40.66b 0.34±0.01a 22.68±3.81b 0.19±0.03b 75:25 248.76±13.10b 0.33±0.00a 25.89±1.26b 0.21±0.01b 0:100 341.99±20.94a 0.34±0.01a 37.01±2.92a 0.32±0.03a 粤禾丝苗Yuehesimiao 100:0 268.86±7.14b 0.32±0.01a 27.27±0.88b 0.22±0.01b 75:25 288.08±20.63ab 0.32±0.01a 29.15±2.48b 0.24±0.02b 0:100 322.52±22.69a 0.33±0.01a 33.55±2.45a 0.28±0.02a 品种Variety * ns ns ns 处理Treatment ** ** ** ** 品种×处理Variety×Treatment * * * *