播种深度对花生生育进程和叶片衰老的影响及其生理机制

甄晓宇,杨坚群,栗鑫鑫,刘兆新,高芳,赵继浩,李颖,钱必长,李金融,杨东清,李向东

Effects and physiological mechanisms of sowing depth on the growth progress and leaf senescence of peanut

Xiao-Yu ZHEN,Jian-Qun YANG,Xin-Xin LI,Zhao-Xin LIU,Fang GAO,Ji-Hao ZHAO,Ying LI,Bi-Chang QIAN,Jin-Rong LI,Dong-Qing YANG,Xiang-Dong LI

表1 2017年和2018年花生出苗期日平均气温、相对湿度和降水量

Table 1 Daily average temperature, relative humidity and precipitation during the seedling stage of peanut in 2017 and 2018

播种后天数 Days after sowing (d) 2017 2018 平均气温 Average temperature (°C) 相对湿度 Relative humidity (%) 降水量 Precipitation (mm) 平均气温 Average temperature (°C) 相对湿度 Relative humidity (%) 降水量 Precipitation (mm) 1 23.4 64 0 18.2 73 1.3 2 23.6 53 0 19.8 65 0 3 23.7 47 0 21.3 53 0 4 20.1 42 0 21.6 37 0 5 20.9 45 13 20.2 36 0 6 19.7 61 0 20.3 42 0 7 23.2 54 0 18.4 70 0 8 26.0 49 0 19.9 68 0 9 26.3 54 0 24.5 66 0 10 25.8 51 0 26.2 55 0 11 24.8 58 0 27.1 71 6.4 12 25.9 61 0 25.2 79 3.8