不同播期条件下黄淮海区主推夏播玉米品种籽粒灌浆特性

徐田军, 吕天放, 赵久然, 王荣焕, 张勇, 蔡万涛, 刘月娥, 刘秀芝, 陈传永, 邢锦丰, 王元东, 刘春阁

Grain filling characteristics of summer maize varieties under different sowing dates in the Huang-Huai-Hai region

XU Tian-Jun, LYU Tian-Fang, ZHAO Jiu-Ran, WANG Rong-Huan, ZHANG Yong, CAI Wan-Tao, LIU Yue-E, LIU Xiu-Zhi, CHEN Chuan-Yong, XING Jin-Feng, WANG Yuan-Dong, LIU Chun-Ge

表1 参试品种灌浆期内气象条件(2018年)

Table 1 Meteorological condition during maize grain filling stage in 2018

月份 Month 空气温度 Air temperature (℃) 空气湿度 Air humidity (%) 蒸发量 Evaporation (mm h-1) 降雨量 Rainfall (mm) 风速 Wind speed (m s-1) July 26.8 55.7 6.3 233.9 0.3 August 26.7 49.8 6.1 119.5 1.4 September 19.0 38.1 13.6 33.1 2.6 October 10.2 35.6 12.2 22.9 2.5 November 7.6 40.0 22.6 51.6 2.5