不同熟期类型玉米品种籽粒灌浆和脱水特性

王荣焕, 徐田军, 陈传永, 王元东, 吕天放, 刘月娥, 蔡万涛, 刘秀芝, 赵久然

Grain filling and dehydrating characteristics of maize hybrids with different maturity

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

表1 供试玉米品种的生育期与积温

Table 1 Growth period and accumulated temperature of maize hybrids

熟期类型 Maturity type 品种 Hybrid 吐丝期 Silking stage (month/day) 生理成熟期 Physiological maturity (month/day) 生育期 Growing period (d) 吐丝期-生理 成熟期天数 Days from silking stage to physiological maturity (d) 吐丝期-生理成熟期积温 Accumulated temperature from silking stage to physiological maturity (℃ d) 中早熟类型 Medium-early maturity type 吉单27 Jidan 27 7/9 9/1 107 54 1406.5 京农科728 Jingnongke 728 7/9 9/1 107 54 1406.5 农华101 Nonghua 101 7/10 9/1 108 53 1379.6 中熟类型 Medium maturity type 京单28 Jingdan 28 7/10 9/6 112 58 1488.8 先玉335 Xianyu 335 7/10 9/5 112 57 1467.2 NK718 7/13 9/8 113 57 1447.5 京华8号 Jinghua 8 7/13 9/9 114 58 1468.6 利民33 Limin 33 7/13 9/9 114 58 1468.6 京科528 Jingke 528 7/14 9/8 114 56 1417.1 京单38 Jingdan 38 7/10 9/5 114 57 1467.2 京科665 Jingke 665 7/10 9/8 116 60 1531.5 中晚熟类型 Medium-late maturity type 郑单958 Zhengdan 958 7/14 9/16 121 64 1566.2 京科968 Jingke 968 7/13 9/15 121 64 1577.8