基于品种熟期和籽粒脱水特性的机收粒玉米 适宜播期与收获期分析

张万旭, 明博, 王克如, 刘朝巍, 侯鹏, 陈江鲁, 张国强, 杨京京, 车淑玲, 谢瑞芝, 李少昆

Analysis of Sowing and Harvesting Allocation of Maize Based on Cultivar Maturity and Grain Dehydration Characteristics

WanXu ZHANG, Bo MING, KeRu WANG, ChaoWei LIU, Peng HOU, JiangLu CHEN, GuoQiang ZHANG, JingJing YANG, ShuLing CHE, RuiZhi XIE, ShaoKun LI

表4 不同玉米品种不同年份生育期积温需求及方差分析

Table 4 Variance analysis of the demand for accumulated temperature during the growth period of different maize cultivars in different years

年份 Year 品种 Cultivar 播种-吐丝所需积温 Accumulated temperature from sowing to silking (°C) 吐丝-生理成熟所需积温 Accumulated temperature from silking to physiological maturity (°C) 播种-生理成熟所需积温 Accumulated temperature from sowing to physiological maturity (°C) 2015 KWS9384 1357.9 1623.3 2981.2 新玉77 Xinyu 77 1523.1 1538.6 3061.7 M751 1648.8 1500.4 3149.2 2016 KWS9384 1326.3 1607.8 2934.1 新玉77 Xinyu 77 1515.4 1552.6 3068 M751 1653.5 1494.3 3147.8 2017 KWS9384 1329.9 1632.5 2962.4 新玉77 Xinyu 77 1533.3 1561.6 3094.9 M751 1647.6 — — 年份Year ns ns ns 品种Cultivar ** * *