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吉林省半干旱区45年气候变化及基于Hybrid-Maize的玉米品种熟期选择
Climate Changes in Recent 45 Years and Hybrids Selection with Different Maturation Based Hybrid-Maize Model in Semi-arid Area of Jilin Province
投稿时间:2017-10-26  
中文关键词:玉米  半干旱区  全球气候变化  Hybrid-Maize模型  不同熟期
英文关键词:Maize  Semi-arid Area  Global climate changes  Hybrid-Maize model  Different maturation period
基金项目:国家重点研发计划课题(2017YFD0300303)、吉林省科技发展计划项目(2015GJLS005NY)
作者单位E-mail
杨慧 吉林省农业科学院农业资源与环境研究所/玉米国家工程实验室, 长春 130033;东北农业大学农学院, 哈尔滨 150030  
王永军 吉林省农业科学院农业资源与环境研究所/玉米国家工程实验室, 长春 130033  
吕艳杰 吉林省农业科学院农业资源与环境研究所/玉米国家工程实验室, 长春 130033 agriculturebasis@163.com 
杨德光 东北农业大学农学院, 哈尔滨 150030  
韩英鹏 东北农业大学农学院, 哈尔滨 150030  
吴兴宏 吉林省农业科学院农业资源与环境研究所/玉米国家工程实验室, 长春 130033  
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中文摘要:
      本研究分析吉林省西部半干旱地区1971~2015年气候要素变化特征,用Hybrid-Maize模型估算该区域品种熟期(GDD)不同玉米品种的产量潜力。结果表明,该区域近45年温度、降水和日照时数年均变化与玉米生长季变化趋势类似,但生长季变幅与年均值变幅差异较大,且生长季时间序列上突变点明显不同,温度和降水具有滞后性,日照时数具有超前性,其中,生长季温度增幅高于全年温度增幅,但突变时间滞后10年;长期年均降水波动性大,而生长季降水较全年呈现明显上升趋势,且2010年以来生长季均为较湿润阶段。生长季日照时数减少比年均减少趋势慢,为其下降速率的40%。以4月30日为适播期,种植密度60 000株/hm2时,乾安、洮南、前郭推荐熟期相对较长品种(GDD=1656-1672),扶余、镇赉推荐熟期相对较短品种(GDD为1606和1500)。洮南、扶余、前郭玉米R/V值接近1.0,乾安和镇赉R/V超过1.15,利于获得较高产量。
英文摘要:
      Based on the meteorological data from 1971 to 2015 in the western Jilin province, this study explored the variation of major climatic factors. The yield potential of hybrids with different GDD(growing degree day) were estimated using Hybrid-Maize model. The results showed that the annual variation of temperature, precipitation and sunshine hours were similar to those in growing season, the variation ranges in growing season were different from the annual average. The points of growing season mutation were different, temperature and precipitation had hysteresis, and the sunshine hours had advancement. The increasing of the temperature in growing season was higher than that of the whole year. The abrupt change is 10 years after the annual average. The long-term annual average precipitation is more volatile, and the precipitation in the growing season appears a clear upward trend. And since 2010, the growing season were the relatively humid phase. The decreasing of sunshine hours in the growing season is slower than the annual average. When seeding on April 30 with 60 000 plant/ha, the relatively long maturity hybrids are recommended for Qian'an, Taonan, Qianguo and the relatively short maturity hybrids are recommended for Fuyu, Zhenlai. Adjusting the R/V closed to 1.0 in Taonan, Fuyu, Qianguo, and higher than 1.15 in Zhenlai and Qian'an.
杨慧,王永军,吕艳杰,杨德光,韩英鹏,吴兴宏.吉林省半干旱区45年气候变化及基于Hybrid-Maize的玉米品种熟期选择[J].玉米科学,2017,25(6):51~57
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