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中国农学通报 ›› 2016, Vol. 32 ›› Issue (33): 24-28.doi: 10.11924/j.issn.1000-6850.casb16070098

所属专题: 小麦 农业气象

• 农学 农业基础科学 • 上一篇    下一篇

气候变暖下品种更新对河西地区春小麦生育期与产量的影响

尚艳,柴守玺   

  1. 甘肃农业大学生命科学技术学院,甘肃农业大学农学院
  • 收稿日期:2016-07-18 修回日期:2016-08-19 接受日期:2016-08-25 出版日期:2016-11-25 发布日期:2016-11-25
  • 通讯作者: 柴守玺
  • 基金资助:
    :公益性行业(气象)科研专项(重大专项)“干旱气象科学研究—我国北方干旱致灾过程及机理”(GYHY201506001-1);公益性行业(气象)科 研专项“小麦条锈病发病的气象成因及气象指标研究”(GYHY201406036)。

Effect of Cultivar Renovation on Growth Period and Yield of Spring Wheat in Hexi Area Under Climate Warming

  • Received:2016-07-18 Revised:2016-08-19 Accepted:2016-08-25 Online:2016-11-25 Published:2016-11-25

摘要: 利用甘肃省张掖农业气象观测站 1986—2014年春小麦的观测资料和同期气象数据,采用相关分析、趋势分析和方差分析等方法,研究气候变暖背景下品种更新对河西地区春小麦生育期与产量的影响。结果表明:29年来该地区气温显著升高,递增率为0.81℃/10a;降水量减少,年递减率为2.09mm/10a,气候呈现变暖趋势。温度增加与品种更新均对生育期天数的减少有明显促进作用。通过分析产量与气象要素、产量要素及品种的关系,可以发现穗粒数和品种更新均导致了春小麦产量的显著提高。

关键词: 薇甘菊, 薇甘菊, 提取物, 椰心叶甲, 生物活性

Abstract: The observed data of spring wheat from 1986 to 2014 in the agricultural meteorological observation station of Zhangye, Gansu Province and the meteorological data in the same period were used in this study, the effect of cultivar renovation on the growth period and yield of wheat in Hexi area under climate warming was analyzed by the method of correlation analysis, trend analysis and variance analysis. The results showed that the temperature of this area increased significantly in the 29 years and the annual increase rate was 0.81℃/10 a; while the precipitation decreased with the annual decrease rate of 2.09 mm/10 a, the climate tended to be warm. The increase of temperature and cultivar renovation decreased the days of growth period. The analysis of the relationship between yield and climatic factors, yield components and cultivars showed that grain number per spike and cultivar renovation all leaded to the significant improvement of spring wheat yield.