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作物杂志,2020, 第6期: 123–127 doi: 10.16035/j.issn.1001-7283.2020.06.017

• 生理生化·植物营养·栽培耕作 • 上一篇    下一篇

大麦籽粒灌浆期β-淀粉酶积累动态与气象因子关系研究

周元成(), 陈爱萍(), 曹永立, 王镇, 赵玉坤, 侯东红, 解丽丽   

  1. 山西农业大学（山西省农业科学院）小麦研究所,041000,山西临汾
  • 收稿日期:2020-03-20 修回日期:2020-05-08 出版日期:2020-12-15 发布日期:2020-12-09
  • 通讯作者: 陈爱萍
  • 作者简介:周元成,主要研究方向为大麦遗传规律及品种选育研究,E-mail： zyc8135@163.com
  • 基金资助:
    山西省农业科学院农业科技创新工程(YGC2019KQ04);山西省农业科学院生物育种工程项目(17yzgc017)

Relationship of β-amylase Accumulation in Barley Grain during Filling Stage and Meteorological Factors

Zhou Yuancheng(), Chen Aiping(), Cao Yongli, Wang Zhen, Zhao Yukun, Hou Donghong, Xie Lili   

  1. Institute of Wheat Research, Shanxi Agricultural University (Shanxi Academy of Agricultural Sciences), Linfen 041000, Shanxi, China
  • Received:2020-03-20 Revised:2020-05-08 Online:2020-12-15 Published:2020-12-09
  • Contact: Chen Aiping

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摘要：

为了明确大麦籽粒灌浆期β-淀粉酶动态与气象因子的内在联系,对两年间5个大麦品种籽粒灌浆期β-淀粉酶动态与气象因子进行了相关分析。结果表明,大麦籽粒灌浆期的β-淀粉酶活性呈升–降–升的动态过程,在成熟期达到最大值。偏相关分析和多元回归分析表明,大麦籽粒灌浆期β-淀粉酶活性与总积温呈极显著正相关,与总日照时数和日均日照时数的互作呈显著相关,与日均温、日均日照时数呈显著负相关,与总积温和日均温的互作、总雨量和日均日照时数互作呈极显著负相关,偏相关系数从大到小依次为总积温、总雨量和日均日照时数交互作用、总积温和日均温交互作用、总日照时数和日均日照时数交互作用、日均日照时数、日均温。

关键词: 大麦, 灌浆期, β-淀粉酶, 气象因子

Abstract:

In order to determine the relationship between the accumulation dynamic of β-amylase in barley grain during filling stage and the meteorological factors, the correlation analysis was carried out using five barley varieties in two years. The results showed that the activity of β-amylase in barley grain showed the change of increasing, decreasing and increasing during filling stage, and the maximum value occurred at maturity stage. Partial correlation analysis and multiple regression analysis showed β-amylase activity in barley grain was significantly positively correlated with total accumulated temperature, significantly correlated with interaction of total sunshine and average daily sunshine, significantly negatively correlated with the daily average temperature and average daily sunshine, extremely significantly negatively correlated with the interaction of total accumulated temperature and daily average temperature and the interaction of total rainfall and daily average sunshine. The partial correlation coefficients from big to small in order is total accumulated temperature, interaction between total precipitation and daily average sunshine, interaction between total accumulated temperature and daily average temperature, interaction between total sunshine and daily average sunshine interactions, daily average sunshine, and daily average temperature.

Key words: Barley, Grain filling stage, β-amylase, Meteorological factors

表1

大麦籽粒灌浆期气象因子年度差异

年份
Year		 积温Accumulated temperature (℃) 总积温
Total accumulated temperature (℃)		 日均温
Daily average
temperature (℃)		 降水量Rainfall (mm) 总雨量
Total
rainfall
(mm)		 日均雨量
Daily average
rainfall
(mm)		 总日照时数
Total
sunshine
hour (h)		 日均日照时数
Mean daily
average sunshine
hour (h)
5月上旬
Early May		 5月中旬
Mid-May		 5月下旬
Late May		 5月上旬
Early May		 5月中旬
Mid-May		 5月下旬
Late May
2013 206.9 216.5 212.2 869.8 22.89 3.5 2.2 76.2 83.5 2.2 270.2 7.11
2014 184.0 197.7 245.2 829.5 21.83 55.1 3.7 12.5 71.3 1.9 332.8 8.76

图1

2013-2014年大麦β-淀粉酶活性

表2

各因子间相关系数（n=40）

性状Characteristic Y X1 X2 X3 X4 X5 X6 X7 X8 X9
Y 1.000 0.468** 0.330* 0.209 0.009 0.418** -0.107 -0.429** -0.179 0.333*
X1 1.000 0.694** 0.834** 0.505** 0.935** -0.268 -0.989** -0.795** 0.842**
X2 1.000 0.436** 0.172 0.476** -0.843** -0.752** -0.375* 0.294
X3 1.000 0.857** 0.826** -0.128 -0.831** -0.972** 0.800
X4 1.000 0.561** -0.026 -0.527** -0.896** 0.605**
X5 1.000 -0.034 -0.907** -0.855** 0.973**
X6 -1.000 -0.356* -0.026* 0.217
X7 -1.000 -0.797** 0.815**
X8 -1.000 0.862**
X9 1.000

表3

各因子间偏相关系数（n=40）

性状Characteristic Y X1 X2 X6 X7 X8 X9
Y 1.000 0.483** -0.393* -0.405* -0.433** -0.462** -0.407*
X1 1.000 -0.879** -0.918** -0.982** -0.852** -0.905**
X2 -1.000 -0.983** -0.886** -0.949** -0.957**
X6 -1.000 -0.943** -0.953** -0.990**
X7 -1.000 -0.868** -0.947**
X8 -1.000 -0.958**
X9 -1.000
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