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中国农学通报 ›› 2014, Vol. 30 ›› Issue (24): 255-258.doi: 10.11924/j.issn.1000-6850.2014-0554

所属专题: 小麦

• 农学 农业基础科学 • 上一篇    下一篇

大麦籽粒β-葡聚糖含量的积累规律

臧慧   

  • 收稿日期:2014-03-05 修回日期:2014-05-16 出版日期:2014-08-25 发布日期:2014-08-25
  • 基金资助:
    江苏省农科科技自主创新资金“大麦籽粒β-葡聚糖积累机理研究”(CX(11)4025);盐城市农业科技创新专项引导资金项目“耐盐大麦种质引进及丰产栽培技术研究”(YK2011024);现代农业(大麦青稞)产业技术体系建设专项资金(CARS-05)。

Dynamics of β-Glucan Accumulation in Barley Seeds

  • Received:2014-03-05 Revised:2014-05-16 Online:2014-08-25 Published:2014-08-25

摘要: 为了解不同播期对大麦籽粒β-葡聚糖含量的影响及大麦籽粒β-葡聚糖含量的积累规律,以‘苏啤6号’和‘藏青25’为试验材料,在2年3个播期下,测定开花后多个时期大麦籽粒β-葡聚糖含量。结果表明,不同播期下,‘苏啤6号’籽粒β-葡聚糖含量无差异,‘藏青25’籽粒β-葡聚糖含量差异显著,播期为11月上旬时β-葡聚糖含量最高;在正常播期下(10月下旬),大麦β-葡聚糖含量从开花到开花后30天间,呈逐渐增长的趋势,开花后30天以后趋于稳定;花后籽粒β-葡聚糖含量的积累速率在花后1~5天、20~25天积累速率呈现峰值。播期对不同大麦品种籽粒β-葡聚糖影响不同,花后1~5天、20~25天是大麦籽粒β-葡聚糖含量积累的关键期。

关键词: 分析, 分析

Abstract: The aim of the study was to understand the impact of different sowing time on grainβ- glucan content and the dynamic variation of grainβ- glucan in barley.‘Supi6’and‘Zangqing 25’were used as research materials in this study. The grainβ-glucan content for each material was tested at different stage after flowering in condition of three sowing times in two years. The results showed that: the grainβ-glucan content in‘Supi6’was not affected by sowing time, while it in‘Zangqing 25’was affected significantly by sowing time and reached the highest in early November. With normal sowing time, grainβ-glucan content concentration in barely was increased gradually from blossoming to the 30th day after flowering and was stabilized after that. Accumulation rate ofβ-glucan content reached two peaks at 1-5 days and 20-25 days after flowering. The effect of the sowing time was different on different barleys, and 1-5 days and 20-25 days after flowering were the key time of the accumulation rate.