‘川麦42’ב川农16’重组自交系的主要淀粉特性研究
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  • 英文篇名:Study on Main Starch Properties in Recombinant Inbred Lines of Chuanmai42 × Chuannong16
  • 作者:代小梅 ; 李俏 ; 邓光兵 ; 龙海 ; 余懋群 ; 潘志芬
  • 英文作者:DAI Xiao-mei;LI Qiao;DENG Guang-bing;LONG Hai;YU Mao-qun;PAN Zhi-fen;Chengdu Institute of Biology,Chinese Academy of Sciences;University of Chinese Academy of Sciences;
  • 关键词:重组自交系 ; 膨胀势 ; 淀粉糊化特性 ; α-淀粉酶
  • 英文关键词:RILs;;Swelling power;;Starch pasting property;;α-amylase
  • 中文刊名:XNYX
  • 英文刊名:Southwest China Journal of Agricultural Sciences
  • 机构:中国科学院成都生物研究所;中国科学院大学;
  • 出版日期:2019-01-28
  • 出版单位:西南农业学报
  • 年:2019
  • 期:v.32
  • 基金:国家重点基础研究发展计划“973计划”(2014CB138100)
  • 语种:中文;
  • 页:XNYX201901002
  • 页数:6
  • CN:01
  • ISSN:51-1213/S
  • 分类号:20-25
摘要
【目的】为了解‘川麦42’ב川农16’重组自交系主要淀粉特性差异及不同环境对淀粉特性的影响。【方法】对2015年和2016年种植于四川双流、什邡2个试验基地的包含110个株系的‘川麦42’ב川农16’重组自交系(recombinant inbred lines,RILs)群体进行膨胀势和糊化特性测定。【结果】‘川麦42’ב川农16’重组自交系在两年三点的膨胀势、糊化特性及α-淀粉酶活性均呈现很大变异,分布大致呈正态分布;膨胀势集中于9. 00~11. 00,峰值时间集中于5. 00~6. 00 min,峰值温度集中于85. 0~89. 0℃,峰值粘度集中于900~1100 BU,最低粘度集中于600~800 BU,最终粘度集中于1000~1200 BU,崩解值集中于200~400BU,回升值集中于400~500 BU;不同种植试验点对膨胀势和糊化特性的影响均大于年份的影响,种植于双流试验点的材料的膨胀势显著高于什邡试验点,α-淀粉酶活性显著小于什邡试验点。【结论】可根据育种需要选择具有适宜淀粉特性指标的材料加以利用。
        【Objective】This study is to understand the difference of main starch properties in the RILs of Chuanmai 42 × Chuannong 16 and the influence of different environments on the starch properties.【Method】The swelling power and starch pasting property were measured by using a set of 110 recombinant inbred lines( RILs) derived from a Chuanmai42 × Chuannong 16 cross planted at Shuangliu and Shenfang in Sichuan province in 2015 and 2016. 【Result】In the two years and three enviroments,the swelling power,starch pasting property and α-amylase activity of RILs of Chuanmai42 × Chuannong16 showed great variation,and the distribution of which were in accrodance with normal distribution. The swelling power value ranged from 9. 00-11. 00,peak time ranged from 5. 00-6. 00 min,pasting temperature ranged from85. 0-89. 0 ℃,peak viscosity ranged from 900-1100 BU,trough viscosity ranged from 600-800 BU,final viscosity ranged from 1000-1200 BU,breakdown ranged from 200-400 BU,and setback value ranged from 400-500 BU. Comparing with planting years,locations had greater effect on difference in swelling power and starch pasting property. In addition,the RILs planted at Shuangliu had significantly higher swelling power and significantly lower α-amylase activity than Shenfang.【Conclusion】Some lines with approprite starch properties can be selected and utilized according to breeding requirents.
引文
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