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中国农学通报 ›› 2014, Vol. 30 ›› Issue (9): 192-197.doi: 10.11924/j.issn.1000-6850.2013-1653

所属专题: 马铃薯

• 农学 农业基础科学 • 上一篇    下一篇

甘薯不同品种田间产量与淀粉糊化特性的比较研究

郑建利 刘桂玲 刘中良 杨俊 田长庚 赵丰玲 孙哲 张鹏   

  • 收稿日期:2013-06-14 修回日期:2013-07-15 出版日期:2014-03-25 发布日期:2014-03-25
  • 基金资助:
    国家 “863” 计划项目资助 “薯类 (甘薯、 木薯) 生物育种技术与新品种选育研究” (2012AA101204); 泰安市重点良种工程: 泰科农[2010]7号。

Study on Yield and Starch Gelatinization Characteristics of Different Sweet Potato Varieties

  • Received:2013-06-14 Revised:2013-07-15 Online:2014-03-25 Published:2014-03-25

摘要: 为了系统比较研究不同品种甘薯的产量、干率、淀粉含量及淀粉糊特性之间的差异和相关性。采用大田试验,测定了中国近年来31个甘薯主栽品种的产量、干率和淀粉含量,并利用快速粘度分析仪(RVA)测定了这些甘薯品种淀粉的糊化特性。结果表明,供试各品种间以‘南薯88’单株薯重最高,达到1.56 kg/株;品种间干率和淀粉率也存在一定差异,变幅分别为20.57%~40.87%和11.54%~29.13%;鲜薯产量以‘南薯88’最高,达到78065.61 kg/hm2,其次是‘泰中10号’,为63325.17 kg/hm2,各品种间差异极显著。不同品种的RVA谱差异明显,主要表现在各个黏滞性特征值上,其中最终粘度和回复值的品种间差异较大。峰值粘度与终值黏度、峰值黏度与回复值、谷值黏度与终值黏度、谷值黏度与回复值、终值黏度与回复值间均存在显著正相关,糊化温度与各特征值(除峰值时间)存在负相关。

关键词: 肉仔鸡, 肉仔鸡

Abstract: The aim was to compare and study the difference and correlation of these sweet potato varieties among yield, dry matter, starch matter and starch gelatinization characteristics systematically. In field experiments, the yield, dry matter and starch matter of thirty- one sweet potato varieties widely planted in China were studied. The Rapid Visco- Analyzer (RVA) was used to determine the starch gelatinization characteristics of these cultivars. The results showed that the fresh weight per plant of‘Nanshu88’was the highest, reaching 1.56 kg/plant. The ranges of dry matter and starch matter were 20.57%-40.87%, 11.54%- 29.13% , respectively. Fresh yield of‘Nanshu88’was the highest, reaching 78065.61 kg/hm2, followed by‘Taizzhong10’, 63325.17 kg/hm2. Differences were found among RVA profiles in different varieties of sweet potato, especially the final viscosity and the setback of starch viscosity characteristics. The correlation analysis showed positive relationships between peak viscosity and final viscosity, peak viscosity and setback, trough viscosity and final viscosity, trough viscosity and setback, final viscosity and setback, and negative correlations between the pasting temperature and each starch RVA profiles characteristics (except peak time).