摘要
薄壳苦荞(米苦荞)和多年生苦荞被称为新类型苦荞,相关研究极少。试验以九江苦荞为对照对5个米苦荞和3个多年生苦荞品种的籽粒性状和米粒品质进行分析。结果表明:不同类型不同品种间的苦荞籽粒性状和米粒品质均存在显著差异,贵米苦系列(Fagopyrum tataricum Gaertn.)总黄酮含量、粗蛋白含量、总淀粉含量、支链淀粉含量显著高于对照九江苦荞;贵多苦系列品种(F.tatari-cymosum Chen)除支链淀粉含量外均显著高于对照九江苦荞;贵米苦荞与贵多苦荞相比较,贵米苦荞仅在总黄酮含量、支链淀粉含量和50 mL容重上优于贵多苦荞,其他指标均低于贵多苦荞。相关分析表明,除了总黄酮含量与所有分析指标没有显著关系外,供试材料籽粒性状及品质间存在显著或极显著相关,特别是千粒重与百粒米重、百粒壳重、果壳率存在极显著正相关,表明千粒重、百粒米重、百粒皮壳重、皮壳率之间关系密切。支链淀粉含量与总淀粉含量呈显著正相关。同时,偏相关分析还表明粗蛋白含量在不同水平上与总淀粉含量、千粒重、百粒米重均存在显著正相关。
Rice tartary buckwheat with thin shell（ Fagopyrum. tataricum G.） and perennial tartary buckwheat（F. tatari-cymosum Chen） are called as the new-type tartary buckwheat and there is little reports available about them. In this study the grain characters and quality in 5 rice tartary buckwheat varieties and 3 perennial tartary buckwheat varieties were analyzed with Jiujiang Kuqiao as the control. The results showed that ：there are significant differences in grain characters and quality of these varieties. The contents of total flavonoids,crude protein,total starch,and pullulan in rice tartary buckwheat are significantly higher than those of Jiujiang kuqiao（CK）,however,the pullulan in the F. tatari-cymosum was significantly higher than that of Jiujiang kuqiao（CK）. As comparison with perennial tartary buckwheat,rice tartary buckwheat has higher the content of total flavonoids,amylopectin and 50 mL VM. Correlation analysis showed that there is no significant correlation between the total flavonoid and other indexes. There are,however,significant positive correlationships between SW and 100 GKW,100 GSW. The pullulan content has significantly positive correlation with total starch content. Moreover,partial correlation also showed that there was significant positive correlation between the content of crude protein and total starch,SW,100 GKW at different levels.
作者
杨丽娟
陈庆富
李洪有
YANG Li-juan;CHEN Qing-fu;LI Hong-you(Research Center of Buckwheat Industry Technology,Guizhou Normal University,Guiyang 550001,China)
出处
《广东农业科学》
CAS
2018年第5期7-13,共7页
Guangdong Agricultural Sciences
基金
国家燕麦荞麦现代农业产业技术体系专项资金(CARS-07-A-5)
国家自然科学基金(31471562)
贵州省高层次创新型人才培养对象十百千计划项目(2014GZ97588)
贵州省荞麦工程技术研究中心项目(黔科合农G字[2015]4003号)
贵州省农业攻关项目(黔科合农[2017]005)
关键词
米粒品质
籽粒性状
相关性
米苦荞
多年生苦荞
grain quality
grain character
correlation
rice tartary buckwheat
perennial tartary bucwkheat
