Relationships between high-molecular-weight glutenin subunit (HMW-GS), pentosan and various component contents in different wheat varieties  

Relationships between high-molecular-weight glutenin subunit (HMW-GS), pentosan and various component contents in different wheat varieties

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作  者:LI Chun-xi ZHANG Bei-bei SHAO Yun JIANG Li-na LI Dan-dan 

机构地区:[1]College of Life Sciences, Henan Normal University, Xinxiang 453007, China

出  处:《Journal of Life Sciences》2007年第1期22-29,33,共9页生命科学(英文版)

摘  要:The composition of HMW-GS and pentosan and its various component contents in different wheat varieties were analyzed. According to scores of these subunits in several wheat varieties, the correlation relationship between the composition of HMW-GS, subunit combination types and pentosan, various components and component ratio were ascertained. The results showed that HMW-GSs were very diverse which had 11 types. In different varieties, the variation of Ara was obvious while Xyl was not; pentosan and its various component contents were very different, and their coefficient of variability was quite high. The majority of parameters had a significant negative correlation with Glu-1 where Glu-D1 was stronger than other two loci. N, 7, 17+18 and 2+12 subunits had influence on pentosan and its various component contents. But some subunits such as 1 and 5+ 10 which are good for baking quality had little contribution to pentosan and various component contents. The pentosan and various component contents were higher in the varieties which had (N, 7, 2+12) subunit combinations. Additionally, the 21 varieties were classified into 4 categories according to HMW-GS scores and pentosan content.

关 键 词:WHEAT HMW-GS PENTOSAN correlation classification 

分 类 号:S512.1[农业科学—作物学] TN918.1[电子电信—通信与信息系统]

 

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