小麦籽粒硬度分布的研究  

GRAIN HARCNESS DISTRIBUTIOIN IN WHEAT

作　　者：岳淑芳[1] 郭世华[1] 侯国峰[1] 廉博[1] 

机构地区：[1]内蒙古农业大学农学院,呼和浩特010019

出　　处：《内蒙古农业大学学报（自然科学版）》2008年第2期31-36,共6页Journal of Inner Mongolia Agricultural University(Natural Science Edition)

基　　金：国家自然科学基金项目(30460067);教育部"春晖计划"项目(Z2004-1-15012);内蒙古自治区自然科学基金项目(200408020312)

摘　　要：为了解春小麦籽粒硬度及其单粒硬度分布频率,采用Perten SKCS 4100型单粒谷物硬度仪对92份春小麦和21份冬小麦品种的籽粒硬度及其单籽粒分布频率进行了研究,结果表明,春小麦品种按籽粒硬度分为3类5级,硬质、混合麦和软质类型分别占参试春小麦的27.2%、54.3%和18.5%,硬质、混合和软质冬小麦分别占供试冬小麦的23.8%、28.6%和47.6%。东北春麦区以硬质为主,北部春麦区和西北春麦区则以混合类型为主。硬质麦硬度值变幅为58±18~86±16,硬度低于46和高于47的籽粒频率分别为1%~38%和62%~99%;混合麦硬度值为22±28~56±21,硬度指数低于46和高于47的籽粒分别占26%~79%和21%~74%;软质麦硬度值为1±16~40±13,硬度值低于46和高于47的籽粒分别为72%~99%和1%~28%。硬度值高于60的籽粒在90%以上的硬质品种有克旱16,硬度值低于33的籽粒频率在90%以上的软质品种有巴97-8397等5份。千粒重大于40.0g和粒径大于2.50mm的品种频率分别为20.6%和23.9%。Grain hardness and their single-kernel hardness distribution frequency for 92 spring wheat and 21 winter wheat cultivars were analyzed by Single Kernel Characterization System(SKCS).It showed that a total of 92 spring wheats were classified three types and five classes: The frequency of hard mixed and soft spring wheat were 27.2%,54.3% and 18.5%,which in winter wheat were 23.8%,28.6% and 47.6%,respectively.Among the five spring wheat regions,hard wheat shared higher percentage in the Northeast China Spring ...

关 键 词：普通小麦 籽粒硬度 SKCS 分布 

分 类 号：S51[农业科学—作物学]