干旱地区农业研究Issue(1)：278-283,290,7.DOI:10.16302/j.cnki.1000-7601.2015.01.045
不同基因型啤酒大麦品种（系）籽粒灌浆特征及产量性状
Characterizations of grain-filling and yield in malting barley cultivars of different genotypes
摘要
Abstract
Mon-factor Randomized Complete Block Design (RCBD ) experiment was conducted to analyze the index-es including grain-filling and yield characteristics of nine malting barley cultivars .Results indicated that the grain-filling processes in malting barley cultivars of different genotypes exhibited changes in an S-like shape ,relationship of theirs be-tween days after flowering and thousand grain weight all best fitted the Logistic Growth Equation (LGE) ,and the varia-tions of their grain-filling rates were all in slow-fast-slow trend .The gain of grain weight happened earlier in cultivars with tall plant and wide flag leaf than others .Filling rate reached its only peak earlier in cultivars with strong tillering ability and wide flag leaf than other cultivars that owned two peak rates .The cultivars with moderate plant height ,tillering abili-ty ,and flag leaf ,retained a high filling rate for a relative long time .Among parameters related to filling characteristics , the grey correlation degrees between Rmax and yield ,between R and thousand grain weight ,and between C0 contribution and earlier growing stage ,remained the highest .Ear length ,grain weight per ear ,and seeds per ear in cultivars with wide flag leaf ,high tillering ability ,and strong drought resistance ,were found to reach their best levels ,which might be advantageous in production and useful for breeding .The yields per unit area were high in 0110-16 and Ganpi 7 which could be extended for production .关键词
啤酒大麦/基因型/品种(系)/灌浆特征/产量性状Key words
malting barley/genotype/cultivar/grain-filling characteristic/yield characteristic分类
农业科技引用本文复制引用
刘建华,闫志利,潘永东,张华瑜,柳小宁..不同基因型啤酒大麦品种（系）籽粒灌浆特征及产量性状[J].干旱地区农业研究,2015,(1):278-283,290,7.基金项目
国家自然基金项目 （）
