核农学报2011，Vol.25Issue(5)：1029-1035,7.
不同基因型大麦对钾的吸收、积累及分配特性
CHARACTERISTICS OF K ABSORPTION,ACCUMULATION AND DISTRIBUTION OF DIFFERENT BARLEY GENOTYPES
摘要
Abstract
In this study,a pot experiment with different levels of potassium（K） was conducted to reveal the differences in K absorption,accumulation and distribution between K-efficient barley genotype（Sandrime） and K-inefficient genotype（AC Westech）.Results showed that,during the whole growth period,K-efficient barley genotype has the higher plant height and biomass,but lower root-shoot ratio than K-inefficient barley genotype,and the K-deficiency symptom of（AC Westech） was more serious than Sandrime.The content of K in different organs of these two genotypes increased with the increasing dosage of K and declined gradually with the pushed growth stage,however,K-inefficient genotype has a higher K content as compared to K-efficient genotype.K accumulation in different organs of two genotypes increased with increasing application of K and growth.During different growth periods,there were no significant changes in the proportional distribution of K in barley root,but gradually increased in barley stem and decreased in barley leaf.关键词
大麦/基因型/含钾量/钾积累量/分配比例Key words
barley/genotype/K content/K accumulation/distribution ratio分类
农业科技引用本文复制引用
张锡洲,吴金涛,李廷轩,余海英,阳显斌..不同基因型大麦对钾的吸收、积累及分配特性[J].核农学报,2011,25(5):1029-1035,7.基金项目
国家自然科学基金资助项目 （）
国家科技支撑计划子课题 （）
