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Journal of Zhejiang University SCIENCE B 2006 Vol.7 No.5 P.386-392


Genotypic and environmental variation in barley limit dextrinase activity and its relation to malt quality

Author(s):  Wang Xu-dong, Yang Juan, Zhang Guo-ping

Affiliation(s):  Department of Agronomy, Zhejiang University, Hangzhou 310029, China

Corresponding email(s):   zhanggp@zju.edu.cn

Key Words:  Barley (Hordeum vulgare L.), Limit dextrinase activity, Genotype, Environment, Malt quality

Wang Xu-dong, Yang Juan, Zhang Guo-ping. Genotypic and environmental variation in barley limit dextrinase activity and its relation to malt quality[J]. Journal of Zhejiang University Science B, 2006, 7(5): 386-392.

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author="Wang Xu-dong, Yang Juan, Zhang Guo-ping",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Genotypic and environmental variation in barley limit dextrinase activity and its relation to malt quality
%A Wang Xu-dong
%A Yang Juan
%A Zhang Guo-ping
%J Journal of Zhejiang University SCIENCE B
%V 7
%N 5
%P 386-392
%@ 1673-1581
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.B0386

T1 - Genotypic and environmental variation in barley limit dextrinase activity and its relation to malt quality
A1 - Wang Xu-dong
A1 - Yang Juan
A1 - Zhang Guo-ping
J0 - Journal of Zhejiang University Science B
VL - 7
IS - 5
SP - 386
EP - 392
%@ 1673-1581
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.B0386

Variation in the limit dextrinase activity of barley malt, and the relationships between limit dextrinase activity and malt quality parameters were investigated using eight cultivars grown at seven diverse locations in China for two successive years. limit dextrinase activity varied with genotype and location, with the levels ranging from 0.245 U/g to 0.980 U/g. The results showed that the variation in limit dextrinase activity was more attributable to the environment (location and year) than to the genotype. The response of limit dextrinase activity to the environment differed markedly among cultivars, and was reflected by large difference in coefficient of variation of cultivars across diverse locations. Regression analysis showed that limit dextrinase activity was negatively correlated with malt viscosity (r=−0.52, P<0.01), positively correlated with Kolbach index (r=0.38, P<0.01) and malt extract (r=0.30, P<0.05), but had no significant correlation with malt protein content and diastatic power.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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