安徽农业大学学报2012，Vol.39Issue(2)：243-246,4.
失水程度及基质重对油茶容器苗生长和生理特性的影响
Effect of dehydration degree and weight of substrate on the growth and physiological characteristics of Camellia oleifera container seedlings
摘要
Abstract
In this paper, relationship between the weight of container substrate and the aboveground biomass of seedlings, and relationship between the container substrate dehydration degree of Camellia oleifera and the enzyme activities of peroxidase (POD), catalase (CAT), and the relative conductivity were studied. The results showed that: (1) The weight of container substrate was positively related with the aboveground biomass, and the regression equa tion was>> = 0.059 x + 0.9194. (2) There was a negative parabola correlation of the ratio of the weight of container substrates and the aboveground biomass in the different dehydration conditions. (3) The leaf relative conductivity firstly decreased then increased as dehydration degree increased with the relative conductivity reached its lowest value at 20% dehydration degree, followed by a sharp increasing trend. (4) CAT and POD activity firstly decreased then increased and finally inactivated as the dehydration degree increasing, and the enzyme activities reached its peak when the dehydration degree was 40%. (5) All the tests showed that physiological activity of seedlings was op timum when the dehydration degree was 20%. Therefore, the dehydration degree of container substrate should be controlled in 20% in the process of cultivating container seedlings of C. Oleifera in the future.关键词
油茶容器苗/失水程度/POD/CAT/相对电导率/基质Key words
container seedling of Camellia oleifera/ dehydration degree/ POD/ CAT/ relative conductivity/ substrate分类
农业科技引用本文复制引用
胡娟娟,曹志华,束庆龙,文佳,张鑫,李春生,詹文勇..失水程度及基质重对油茶容器苗生长和生理特性的影响[J].安徽农业大学学报,2012,39(2):243-246,4.基金项目
安徽省科技成果转化项目(1104a0303065)和安徽省油茶良种工程技术研究中心共同资助. （1104a0303065）
