应用生态学报2011，Vol.22Issue(11)：2907-2912,6.
钙对镉胁迫下花生生理特性、产量和品质的影响水
Effects of applying calcium on peanut physiological characteristics, its yield and kernel quality under cadmium stress
摘要
Abstract
Taking high-oil peanut cultivar Yuhual5 and high-protein peanut cultivar XB023 as test materials, a pot experiment was conducted in both 2009 and 2010 to study the effects of applying different concentration calcium (Ca) on the vegetative growth, leaf chlorophyll content, photosyn-thetic rate, and protective enzyme activities, as well as the yield and kernel quality of the cultivars under cadmium (Cd) stress. Applying Ca alleviated the inhibitory effects of Cd on the height growth of peanut main stem and the length growth of the branches, resulting in the increase of plant dry mass, and mitigated the Cd damage on peanut leaf, manifesting in the increase of leaf chlorophyll content, photosynthetic rate, superoxide dismutase (SOD), peroxidase (POD) , and catlase (CAT) activities, and soluble protein content, and the decrease of leaf malondialdeyde (MDA) content. Under the application of Ca, both the pod yield and the kernel yield increased, mainly because of the increase of pod number per plant and of the kernel number per pod. Applying Ca also promoted the transformation of soluble sugar into fat and protein in peanut kernel, increased the kernel fat and protein contents, and improved the kernel quality under Cd stress. Ca application decreased the kernel Cd content of the cultivars, with better effect on Yuhual5 than on XB023.关键词
花生/钙肥/镉胁迫/生理特性/产量/籽仁品质Key words
peanut/Ca fertilizer/Cd stress/physiological characteristics/yield/kernel quality.分类
农业科技引用本文复制引用
高芳,张佳蕾,杨传婷,张凤,杨晓康,林英杰,李向东..钙对镉胁迫下花生生理特性、产量和品质的影响水[J].应用生态学报,2011,22(11):2907-2912,6.基金项目
国家“十一五”科技支撑计划项目(2009BADA8 B03)、国家自然科学基金项目(30840056,31171496)和教育部博士点基金项目(20093702110007)资助. （2009BADA8 B03）
