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Position: Home > Articles > Correlation Analysis of SPAD Value and Photosynthetic Pigment in Sugarbeet Leaves Journal of Agriculture 2019 (10) 65-70

甜菜叶片SPAD值和光合色素的相关性研究

作  者：
郝学明;王响铃;宋柏权;王孝纯;王秋红;周建朝
单  位：
黑龙江大学/黑龙江省寒地生态修复与资源利用重点实验室/黑龙江省普通高等学校甜菜遗传育种重点实验室
关键词：
甜菜;SPAD值;叶绿素含量;类胡萝卜素含量
摘  要：
明确甜菜叶片SPAD值与光合色素含量的关系,为甜菜氮素营养诊断提供理论基础。通过测定不同甜菜品种苗期叶片SPAD值、叶绿素a、叶绿素b、叶绿素总含量及类胡萝卜素含量,分析品种间SPAD值、叶绿素含量的差异以及SPAD值分别与不同光合色素的相关性。结果表明:甜菜叶片叶绿素a含量>叶绿素b含量>类胡萝卜素含量,不同光合色素及SPAD值品种间存在差异。叶片SPAD值与光合色素呈正相关,其中总叶绿素含量与SPAD值的相关性最高,r=0.7766;叶绿素a、叶绿素b含量与SPAD值的相关性次之,而类胡萝卜素与SPAD值的相关性最低,r=0.5704。利用SPAD值预测甜菜叶片叶绿素含量,为甜菜生产中快速无损地进行植株营养诊断是可行的。
译  名：
Correlation Analysis of SPAD Value and Photosynthetic Pigment in Sugarbeet Leaves
作  者：
Hao Xueming;Wang Xiangling;Song Baiquan;Wang Xiaochun;Wang Qiuhong;Zhou Jianchao;Heilongjiang University/Heilongjiang Provincial Key Lab of Cold Region Ecological Restoration and Resource Utilization/Key Laboratory of Sugarbeet Genetic Breeding, Heilongjiang Common College;
关键词：
Sugarbeet;;SPAD Value;;Chlorophyll Content;;Carotenoid Content
摘  要：
The paper aims to clarify the correlation between SPAD value and photosynthetic pigment content in sugarbeet leaves, and provide a basis for nitrogen nutrition diagnosis of sugarbeet. The leaf SPAD value,chlorophyll a, chlorophyll b, total chlorophyll content and carotenoid content in leaves of sugarbeet varieties at seedling stage were measured, and the differences of SPAD value, chlorophyll content and the correlation of SPAD value with different photosynthetic pigments were analyzed. The results showed that there were differences in chlorophyll a, chlorophyll b, total chlorophyll, carotenoid and SPAD values among varieties,chlorophyll a content> chlorophyll b content> carotenoid content in sugarbeet leaves. There was a positive correlation between leaf SPAD value and chlorophyll content, in which the correlation between total chlorophyll content and SPAD value was the highest(r=0.7766), followed by the that between chlorophyll a, chlorophyll b content and SPAD value, while the correlation between carotenoid and SPAD value was the lowest(r=0.5704).Therefore, it is feasible to use SPAD value to predict the content of chlorophyll in beet leaves and diagnose plant nutrition rapidly and nondestructively in beet production.

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