Correlation Analysis of SPAD Value with Chlorophyll Content and Economic Yield Traits of Brassica napus L

The aim was to compare differences of SPAD value, chlorophyll content, agronomic characters, economic characters and yield traits to analyze correlation of SPAD value with other indices and establish regression functions. Based on 34 Brassica napus L. varieties, SPAD value, chlorophyll content, agro...

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Published inHunan agricultural science & technology newsletter : HASTN Vol. 14; no. 10; p. 1421
Main Authors Gao, Jianqin, Pu, Huiming, Zhang, Jiefu, Long, Weihua, Chen, Feng, Zhou, Xiaoying, Zhang, Wei
Format Journal Article
LanguageEnglish
Published Changsha Wu Chu (USA-China) Science and Culture Media Corporation 01.10.2013
Subjects
Carotenoids
Chlorophyll
Correlation analysis
Leaves
Nitrogen
Rape plants
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Summary:The aim was to compare differences of SPAD value, chlorophyll content, agronomic characters, economic characters and yield traits to analyze correlation of SPAD value with other indices and establish regression functions. Based on 34 Brassica napus L. varieties, SPAD value, chlorophyll content, agronomic characters, economic characters and yield traits were measured and regression functions were established according to correlations. SPAD value, chlorophyll content, agronomic and economic characters and yield traits all achieved significant level in differences among 34 varieties. Specifically, SPAD value was of extremely significant correlation with chlorophyll a and b, total chlorophyll and carotenoid, and the correlation from high to low was chl-b>chl-z>chl-a>chl-x. SPAD value was of significantly positive correlation with total pod number per plant, plant height, seed number per pod, yield per plant and harvest yield, and of insignificant correlation with branch point height, effective branch number, pod density of main stem, and pod length.
ISSN:1009-4229