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Table 8 Pearson correlation coefficients between leaf characteristics and leaf flavonoid concentrations (n = 27)

From: Effect of light regime and provenance on leaf characteristics, growth and flavonoid accumulation in Cyclocarya paliurus (Batal) Iljinskaja coppices

Leaf characteristics Flavonoid concentrations (mg g−1)
Total Quercetin Isoquercitrin Kaempferol
Leaf area per plant (cm2) −0.334 −0.614 −0.469 −0.339
Leaf thickness (μm) 0.859** 0.904** 0.962** 0.866**
Palisade length (μm) 0.829** 0.887** 0.948** 0.884**
Total chlorophyll concentration (mg g−1) −0.729* −0.636 −0.853** −0.746*
Chlorophyll ratio a/b 0.574 0.591 0.443 0.777*
  1. * and ** indicate correlation is significant at the 0.05 and 0.01 level, respectively