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Table 7 Pearson correlation coefficients between environmental parameters 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

Environmental factor

Flavonoid concentrations (mg g−1)

Total

Quercetin

Isoquercitrin

Kaempferol

Monthly light intensity (μmol m−2 s−1)

0.580*

0.771**

0.780**

0.785**

Monthly air temperature (°C)

0.240

0.298

0.481

0.292

Monthly relative humidity (%)

−0.257

−0.404

−0.316

−0.439

  1. * and ** indicate correlation is significant at the 0.05 and 0.01 level, respectively