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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