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Table 4 Correlations (Pearson´s correlation) between chlorophyll content and chlorophyll fluorescence-related parameters of wheat under application of PolyPs and OrthoP at three P doses

From: Polyphosphate application influences morpho-physiological root traits involved in P acquisition and durum wheat growth performance

P fertilizers Fluorescence Parameters Chla Chlb Chlt CCI
PolyC Fv/Fm 0.26 -0.33 -0.07 0.70**
ABS/RC -0.40 0.51* 0.11 -0.49*
PI 0.33 -0.47* -0.14 0.77**
PolyB Fv/Fm -0.03 0.10 0.05 0.29
ABS/RC 0.15 -0.26 -0.07 -0.10
PI 0.05 0.03 0.07 0.19
PolyA Fv/Fm -0.26 -0.06 -0.26 -0.33
ABS/RC 0.09 0.18 0.18 -0.29
PI -0.31 -0.15 -0.36 -0.08
OrthoP Fv/Fm 0.57** -0.01 0.45* 0.51*
ABS/RC -0.51* -0.14 -0.47* -0.46*
PI 0.54** 0.17 0.51* 0.47*
P0 Fv/Fm -0.12 -0.26 -0.34 -0.03
ABS/RC 0.29 -0.77* -0.80* -0.04
PI -0.24 0.49 0.49 0.31
  1. Asterisks indicate significant correlation at *p < 0.05; **p < 0.01; ***p < 0.001)