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

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

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

Asterisks indicate significant correlation at *p < 0.05; **p < 0.01; ***p < 0.001)

ISSN: 1471-2229