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Table 3 Variation in chlorophyll fluorescence 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 Doses (kg P/ha) Fv/Fm ABS/RC PI
PolyC 30 0.82 b 2.23 d 1.17 ab
60 0.82 a 2.29 cd 1.22 a
90 0.8 a 2.38 cd 0.76 cd
PolyB 30 0.8 ab 2.43 cd 0.71 cde
60 0.80 a 2.38 cd 0.89 abc
90 0.77 ab 2.71 ab 0.52 de
PolyA 30 0.81 ab 2.35 cd 0.93 abc
60 0.79 a 2.38 cd 0.7 cde
90 0.8 ab 2.5 bc 0.79 cd
OrthoP 30 0.80 a 2.39 cd 0.89 abc
60 0.80 ab 2.48 bcd 0.75 cde
90 0.80 a 2.36 cd 0.86 bc
P0 0.77 a 2.81 a 0.42 e
P *** *** ***
D ** ** ***
P * D *** * ***
  1. Means (n = 8) that do not share the same letters in the column differ significantly according to Tukey's test (p < 0.05). Asterisks indicate significant differences between P-fertilizers (P), P doses (D) and their interactions (P*D) (ns. not significant; *p < 0.05; **p < 0.01; ***p < 0.001)