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. 2026 Feb 16;14:e20651. doi: 10.7717/peerj.20651

Table 1. Significance of variables compared to phosphorus source (P), bacterial strain (S), and phosphorus source * bacterial strain (P+S).

Variables were determined at 7, 14, 21, and 28 days after inoculation (DAI), and those that were determined at 28 DAI.

DAI PH SD NL SPAD Chl a Chl b CA LA APFW APDB RFB RDB RV RL NAP PhAP KAP
Phosphorus source (P)
7 * * ns * – – – – – – – – – – – – –
14 ns ns ns * – – – – – – – – – – – – –
21 ns ns * * – – – – – – – – – – – – –
28 * * – * * * * * ns ns * * * * * * ns
Bacterial strain (S)
7 ns ns ns ns – – – – – – – – – – – – –
14 ns * * ns – – – – – – – – – – – – –
21 ns ns * * – – – – – – – – – – – – –
28 * ns – * ns ns * * * * ns * * * ns ns ns
Interaction (P×S)
7 * ns * ns – – – – – – – – – – – – –
14 ns ns ns ns – – – – – – – – – – – – –
21 ns ns * * – – – – – – – – – – – – –
28 * ns – ns ns ns ns * * ns ns ns * * * * ns

Notes.

Significant differences p ≤ 0.05.

*

non-significant differences (ns), no data registered (-).

DAI
Days after inoculation
PH
plant height
SD
shoot diameter
NL
number of leaves
SPAD
chlorophyll content index
Chl a
chlorophyll a
Chl b
chlorophyll b
CA
carotenoids
LA
leaf area
APFW
aerial part fresh weight
APDB
aerial part dry biomass
RFB
root fresh biomass
RDB
root dry biomass
RV
root volume
RL
root length
NPA
nitrogen in aerial part
PhAP
phosphorus in aerial part
KAP
potassium in aerial part