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. 2021 May 3;7(5):e06949. doi: 10.1016/j.heliyon.2021.e06949

Table 1.

Probability (P) values from ANOVA relative to data from Figure 6A and Student–Newman–Keuls test. For the Student–Newman–Keuls test, within the same plant part (i.e. same column), different letters between cultivars within the same year, or between years within the same cultivar, are significantly different (P < 0.05).

Two-way ANOVA Roots Trunk Branches Leaves
Cultivar <0.001 0.888 0.028 <0.001
Year 0.534 0.008 <0.001 <0.001
Cultivar x Year
0.005
0.004
0.287
<0.001
One-way ANOVA
Arbequina (vs. 3 years) 0.279 0.001 <0.001 0.468
Frantoio (vs. 3 years) 0.006 0.229 <0.001 <0.001
2014 (Arb. vs. Fra.) 0.442 0.003 0.828 0.026
2016 (Arb. vs. Fra.) 0.522 0.106 0.161 0.014
2018 (Arb. vs. Fra.) <0.001 0.504 0.030 <0.001
Student–Newman–Keuls test
Year Cultivar Roots Trunk Branches Leaves
2014 Arbequina a b a a
Frantoio a a a b
2016 Arbequina a a a b
Frantoio a a a a
2018
Arbequina a a a b
Frantoio
b
a
b
a
Cultivar
Year
Roots
Trunk
Branches
Leaves
Arbequina 2014 a b a a
2016 a a b a
2018 a a c a
Frantoio 2014 a a a c
2016 a a b b
2018 b a c a