Table 2.
Association between geographic origin, host species, viral strain, and length of pipo allele with the distribution of viral isolates in the MCC phylogenetic tree obtained for PPV
| Analyses | # Isolates | Association statistics | Test value | P |
|---|---|---|---|---|
| Geographic origin |
|
PS |
22.722 |
< 0.001 |
| |
|
AI |
4.167 |
< 0.001 |
| Asia |
39 |
MC |
4.205 |
0.010 |
| America |
20 |
MC |
2.283 |
0.010 |
| Europe |
6 |
MC |
1.120 |
0.010 |
| Host species |
|
PS |
24.777 |
< 0.001 |
| |
|
AI |
4.614 |
< 0.001 |
| Apricot |
38 |
MC |
3.993 |
0.010 |
| Peach |
16 |
MC |
1.855 |
0.010 |
| Plum |
6 |
MC |
1.144 |
0.030 |
| Cherry |
4 |
MC |
1.054 |
0.010 |
| Almond |
1 |
MC |
NA1 |
|
| Strain |
|
PS |
5.850 |
< 0.001 |
| |
|
AI |
1.222 |
< 0.001 |
| D |
53 |
MC |
11.381 |
0.010 |
| C |
5 |
MC |
1.145 |
0.010 |
| M |
1 |
MC |
NA1 |
|
| PIPO length |
|
PS |
9.598 |
< 0.001 |
| |
|
AI |
2.070 |
< 0.001 |
| 103 |
59 |
MC |
9.409 |
0.010 |
| 106 |
9 |
MC |
1.345 |
0.010 |
| 100 | 1 | MC | NA1 |
AI: Association index, PS: Parsimony score, MC: Maximum monophyletic clade size.
1insufficient sample size (n < 2).