Table 6. Analysis of historical and recent genetic bottleneck based on stepwise mutation model (SMM) of microsatellite evolution and Mode shift test for allele frequency distribution.
Population Name | Sign test (two tailed p-value) | Wilcoxon signed rank test (two tailed p-value | ||||
SMM | SMM | |||||
A | S | A+S | A | S | A+S | |
Dandeli (PA) | 0.002** | 0.022* | 0.002** | 0.008** | 0.016* | 0.008** |
Joida (NPA) | 0.020* | 0.616 | 0.113 | 0.055* | 0.937 | 0.040* |
Talakaveri (PA) | 0.124 | 0.022* | 0.002** | 0.375 | 0.015* | 0.008** |
Bondikadu (NPA) | 0.291 | 0.088 | 0.020* | 0.110 | 0.078 | 0.020* |
Agumbe (PA) | 0.022* | - | 0.020* | 0.040* | - | 0.039* |
Vadagere (NPA) | 0.020* | - | 0.021* | 0.040* | - | 0.040* |
Kemmangundi (PA) | 0.650 | 0.102 | 0.289 | 0.578 | 0.297 | 0.297 |
Multavara (NPA) | 0.248 | - | 0.097 | 0.375 | - | 0.039* |
Note: – = data absent. *P, <0.05; **P, <0.01. A = adults, S = seedlings.
The significance of gene diversity excess (He. Heq) is an indication of recent effective population size reductions (bottlenecks). The significance was tested using Sign test and Wilcoxon signed ranks test [44] based on 5000 replications.