Table 3. Frequency and distribution of rph2 P45/49S resistance variant in Indian populations of R. dominica and T. castaneum.
Species | Location by state | No. of insect tested |
Total of each genotype |
R alleles (%) | S alleles (%) | Individuals with R allele (%) | ||
---|---|---|---|---|---|---|---|---|
R | S | H | ||||||
R. dominica | Tamil Nadu | 35 | 8 | 2 | 25 | 58.6 | 41.4 | 94.3 |
Andhra Pradesh | 21 | 3 | 5 | 13 | 45.2 | 54.8 | 76.2 | |
Karnataka | 32 | 7 | 7 | 18 | 50.0 | 50.0 | 78.1 | |
T. castaneum | Tamil Nadu | 39 | 25 | 1 | 13 | 80.8 | 19.2 | 97.4 |
Andhra Pradesh | 45 | 13 | 2 | 30 | 62.2 | 37.8 | 95.6 | |
Karnataka | 40 | 19 | 1 | 20 | 72.5 | 27.5 | 97.5 |
Abbreviations: H, heterozygous; R, homozygous resistant; S, homozygous susceptible.