Research Article

Effect of Malathion on Reproductive Parameters of Engorged Female Rhipicephalus (Boophilus) microplus Ticks of Punjab Districts, India

Table 3

Effect of malathion on RI of field isolates of R. (B.) microplus.

IsolateReproductive index (RI)
Malathion concentration (ppm)Control (DW)
1250250050001000020000

Amritsar0.260.220.140.00.00.61
Barnala0.340.260.260.140.150.53
Bathinda0.470.340.300.270.00.49
Faridkot0.280.190.040.00.00.60
Fatehgarh Sahib0.390.350.170.00.00.47
Ferozepur0.290.290.180.150.120.46
Gurdaspur0.340.230.250.210.00.51
Hoshiarpur0.390.290.330.190.00.51
Jalandhar0.590.420.170.180.00.60
Kapurthala0.280.150.120.00.00.49
Ludhiana0.180.130.120.110.00.56
Mansa0.370.200.260.110.100.60
Moga0.460.400.290.200.150.54
Muktsar0.470.320.180.150.120.56
Pathankot0.410.240.210.170.00.55
Patiala0.410.320.00.00.00.46
Rupnagar0.320.290.190.140.110.49
Sangrur0.530.270.140.150.110.58
SBS Nagar0.350.310.180.130.120.43

Reproductive index (RI) = egg mass weight/engorged female weight.