A note on pesticide induced resurgence of two spotted spider mite, Tetranychus urticae (Acari: Tetranychidae) on grape Author Patil, Chandragouda . Department of Agricultural Entomology, College of Agriculture, Vijayapur- 586 101, University of Agricultural Sciences, Dharwad- 580005, Karnataka, India; E-mails: patilmchandru @ gmail. com, ssudikeri @ gmail. com, sskarbu @ gmail. com Author Udikeri, Shashikant S. . Department of Agricultural Entomology, College of Agriculture, Vijayapur- 586 101, University of Agricultural Sciences, Dharwad- 580005, Karnataka, India; E-mails: patilmchandru @ gmail. com, ssudikeri @ gmail. com, sskarbu @ gmail. com &. Present address: Agricultural Research Station, Dharwad Farm, Dharwad. PIN 580007, Karnataka: India Author Karabhantanal, Shreeshail S. . Department of Agricultural Entomology, College of Agriculture, Vijayapur- 586 101, University of Agricultural Sciences, Dharwad- 580005, Karnataka, India; E-mails: patilmchandru @ gmail. com, ssudikeri @ gmail. com, sskarbu @ gmail. com text Persian Journal of Acarology 2018 2018-01-15 7 1 75 84 journal article 10.22073/pja.v7i1.27987 2251-8169 7173709

Table 5. Mean impact of different pesticides on the resurgence of Tetranychus urticae Koch in grape.

Pesticides	Resurgence % Resurgence % of 1 st spray of 2 nd spray		Mean	Resurgence ratio of 1 st spray	Resurgence ratio of 2 nd spray	Mean
Dicofol	− 59.22	− 61.54	− 60.38	0.38	0.38	0.38
Sulphur	18.77	14.32	16.55	1.07	1.03	1.05
Abamectin	− 83.85	− 84.37	− 84.11	0.19	0.11	0.15
Spiromesifen	− 81.37	− 83.78	− 82.58	0.17	0.10	0.14
Monocrotophos	− 46.06	− 36.62	− 41.34	0.58	0.54	0.56
Dichlorovos + Fish Oil Resin Soap	− 45.58	− 31.74	− 38.66	0.42	0.48	0.45
Buprofezin	5.79	5.13	5.46	0.89	0.86	0.88
Thiamethoxam	8.97	8.81	8.89	0.78	0.83	0.81
Acetamiprid	6.95	6.99	6.97	0.93	0.85	0.89
Imidacloprid	6.85	5.45	6.15	0.88	0.85	0.87
Fipronil	− 8.28	− 2.88	− 5.58	0.92	0.87	0.90
Methomyl	− 3.83	− 18.84	− 11.34	0.82	0.86	0.84
Dinocap	− 64.23	− 70.43	− 67.33	0.37	0.33	0.35