BIOEFFICACY OF CHEMICAL INSECTICIDES AGAINST EARIAS VITTELLA (FABRICIUS) ON OKRA

Article Id: ARCC922 | Page : 25 - 29
Citation :- BIOEFFICACY OF CHEMICAL INSECTICIDES AGAINST EARIAS VITTELLA (FABRICIUS) ON OKRA.Agricultural Science Digest.2011.(31): 25 - 29
A.M. Pardeshi, R.K. Bharodia, D.M. Jethva, R.T. Rathod and P.V. Patel
Address : Department of Entomology, Junagadh Agricultural University, Junagadh – 362 001, India.

Abstract

A field experiment was conducted to determine the efficacy of eleven chemical treatments against Earias vittella (Fabricius) infesting okra at Junagadh Agricultural University campus, Junagadh during kharif season of 2006. Among tested insecticides, profenophos + cypermethrin (0.044%), chlorpyriphos + cypermethrin (0.055%), cypermethrin 0.006% and profenophos 0.05%, were found to be the most effective in reducing the fruit infestation to 6.47 to 10.52 % against 43.5% in the control. The highest yield of healthy fruits was recorded in the treatment of profenophos + cypermethrin 0.044% (2366.3 kg/ha) followed by chlorpyriphos + cypermethrin 0.055% (2155.4 Kg/ha), cypermethrin 0.006% (2127.1 Kg/ha) and profenophos 0.05% (2103.9 Kg/ha). The highest cost benefit ratio (1: 20.3) was obtained in the treatment of cypermethrin 0.006%, followed by profenophos + cypermethrin (1:11.9), chlorpyriphos (1:10.4), chlorpyriphos + cypermethrin (1:10.2), profenophos (1:8.7), acephate (1:5.1) and methomyl (1:4.1).

Keywords

Field efficacy E. vittella Okra Insecticids.

References

  1. Bagade, A. S., Ambekar, J. S., Bhagavati, V. Y. and Bade, B. A. (2005). J. Maharashtra Agric. Univ., 30 (2): 210-212.
  2. Chaudhary, H.R. and Dadheech, L.N.(1989). Ann. Arid Zone, 28 (3-4):305-307.
  3. Das, S. N., Subhrajyoti, Ray. and Chatterjee, M. L. (2001). J. Interacademicia, 5 (3): 346-351.
  4. Dubey, V. K. and Ganguli, R. N. (1998). Insect Environment, 4 (1): 25.
  5. Misra, H. P., Dash, D. D. and Mahapatra, D. (2002). Ann. Pl. Prot. Sci., 10 (1): 51-54.
  6. Panse, V. G. and Sukhatme, P. V. (1985). Statistical Methods for Agricultural Workers, I. C. A. R., New Delhi, pp. 361.
  7. Rai, S and Satpathy, S. (1999). Vegetable Sci., 26 (1): 74-77.
  8. Singh, S. P. S. and Jayswal, A. K. (2001). J. Insect Sci., Ludhiana, 14 (1/2): 93-94.

Global Footprints