International Journal of Plant Protection

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Influence of Non-Edible Oil on Oviposition Preference and Hatchability of Acarid Mite, Tyrophagus putrescentiae Schrank on Groundnut


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1 Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), India
     

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The effect of non-edible oils on oviposition and hatching of acarid mite Tyrophagus putrescentiae were studied during the year 2017-18 and 2018-19 at Acarology Laboratory, Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat. All the five non-edible oils evaluated have a significant effect on the fecundity of mite, T. putrescentiae. Fecundity was markedly reduced when groundnut seeds infested with mite were mixed with Neem, eucalyptus, castor, karanj and alsi oil at the different level of concentrations of non-edible oils i.e. 0.50, 1.00 and 2.00 ml/kg. The alsi oil was least effective in reducing egg laying of mite. The discrimination quotient (DQ) was maximum 0.59 in Neem oil at 2.00 ml/kg concentration and was minimum (0.26) at 0.50 ml/kg in alsi oil treatment. Further, the per cent hatchability was maximum in the untreated groundnut seeds i.e. 96.67 per cent. In case of Neem oil at 2.00 ml/kg concentration only 64.50 per cent of eggs were hatched, while in case of alsi oil at 2.00 ml/kg concentration 89.33 per cent of eggs were hatched which were maximum as compared to all other non-edible oil treatments and less than that of untreated control.

Keywords

Non-edible Oils, Oviposition Preference, Tyrophagus putrescentiae Schrank, Groundnut.
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  • Influence of Non-Edible Oil on Oviposition Preference and Hatchability of Acarid Mite, Tyrophagus putrescentiae Schrank on Groundnut

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Authors

Rinkikumari Chauhan
Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), India
Abhishek Shukla
Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari (Gujarat), India

Abstract


The effect of non-edible oils on oviposition and hatching of acarid mite Tyrophagus putrescentiae were studied during the year 2017-18 and 2018-19 at Acarology Laboratory, Department of Entomology, N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat. All the five non-edible oils evaluated have a significant effect on the fecundity of mite, T. putrescentiae. Fecundity was markedly reduced when groundnut seeds infested with mite were mixed with Neem, eucalyptus, castor, karanj and alsi oil at the different level of concentrations of non-edible oils i.e. 0.50, 1.00 and 2.00 ml/kg. The alsi oil was least effective in reducing egg laying of mite. The discrimination quotient (DQ) was maximum 0.59 in Neem oil at 2.00 ml/kg concentration and was minimum (0.26) at 0.50 ml/kg in alsi oil treatment. Further, the per cent hatchability was maximum in the untreated groundnut seeds i.e. 96.67 per cent. In case of Neem oil at 2.00 ml/kg concentration only 64.50 per cent of eggs were hatched, while in case of alsi oil at 2.00 ml/kg concentration 89.33 per cent of eggs were hatched which were maximum as compared to all other non-edible oil treatments and less than that of untreated control.

Keywords


Non-edible Oils, Oviposition Preference, Tyrophagus putrescentiae Schrank, Groundnut.

References