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Mallapur, C. P.
- Suitability of Different Grain Media for Mass Culturing of the Fungal Entomopathogen, Acremonium zeylanicum (petch) W. Gams and H. C. Evans
Abstract Views :262 |
PDF Views:140
Authors
Affiliations
1 Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, Dharwad, 580005, Karnataka, IN
1 Department of Agricultural Entomology, College of Agriculture, University of Agricultural Sciences, Dharwad, 580005, Karnataka, IN
Source
Journal of Biological Control, Vol 25, No 3 (2011), Pagination: 236-238Abstract
Evaluation of food grains for suitability as substrates for mass production of the fungus, Acremonium zeylanicum (Petch) W. Garns and H. C. Evans revealed that the spore count increased with increase in duration of incubation period after inoculation till harvesting. Rice and sorghum grain served as potential substrates for conidial production of A. zeylanicum which yielded 9.15 × 108 and 8.33 × 108 conidia/g of substrate, respectively, 15 days after inoculation. Maize and bajra were next best alternatives. However, the other materials like ragi, bengalgram and wheat did not serve as efficient food source for mass production of the fungus.Keywords
Acremonium zeylanicum, Entomopathogenic Fungi, Mass Production, Natural Substrates.Full Text
References
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- Efficacy of Acrernonium zeylanicum against Sugarcane Woolly Aphid under Laboratory Conditions
Abstract Views :229 |
PDF Views:137
Authors
Affiliations
1 Department of Agricultural Entomology, University of Agricultural Sciences, Dharwad 580 005, Karnataka, IN
1 Department of Agricultural Entomology, University of Agricultural Sciences, Dharwad 580 005, Karnataka, IN
Source
Journal of Biological Control, Vol 25, No 2 (2011), Pagination: 124-126Abstract
The fungus, Acremonium zeylanicum (Petch) W. Gams and H.C. Evans, was found infectious to sugarcane woolly aphid, Ceratovacuna lanigera Zehntner and caused differential mortality of different instars at varied concentrations. Studies on the efficacy of the entomopathogenic fungus revealed that the mortality of aphids increased with increase in concentration and time of application. First instar nymphs showed the highest mortality (92.5%) at 1x1010 conidia 1-1 and as the stage of the insect advanced, the mortality rate declined. On the contrary, lower mortality of aphids was recorded at 1x104 conidia 1-1 after 10 days of application.Keywords
Acremonium zeylanicum, Ceratovacuna lanigera, Sugarcane Woolly Aphid, Efficacy.Full Text