Asian Journal of Bio Science

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Laboratory Evaluation of Entomopathogenic Fungus Alone or in Combination with Edible Oils on Progeny Adult Build-up of Lesser Grain Borer on Stored Paddy


Affiliations
1 Department of Entomology, Agricultural College Campus, Bapatla (A.P.), India
2 Post Harvest Technology Centre, Agricultural College Campus, Bapatla (A.P.), India
3 Microbiology Laboratory, Agricultural College Campus, Bapatla (A.P.), India
     

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The entomopathogenic fungi, Beauveria bassiana (2 × 106 conidia/g), Metarhizium anisopliae (1 × 109 conidia/g) and Lecanicillium lecanii (2 × 107 conidia/g) @ 5 g/l as bag treatment and 5g/kg of paddy as grain treatment alone, their interactions and the compatibility of entomopathogenic fungi @ 5g/kg with two vegetable oils (2 ml/kg) viz., sunflower oil and groundnut oil were tested against the progeny build-up of lesser grain borer, R. dominica. In the grain treatment, least progeny of 122.33 was observed with B. bassiana followed by M. anisopliae (130.67) which were at par at 180 DAT. Among the bag treatment, M. anisopliae recorded the lower progeny of 266.33 followed by B. bassiana (291.00) and L. lecanii (298.67) which were at par with each other but were significantly different from control (366.33). In the study of interaction effects, Beauveria + Metarhizium + Lecanicillium had recorded least progeny of 119.67 followed by Beauveria + Metarhizium (122.00) and were superior over all other treatments. In the study of compatibility of entomopathogenic fungi with edible oils, progeny build up recorded at 180 DAT was found to be less with Beauveria + Groundnut oil (118.33) followed by Metarhizium + Groundnut oil (121.33) compared to oils alone, sunflower (307.67) and groundnut (252.33) but were significantly different from control (517.00).

Keywords

Beauveria, Lecanicillium, Metarhizium, Rhyzopertha dominica, Sunflower Oil
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  • Laboratory Evaluation of Entomopathogenic Fungus Alone or in Combination with Edible Oils on Progeny Adult Build-up of Lesser Grain Borer on Stored Paddy

Abstract Views: 446  |  PDF Views: 1

Authors

P. Jyothi
Department of Entomology, Agricultural College Campus, Bapatla (A.P.), India
N. Sambasiva Rao
Post Harvest Technology Centre, Agricultural College Campus, Bapatla (A.P.), India
R. Lakshmipathy
Microbiology Laboratory, Agricultural College Campus, Bapatla (A.P.), India

Abstract


The entomopathogenic fungi, Beauveria bassiana (2 × 106 conidia/g), Metarhizium anisopliae (1 × 109 conidia/g) and Lecanicillium lecanii (2 × 107 conidia/g) @ 5 g/l as bag treatment and 5g/kg of paddy as grain treatment alone, their interactions and the compatibility of entomopathogenic fungi @ 5g/kg with two vegetable oils (2 ml/kg) viz., sunflower oil and groundnut oil were tested against the progeny build-up of lesser grain borer, R. dominica. In the grain treatment, least progeny of 122.33 was observed with B. bassiana followed by M. anisopliae (130.67) which were at par at 180 DAT. Among the bag treatment, M. anisopliae recorded the lower progeny of 266.33 followed by B. bassiana (291.00) and L. lecanii (298.67) which were at par with each other but were significantly different from control (366.33). In the study of interaction effects, Beauveria + Metarhizium + Lecanicillium had recorded least progeny of 119.67 followed by Beauveria + Metarhizium (122.00) and were superior over all other treatments. In the study of compatibility of entomopathogenic fungi with edible oils, progeny build up recorded at 180 DAT was found to be less with Beauveria + Groundnut oil (118.33) followed by Metarhizium + Groundnut oil (121.33) compared to oils alone, sunflower (307.67) and groundnut (252.33) but were significantly different from control (517.00).

Keywords


Beauveria, Lecanicillium, Metarhizium, Rhyzopertha dominica, Sunflower Oil

References