International Journal of Plant Protection

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In Vitro Efficacy of Beauveria bassiana (Balsamo) Vuill., Metarhizium anisopliae (Metsch.) Sorokin and Lecanicillium lecanii (Zimmerman) against Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) (Hemiptera:Pseudococcidae)


Affiliations
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
     

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Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) were mass cultured in insectary using hibiscus plants, potato sprouts and the different stages were maintained to conduct bioassay. Entomopathogenic fungi Beauveria bassiana, Metarhizium anispoliae, Lecanicillium lecanii was sub-cultured on SDAY. Spore suspensions of concentration (1x 108conidia/ml) of seven isolates (BbBp1, BbGW1, BbBM1, MaBp1, MaBm1, LlBm1, LlMo1) were prepared from the 15 day old culture of the fungi. A preliminary study on B. bassiana against Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) female adults was done. untreated (sterile water) were used as controls.Mortality of pink mealy bug (Maconellicoccus hirsutus (Green)) adults under laboratory condition was recorded at different intervals where entomopathogens (% mortality after 9th day) like LlMo1 (93.33%), BbGW1 (80.00%) and MaBm1 (63.33%). The mortality of guava mealy bug [Ferrisia virgata (Cockerell)] adults under laboratory condition was recorded at different intervals where entomopathogens (% mortality after 9th day) like LlMo1 (96.55%), BbBp1 (86.21%) and MaBp1 (65.52%).

Keywords

Beauveria bassiana, Pink Mealy Bug, Guava Mealy Bug, Spore, Mortality.
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  • In Vitro Efficacy of Beauveria bassiana (Balsamo) Vuill., Metarhizium anisopliae (Metsch.) Sorokin and Lecanicillium lecanii (Zimmerman) against Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) (Hemiptera:Pseudococcidae)

Abstract Views: 466  |  PDF Views: 1

Authors

Rajesh Illathur
Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), India
R. Philip Sridhar
Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore (T.N.), India

Abstract


Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) were mass cultured in insectary using hibiscus plants, potato sprouts and the different stages were maintained to conduct bioassay. Entomopathogenic fungi Beauveria bassiana, Metarhizium anispoliae, Lecanicillium lecanii was sub-cultured on SDAY. Spore suspensions of concentration (1x 108conidia/ml) of seven isolates (BbBp1, BbGW1, BbBM1, MaBp1, MaBm1, LlBm1, LlMo1) were prepared from the 15 day old culture of the fungi. A preliminary study on B. bassiana against Maconellicoccus hirsutus (Green) and Ferrisia virgata (Cockerell) female adults was done. untreated (sterile water) were used as controls.Mortality of pink mealy bug (Maconellicoccus hirsutus (Green)) adults under laboratory condition was recorded at different intervals where entomopathogens (% mortality after 9th day) like LlMo1 (93.33%), BbGW1 (80.00%) and MaBm1 (63.33%). The mortality of guava mealy bug [Ferrisia virgata (Cockerell)] adults under laboratory condition was recorded at different intervals where entomopathogens (% mortality after 9th day) like LlMo1 (96.55%), BbBp1 (86.21%) and MaBp1 (65.52%).

Keywords


Beauveria bassiana, Pink Mealy Bug, Guava Mealy Bug, Spore, Mortality.

References