International Journal of Plant Protection

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Evaluation of Various Aqua Suspension Formulations of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera


Affiliations
1 Department of Entomology, College of Agriculture, Latur (M.S.), India
2 Agricultural Research Station, Niphad, Nashik (M.S.), India
     

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Studies on laboratory evaluation of nine aqua suspension formulations of entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin comprising adjuvants viz. 1) B.b.+GLY+CMC, 2) B.b.+GLY+HO, 3) B.b.+SFO+CMC 4) B.b.+SFO+HO 5) B.b.+GLY+BA, 6) B.b.+GLY+BA+TW, 7) B.b.+SFO, 8) B.b.+GNO and 9) Control (B.b. alone) were carried out against the II and III instar larvae of H.armigera. The data on larval mortality was recorded at 5, 7 and 10 days after treatment (DAT). At 10 DAT all the formulations were significantly superior to control (B.b. alone) for the lethal effect. The formulation B.b.+ SFO + CMC registered significantly highest larval mortality of 90.00 and 83.33 per cent of II and III instar larvae of H.armigera, respectively. However, it was at par to the formulation B.b.+ GLY + HO recording 86.67 and 80.00 per cent mortality of II and III instar larvae of H.armigera, respectively. The control (B. b. alone) recorded lowest (63.33 and 53.33 %) mortality of the caterpillar.

Keywords

Beauveria bassiana, Adjuvants, Glycerol (GLY), Honey (HO), Sunflower Oil (SFO), Groundnut Oil (GNO), Tween 80 (TW), Carboxymethyl Cellulose (CMC), Boric Acid (BA).
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  • Evaluation of Various Aqua Suspension Formulations of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera

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Authors

R. S. Jadhav
Department of Entomology, College of Agriculture, Latur (M.S.), India
S. D. Patil
Agricultural Research Station, Niphad, Nashik (M.S.), India

Abstract


Studies on laboratory evaluation of nine aqua suspension formulations of entomopathogenic fungus, Beauveria bassiana (Balsamo) Vuillemin comprising adjuvants viz. 1) B.b.+GLY+CMC, 2) B.b.+GLY+HO, 3) B.b.+SFO+CMC 4) B.b.+SFO+HO 5) B.b.+GLY+BA, 6) B.b.+GLY+BA+TW, 7) B.b.+SFO, 8) B.b.+GNO and 9) Control (B.b. alone) were carried out against the II and III instar larvae of H.armigera. The data on larval mortality was recorded at 5, 7 and 10 days after treatment (DAT). At 10 DAT all the formulations were significantly superior to control (B.b. alone) for the lethal effect. The formulation B.b.+ SFO + CMC registered significantly highest larval mortality of 90.00 and 83.33 per cent of II and III instar larvae of H.armigera, respectively. However, it was at par to the formulation B.b.+ GLY + HO recording 86.67 and 80.00 per cent mortality of II and III instar larvae of H.armigera, respectively. The control (B. b. alone) recorded lowest (63.33 and 53.33 %) mortality of the caterpillar.

Keywords


Beauveria bassiana, Adjuvants, Glycerol (GLY), Honey (HO), Sunflower Oil (SFO), Groundnut Oil (GNO), Tween 80 (TW), Carboxymethyl Cellulose (CMC), Boric Acid (BA).

References