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Articles by F. Khalique
Total Records ( 2 ) for F. Khalique
  K. Ahmed , F. Khalique and B. A. Malik
  This paper reports on a comparison of a modified diet with other diets and procedures used in mass rearing of Helicoverpa armigera. The results on the biology of H. armigera reared on the modified diet for up to six consecutive generations indicate that the pupal recovery percentage ranged form 71.2±9.59 to 83.7±5.98; the adult emergence percentage varied from 59.6±3.15 to 78.4±3.29. The maximum egg yield/female was recorded to be 273.3±13.6 in the first generation. The average cost to produce one pupa of this insect was calculated to be Rs.0.60, which is equivalent to half the cost of production per pupa using other diet formulae.
  F. Khalique and K. Ahmed
  Compatibility and synergism of Bacillus thuringiensis commercial formulation and lambda-cyhalothrin were evaluated for the control of Helicoverpa armigera (Huebn.). Concentration-mortality response of 3rd instar H. armigera larvae due to B. thuringiensis Berliner subsp. kurstaki (Costar WP) and lambda-cyhalothrin (Karate 2.5 EC) alone and in combination with various concentrations incorporated in artificial diet was assessed. Combinations of low dosage of lambda-cyhalothrin and Costar (B.t.k.) formulations were found highly compatible and synergistic. In combination treatments (Costar+karate LC0, Costar+karate LC10 and Costar+karate LC25), the LC50s of Costar underwent 1.3, 3.4 and 3.4 fold reductions respectively. Further laboratory test and field trials of B. thuringiensis var. kurstaki supplemented with other chemical insecticides against chickpea pod borer are warranted.
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