Effect of Bt & others on T. castaneum: Combined Biotoxicity assay on T.castaneum

Effect of Bt & others on T. castaneum: Combined Biotoxicity assay on T.castaneum

von Kausar Malik, Sadaf Iqbal
Taschenbuch - 9783659232664
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Beschreibung

Microbial control of insect pest of crops using entomopathogens is pest management strategy. Bacillus thuringiensis has a great potential for this purpose. The focus of the present study was to determine the individual and combined effect of different insecticides such as Saraca indica as a botanical insecticide, B. thuringiensis and chemical insecticides against larvae and adults of T. castaneum. Results were analyzed by SPSS probit analysis, LC50 was noted for all these insecticides and results were compared with each other. According to the results from the individual insecticide B. thuringiensis show high mortality with harmless effect to environment. Synergistic effect with high mortality rate was observed at 24 to 48 h, for both larvae and adults of T. castaneum. From the study it was observed that mortality rate increases as the concentrations increases, and larvae show higher mortality because they were more susceptible to these insecticides as compared to adults. Percentage mortality of T. castaneum in combined bioassay sodium citrate, S. indica, B. thuringiensis and Bifenthrin+cypermethrin was compared with the mortality of individual insecticides. 61% larvae & 55% adults

Details

Verlag LAP Lambert Academic Publishing
Ersterscheinung September 2012
Maße 220 mm x 150 mm x 8 mm
Gewicht 207 Gramm
Format Taschenbuch
ISBN-13 9783659232664
Auflage Nicht bekannt
Seiten 128

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