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Effectiveness of Three Chemical Insecticides in Controlling Epilachna Beetle, Epilachna dodecastigma Muls.



G. Das , K.S. Islam and K.C. Saha
 
ABSTRACT

The effectiveness of different concentrations of rison 60 EC (0.12, 0.20, 0.24%), decis 2.5 EC (0.0125, 0.025, 0.05%) and sunsulfan 20 EC (0.08, 0.10 and 0.15%) were tested on the mortality (%) of different larval instars and adult of Epilachna dodecastigma Muls. under the laboratory conditions. Thirty days old ribbed gourd, Luffa acutangula (L.) plant was used as the experimental crop. Among three chemical insecticides decis showed the highest toxicity which was followed by sunsulfan and rison. The concentration levels of 0.05% decis, 0.15% sunsulfan and 0.24% rison were the most effective against different stages of larvae and adults of Epilachna dodecastigma.

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  How to cite this article:

G. Das , K.S. Islam and K.C. Saha , 2002. Effectiveness of Three Chemical Insecticides in Controlling Epilachna Beetle, Epilachna dodecastigma Muls. . Journal of Biological Sciences, 2: 679-681.

DOI: 10.3923/jbs.2002.679.681

URL: https://scialert.net/abstract/?doi=jbs.2002.679.681

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