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The efficienry comparison of essential oil from Zingiberaceae (Curcuma Longa Linn., Alpinia galangal (L.) Willd and Zingiber officinale Roscoe.), which was distilled with steam to be used for insecticidal activity of bean weevil of 5-7 days old. The residual film method at concentration of 0, 0.5, 1, 1.5, 2, 2.5 and 3 % (v/v) was applied by using a completely randomized design (CRD). The results found that the essential oil from Curcuma longa Linn had the highest efficiency as insecticidal activity and oviposition deterrent of bean weevil when comparing with the essential oil from Alpinia galangal (L.) Willd and Zingiber officinale Roscoe. At the concentration of 3%, the essential oil from Curcuma longa Linn. had the efficiency as insecticidal activity of bean weevil with the highest mortality percentage at 100% with LC50 value equal to 1.41% at the time of 24 hours. Whereas the essential oil from Alpinia galangal (L.) Willd and Zingiber officinale Roscoe had the mortality percentage at 66.6% and 53.3% with LC50 value equal to 2.38% and 2.82% respectively. The essential oil from Curcuma longa Linn had the highest percentage for oviposition deterrent of bean weevil at 98.77Vo. While the essential oil from Alpinia galangal (L.) Willd and Zingiber officinale Roscoe had the percentage for oviposition of bean weevil at 89.18 and 89.63 respectively.
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