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Scirj Volume III, Issue VI, June 2015 Edition
ISSN: 2201-2796

Garlic Volatile Oil as Promising Fumigan for the Cotrol of the Lesser Grain borer Rhyzopertha dominica (adult)

Mahgoub Ishag A.alla, Azhari Omar Abdel Bagi

Abstract: Laboratory experiments were carried out to investigate the efficacy of the fumigant action of garlic volatile oil on Rhyzopertha dominica (adult) in small cups (200 g) and jute sacs (100 g) to shed light on suitable fumigation period and concentration. Garlic volatile oils were tested at concentrations ranging between 0.1 and 20% v/v for short exposure (6-48 hrs) and medium exposure periods (3-15 days), however for longer exposure period (15-60 days) concentrations were between 0.001-1.0 v/v. The results of the short periods indicated that garlic volatile oils are very effective and caused significant mortalities to the test insects in cups at all concentrations tested (after waiting recoveries for seven days) compared to control. Effect was dosage related. However the insect was found to be sensitive to garlic fumigation. The test insect efficacy was tested over medium (3-15 days) and longer (15-60 days) exposure periods in sacs in the latter using much lower concentrations (0.001-1.0). The results indicated that garlic oil was able to penetrate through sacs and cause significant death to the test insect (R. dominica (adult)) compared to control. Effect was dose dependant. The performance of garlic fumigation in cups is much similar to that in sacs. Recovery cases noticed were little and negatively related to the dosage.

Reference this Paper: Garlic Volatile Oil as Promising Fumigan for the Cotrol of the Lesser Grain borer Rhyzopertha dominica (adult) by Mahgoub Ishag A.alla, Azhari Omar Abdel Bagi published at: "Scientific Research Journal (Scirj), Volume III, Issue VI, June 2015 Edition, Page 5-8 ".

Search Terms: Rhyzopertha dominica garlic control

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