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Journal of Entomology
  Year: 2007 | Volume: 4 | Issue: 6 | Page No.: 435-443
DOI: 10.3923/je.2007.435.443
Effects of Host and Non-Hosts Plant Volatiles on the Behaviour of the Lesser Grain Borer, Rhyzopertha dominica (Fab.)
D.A. Ukeh and S.B.A. Umoetok

Abstract:
Single choice behavioural responses of the lesser grain borer Rhyzopertha dominica (Coleoptera: Bostrichdae) to host and non-hosts plant volatiles was studied in a four-choice airflow olfactometer in the laboratory. The host plants odour sources were 30 g maize seeds and 30 g winter wheat kernels, while the non-hosts plant odour sources were 30 g dried Piper guineense and 30 g dried Monodora myristica seeds, respectively. Also 10% (w/w) of each non-host plant was incorporated with host plant grains and tested against R. dominica male and female adults. Results showed that both male and female adult R. dominica were significantly (p<0.001) repelled by P. guineense and M. myristica alone and also when 10% (w/w) of these plant seeds were incorporated with 30 g maize and winter grains, respectively. Both sexes also significantly (p<0.0001) preferred maize and winter wheat seeds to the control in the mean time spent and the number of entries made to their odour zones.
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COMMENTS
11 May, 2009
Mouhoube Ako:
Dear Publisher, I would like to inform you that the authors’ names are not correctly listed in the reference mentioned below. The first author of this paper is M. Ako. Best regards M Ako “Sculthess, F., M. Ako, M.Y.D. Gumedzoe and K.F. Cardwell, 2003. The effect of Fusarium verticillioides on oviposition behaviour and bionomics of lepidopteran and coleopteran pests attacking the stem and cobs of maize in West African. Entomol. Exp. Applic., 106: 201-210."
 
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