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- Title
Alkanes from bitter gourd as allelochemicals in olfactory responses of Epilachna dodecastigma (Wied.).
- Authors
SARKAR, NUPUR; BARIK, ANANDAMAY
- Abstract
In laboratory conditions, the alkanes from flower surface waxes of Momordica charantia L. (Cucurbitaceae) and synthetic mixture of alkanes mimicking flower surface wax alkanes elicited attraction of the female insect, Epilachna dodecastigma (Wied.) (Coleoptera: Coccinellidae) between 50-600 μg concentrations, in Y-shaped glass tube olfactometer bioassay. Individual test samples, synthetic tricosane at 30.67 μg, pentacosane from 21.71-32.57 μg, heptacosane from 25.67- 77.01 μg and nonacosane from 53.5-160.50 μg showed attraction to the insect. A synthetic mixture of 20.45, 21.71, 51.34, 107, 19.51 and 73.46 μg of tricosane, pentacosane, heptacosane, nonacosane, hentriacontane and hexatriacontane, respectively, elicited highest attraction of E. dodecastigma and this combination might be used for insect pest management programme such as baited traps.
- Subjects
ALLELOCHEMICALS; MOMORDICA charantia; ALKANES; BIOLOGICAL assay; INSECT pest control; PEST control programs
- Publication
Allelopathy Journal, 2014, Vol 33, Issue 1, p43
- ISSN
0971-4693
- Publication type
Article