Journal
JOURNAL OF THE KOREAN SOCIETY FOR APPLIED BIOLOGICAL CHEMISTRY
Volume 55, Issue 1, Pages 35-39Publisher
KOREAN SOC APPLIED BIOLOGICAL CHEMISTRY
DOI: 10.1007/s13765-012-0006-3
Keywords
attraction; light-emitting diodes; pholotactic response; Sitophilus oryzae; visual stimulus
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Funding
- Cooperative Research Program for Agricultural Science & Technology Development, RDA, Republic of Korea [PJ0076722011]
- Rural Development Administration (RDA), Republic of Korea [PJ007672052012] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The phototactic response of the rice weevil, Sitophilus oryzae (L.), to light-emitting diodes (LEDs) at five different wavelengths and various light intensities was tested in an LED-equipped Y-maze chamber, and compared with its response to a luring lamp, which is used in commercial traps. Blue (84.3%) was the wavelength most attractive to S. oryzae, followed by green (74.3%), red (64.3%), UV (63.3%), and IR (48.7%). Moreover, blue and green wavelengths were 1.5 and 1.3 times more attractive than luring lamp (56.7%), whereas the UV wavelength was slightly less attractive to the weevils than luring lamp. These results suggested that blue and green wavelengths could be more useful than those currently used for monitoring and mass trapping of S. oryzae.
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