Acquisition of Tomato yellow leaf curl virus enhances attraction of Bemisia tabaci to green light emitting diodes |
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| Institution: | 1. School of Applied Biosciences, Kyungpook National University, Daegu 702-701, Republic of Korea;2. Department of Genetic Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea;3. National Institutes of Agricultural Science, Suwon 441-707, Republic of Korea;4. Institute of Plant Medicine, Kyungpook National University, Daegu 702-701, Republic of Korea;1. School of Architecture and Urban Environment, Soochow University, Suzhou, PR China;2. College of Textile and Clothing Engineering, Soochow University, Suzhou, PR China;3. Jiangsu Huajia Silk Co. Ltd., Wujiang District, Suzhou, PR China;4. National Engineering Laboratory of Modern Silk, Soochow University, Suzhou, PR China;1. Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, Storrs, CT 06269, USA;2. Institute of Plant Protection, Chinese Academy of Agricultural Science, 2 West Yuanmingyuan Road, Beijing 100193, China;1. Department of Botany, La Trobe University, Bundoora, Melbourne, Victoria 3086, Australia;2. School of Biological Sciences, Monash University, Clayton, Victoria 3800, Australia;3. Research School of Biology, Australian National University, Canberra, A.C.T. 2601, Australia;1. Laboratory of Systematic Entomology, Department of Ecology and Systematics, Graduate School of Agriculture, Hokkaido University, Kita-ku, Sapporo 060-8589, Japan;2. Division of Forest Insect Pests and Diseases, Korea Forest Research Institute, Seoul 130-712, Republic of Korea;3. Korea Tree Health Association, Seoul 130-712, Republic of Korea;4. Insect Biosystematics Laboratory, Research Institute for Agricultural and Life Sciences, Department of Agricultural Biotechnology, Seoul National University, Seoul 151-921, Republic of Korea;1. College of Plant Science, Jilin University, Changchun 130062, China;2. Department of Entomology, China Agricultural University, Beijing 100193, China;3. Department of Entomology, Jilin Agricultural University, Changchun 130118, China |
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| Abstract: | The light sensitivity of insects varies in response to different wavelengths of light. The change of light responses of vector insects plays an important role in the method of transmission and propagation of plant viruses. Here, we investigated whether the light attraction behaviors of whiteflies are altered by virus acquisition. Firstly, the light attraction rates of whiteflies were determined using LED light bulbs exhibiting different wavelengths in the visible and UV spectra. Whiteflies, Bemisia tabaci and Trialeurodes vaporariorum, were mostly attracted to green LEDs (526 nm). The attraction rate to green LED light was higher in B. tabaci than in T. vaporariorum, whereas it did not significantly differ between the B- and Q-biotypes of B. tabaci. Secondly, we investigated whether or not the green light attraction behavior of B. tabaci is influenced by the acquisition of Tomato yellow leaf curl virus (TYLCV). The attraction rate to green LED light was 2.5–3 times higher in TYLCV-infected whiteflies than in TYLCV-free whiteflies. However, this difference disappeared when the distance from the light source was greater than 0.5 m. Our results show that B. tabaci favors green light and its attraction is highly enhanced by the acquisition of the plant virus, TYLCV. |
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