›› 1997, Vol. 40 ›› Issue (-1): 180-185.
• RESEARCH PAPERS • Previous Articles Next Articles
Cheng Dengfa Tian Zhe Sun Jingrui Ni Hanxiang Li Guangbo
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Abstract: The flight performance of laboratory-reared winged adults of the bird cherry oat aphid Rhopalosiphum padi (Linnaeus), was nvestigated with a flight-mill system at several temperature grades (8℃-30℃). The results showed that the temperature range of 12℃-20℃ was suitable for flight of the bird cherry oat aphid, the averageflight distance was 6.614-8.219km and the average time of flight was 5.074-7.003 h.At 15℃, the maximum flight distance and flight duration reached 26. 231km and 21.53h respectively. It was difficult for the bird cherry oat aphid to take off at 8℃, and both the flight distance and flight duration were short after take-off. At 23℃ and above, the aphid was easy to take off, but the flight distance and flight duration were becoming shorter gradually with the rise of temperature. At 30℃, the aphid stopped flying shortly after take-off. The flight speed increased with increase of temperature, the averagespeed was 0.781 km/h at 8℃ and 1.605 km/h at 30℃.
Key words: Rhopalosiphum padi (Linnaeus), flight performance, flight mill
Cheng Dengfa Tian Zhe Sun Jingrui Ni Hanxiang Li Guangbo. THE INFLUENCE OF TEMPERATURE ON THE FLIGHT PERFORMANCE OF RHOPALOSIPHUM PADI (LINNAEUS) MEASURED WITH A FLIGHTMILL SYSTEM[J]., 1997, 40(-1): 180-185.
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