Transmission Characteristics of Rice Waika Virus by the Green Rice Leafhopper, Nephotettix cincticeps UHLER (Hemiptera : Cicadelidae)
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概要
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In the transmission of rice waika virus (RWV) by the green rice leafhopper, Nephotettix cincticeps UHLER, transmission efficiency slightly decreased in old adults, but no difference in efficiency was demonstrated between sexes. Both acquisition and inoculation threshold periods were ca. 30 min. The rate of infective insects incresed as the acquisition feeding period was incresed up to 12hr. No definite latent periods in the leafhopper could be demonstrated. Nymphs lost their ingectivity after they molted. The leafhopper adults retained infectivity for a short period after the termination of acquisition feed. Infetivity decreased drastically with time, and the longest retention period was two days at 25℃. After losing infectivity, insects could become reinfective by fresh access to a diseased plant. From the various transmission characteristics, RWV is classified as a semipersistent leaffhopper-borne virus based on the definition by SYLVESTER (1969).
- 日本応用動物昆虫学会の論文
- 1979-02-25
著者
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HIRAO Jutaro
Kyushu National Agricultural Experiment Station
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Inoue Hitoshi
Kyushu National Agricultural Experiment Staiton
関連論文
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- Transmission Efficiency of Rice Waika Virus by the Green Rice Leafhoppers, Nephotettix spp. (Hemiptera : Cicadellidae)
- Transmission Characteristics of Rice Waika Virus by the Green Rice Leafhopper, Nephotettix cincticeps UHLER (Hemiptera : Cicadelidae)
- Species-Specific Calling Sounds as a Reproductive Isolating Mechanism in Nephotettix spp. (Hemiptera : Cicadellidae)
- Infective Capacity of Nephotettix spp. (Hemiptera : Cicadellidae) in the Transmission of Rice Waika Virus
- Interspecific Hybridization between Nephotettix virescens DISTANT and N : cincticeps UHLER (Hemiptera : Cicadallidae)
- Host Range and Host Suitability of Anagrus incarnatus HALIDAY (Hymenoptera : Mymaridae) : an Egg Parasitoid of Delphacid Planthoppers
- Transmission Efficiency of Rice Transitory Yellowing Virus by teh Green Rice Leafhoppers, Nephotetlix spp. (Hemiptera : Cicadellidae)
- Effects of Temperature on the Transmission of Rice Waika Virus by Nephotettix cincticeps UHLER (Hemiptera : Cicadellidae)
- Tolerance for Starvation by Three Rice Planthoppers (Hemiptera : Delphacidae)