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Rice Stripe Virus (RSV) Acquisition and Infection Rates According to Wing Form, Sex and Life Stage of Small Brown Planthopper (Laodelphax striatellus)
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 Title & Authors
Rice Stripe Virus (RSV) Acquisition and Infection Rates According to Wing Form, Sex and Life Stage of Small Brown Planthopper (Laodelphax striatellus)
Yi, Hwi-Jong; Kang, Mi-Hyeong; Choi, Man-Young; Koo, Hyun-Na; Kim, Gil-Hah;
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 Abstract
Small brown planthopper (SBPH), Laodelphax striatellus, gives a lot of damage to the rice by insect vector of rice stripe virus (RSV). This study compared the RSV acquisition and infection rates according to wing form, sex, and life stage of SBPH. The RSV acquisition rate in macropterous and brachypterous was 60.7% and 63.1%, respectively. The RSV acquisition rate by sex was 61.9% in female and 52.2% in male. However, there was no difference in significance. The RSV acquisition rate of nymphs and adults was 51.2% and 58.7%, respectively. The RSV infection rate by wing form was 53.3.% in macropterous and 48.2% in brachypterous. According to life stage, nymphs was 38.2% and adults was 42.6%. There was no difference in significance. On the other hand, female and male of RSV infection rate was 50.5% and 22.3%, respectively. There was a significant difference. Additionally, developmental periods of SBPH by RSV infection, the longest when inoculated with RSV-infected SBPH in healthy rice, while the shortest when inoculated healthy SBPH in healthy rice.
 Keywords
Laodelphax striatellus;Acquisition rate;Infection rate;Rice stripe virus;
 Language
Korean
 Cited by
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