Virus Disease Incidences of Sweet Potatoes in Korea
2006
Kwak, H.R. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Kim, M.K. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Chung, M.N. (Rural Development Administration, Suwon, Republic of Korea) | Lee, S.H. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Park, J.W. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea) | Kim, K.H. (Seoul National University, Seoul, Republic of Korea) | Choi, H.S. (National Institute of Agricultural Science and Technology, RDA, Suwon, Republic of Korea), E-mail: [email protected]
In 2003, a survey of sweet potato virus disease was carried out in seed boxes as well as in various sweet potato fields. Virus infection rate was 5~100% and 100% at seed boxes and fields, respectively. No relationship of the disease incidence and severity was observed between sweet potato cultivating areas and cultivars. A total of 179 samples were collected and analyzed based on serological, electron microscopic and molecular properties. Field-grown sweet potatoes were examined to inspect 8 different viruses using NCM-ELISA, resulting that 30% of sweet potato was infected by one virus, whereas 70% was by more than 2 viruses.
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