| 성주지역 참외 바이러스병의 발생실태와 전염생태 |
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박석진, 이중환, 남문, 박충열, 김정선, 이주희, 전은숙, 이준성, 최홍수, 김정수, 문제선 |
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| Virus Disease Incidences and Transmission Ecology of Oriental Melons in Seongju Area |
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Seok Jin Park, Joong Hwan Lee, Moon Nam, Chung Youl Park, Jeong Seon Kim, Joo Hee Lee, Eun Suk Jun, Jun Seong Lee, Hong Soo Choi, Jeong Soo Kim, Jae Sun Moon |
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| Abstract |
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Throughout the years 2008 to 2010, we analyzed approximately two thousand oriental melon samples collected from Seongju, using electron microscopy and testing by RT-PCR using primers specific for eight cucurbit-infecting viruses. Data from RT-PCR indicated that Cucumber green mottle mosaic virus (CGMMV), Watermelon mosaic virus 2 (WMV2) and Zucchini yellow mosaic virus (ZYMV) were present and the other viruses were not detected. Among them, CGMMV and WMV2 were the most prevalent pathogens. CGMMV was thought to infect oriental melon from the early growing season, and reached nearly 100% in the later of growing period. Otherwise, WMV2 emerged from June, several months later compared to CGMMV. CGMMV was detected from all aerial parts of the oriental melon including seeds, but not from the roots of the grafted pumpkin rootstock. Seed of two out of five commercial varieties were shown to be CGMMV positive. Nine varieties of pumpkins used as rootstocks were not infected with CGMMV. When the seedlings of grafted oriental melon were transplanted into pots mixed with the oriental melon debris infected with CGMMV, they were not infected by CGMMV. Cutting of pruning shear and the contact of tendrils contributed 48% and 30% to the transmission of the virus, respectively. |
| Key Words:
Incidence, Oriental melon, Transmission ecology, Virus disease |
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