Research in Plant Disease 2012;18(4):277-289.
Published online December 30, 2012.
2007-2011 우리나라 농업현장 임상진단 요청 작물의 바이러스 감염 특성
김정수 ( Jeong Soo Kim ) , 이수헌 ( Su Heon Lee ) , 최홍수 ( Hong Soo Choi ) , 김미경 ( Mi Kyeong Kim ) , 곽해련 ( Hae Ryun Kwak ) , 김정 ( Jeong Sun Kim ) , 선남문 ( Moon Nam ) , 조점덕 ( Jeom Deog Cho ) , 조인숙 ( In Sook Cho ) , 최국선 ( Gug Seoun Choi )
 
2007?2011 Characteristics of Plant Virus Infections on Crop Samples Submitted from Agricultural Places
Jeong-Soo Kim, Su-Heon Lee, Hong-Soo Choi*, Mi-Kyeong Kim, Hae-Ryun Kwak, Jeong-Sun Kim, Moon Nam, Jeom-Deog Cho1**, In-Sook Cho1 and Gug-Seoun Choi1
National Academy of Agricultural Science, Crop Protection Division, Suwon 441-440, Korea
1National Institute of Horticultural and Herbal Science, Horticultural and Herbal Environmental Division, Suwon 441-707, Korea
Received: September 12, 2012   Revised: October 12, 2012   Accepted: October 12, 2012
Abstract
The total number of requests and associated specimens for the diagnosis of virus infection were 573 and 2,992, respectively, on crops from agricultural places of farmers, Agricultural extension services and so forth for 5 years from 2007. The total number of virus tests was 13,325. The number of species of viruses infected on the submitted crops was 21 in 2007, 15 in 2008, 23 in 2009, 21 in 2010 and 17 in 2011. The newly recorded viruses were Tobacco leaf curl virus (TbLCV) in 2007, Tomato yellow leaf curl virus (TYLCV) in 2008, Impatience necrotic spot virus (INSV) and Radish mosaic virus (RaMV) in 2009, and Beet western yellows virus (BWYV) in 2010. Forty virus species including Alfalfa mosaic virus were detected over 5 years. The ten most frequently detected virus species were Cucumber mosaic virus (CMV), Tomato spotted wilt virus (TSWV), Tomato leaf curl virus (TYLCV), Cucumber green mottle mosaic virus (CGMMV), Broad bean wilt virus 2 (BBWV2), Zucchini yellow mosaic virus (ZYMV), Melon necrotic spot virus (MNSV), Pepper mild mottle virus (PMMoV), Watermelon mosaic virus (WMV) and Pepper mottle virus (PepMoV). The types of crops submitted from agricultural places were 51 in total and the ten most frequently submitted crops were red pepper, tomato, paprika, watermelon, melon, rice, cucumber, corn, radish and gourd. The total request rate for the top 10 crops and top 20 crops was 81.6% and 94.2%, respectively. Eight pepper infecting virus species included CMV, and the average infection rate was 24.6% for CMV, 18.9% for PMMoV and 14.7% for TSWV. Seven kinds of double infection were detected in pepper including BBWV2+CMV at 14.7% on average, and four types of triple infection including BBWV2+CMV+PepMoV at 0.9% on average. Six virus species detected on tomato including TYLCV, and the average infection rate was 50.6% for TYLCV, 14.5% for TSWV and 10.9% for Tobacco leaf curl virus (TbLCV). The mixed infection of CMV+TSWV on tomato was 3.9% on average and of Tomato mosaic virus (ToMV)+TYLCV was 0.4% on average. Five viruses detected on watermelon included MNSV and the average infection rate was 37.0% for MNSV, 20.4% for CGMMV, 18.1% for ZYMV and 17.8% for WMV. The mixed infection rate on watermelon was CMV+MNSV and WMV+ZYMV having an average infection rate of 0.7% and 5.0%, respectively. The average infection rates on melon were 77.6% for MNSV, 5.6% for CMV and 3.3% for WMV. Mixed infections of CMV+MNSV occurred on melon with an average infection rate of 13.5%.
Key Words: BBWV2, BWVY, CGMMV, CMV, MNSV, Plant virus, TYLCV


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