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Occurrence of Virus Diseases on Cucumber in Gyeongbuk Province

경북지역 오이에 발생하는 주요 바이러스 종류 및 발생실태

  • Lee, Joong-Hwan (Department of Agricultural Environment, Gyeongbuk Agricultural Technology Administration) ;
  • Kim, Dong-Geun (Department of Agricultural Environment, Gyeongbuk Agricultural Technology Administration) ;
  • Ryu, Young-Hyun (Department of Agricultural Environment, Gyeongbuk Agricultural Technology Administration) ;
  • Lee, Key-Woon (Schooi of Applied Biosciences, Kyungpook National University)
  • Published : 2008.08.01

Abstract

Cucumber is high valued cash crop, for it is grown during the winter season in plastic house. Recently, virus disease spread widely in cucumber growing area and cause severe income loss. Therefore, occurrence of virus disease on cucumber were surveyed from 2004 to 2006 in Sangju and Gunwi area, Gyeongbuk province. The rate of plastic house which has infected plants was $55.0{\sim}88.6%$. Infection rate was the highest at Sangju in 2006 than others and ranged from 15 to 90.0% per plastic house. The 217 samples showing virus symptom were analyzed by RT-PCR using appropriate detection primer. Zucchini yellow mosaic virus(ZYMV) has the highest infection rate(detected over 85%) and followed by Cucumber green mottle mosaic virus(CGMMV). But Watermelon mosaic virus-2(WMV-2) was not detected in our survey. Therefore, we conclude that ZYMV is major pathogene of virus disease on cucumber. ZYMV induced chlorosis and severe mosaic on the leaves and distortion on the surface of fruits.

경상북도 오이 주산단지인 상주와 군위지역의 바이러스 병 발생을 조사한 결과 포장 발생율은 $55.0{\sim}88.6%$였으며, 상주지역이 군위보다 약간 높게 나타났다. 바이러스 발병 포장의 이병주율은 2006년 상주 지역에서 평균 25.6%로 매우 높게 나타났으며, 발생범위는 최소 1.5%에서 최대 90%로 농가별로 편차가 매우 심하였다. 포장에서 바이러스 증상으로 관찰되는 시료 217점을 RT-PCR을 이용하여 바이러스 종류를 분석한 결과 ZYMV가 85% 이상으로 가장 많이 검출되어 오이에 피해를 주는 주요 바이러스로 나타났다. ZYMV에 감염된 오이는 잎에 황화 및 심한 모자이크 증상이 나타났으며 일부 과일은 곡과 증상과 함께 표면이 울퉁불퉁하게 나타났다.

Keywords

References

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