감자 제브라칩병과 매개충 토마토 감자 나무이 (Bactericera cockerelli Sulc.)에 대한 2018년 예찰조사 보고
Monitoring Reports on Potato Zebra Chip Disease and Its Pest Vector Tomato Potato Psyllid (Bactericera cockerelli Sulc. ) in 2018
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초록
최근 기후변화 및 국제교역량, 여행객, 외국 이주민 등의 증가로 국내 농작물에 큰 피해를 입힐 수 있는 고위험 식물 병의 국내 유입이 꾸준히증가하고 있고 이에 따라, 검역기관 종사자들의 업무량도 늘어나고 있다. 특히 ‘Candidatus Liberibacter solanacearum’가 원인병원균인 감자제브라칩병의 경우, 발생하게 되면 감자를 초토화시켜 막대한 피해를 야기한다. ‘Ca. L. solanacearum’의 감자와 토마토 등의 가지과(Solanaceae) 작물과 당근을 포함하는 산형과(Umbelliferae) 작물이 기주가 될 수 있다. 이에 본 연구에서는 아직까지 국내에 유입되지 않은 감자 제브라칩병과매개충인 토마토 감자 나무이(tomato potato psyllid; TPP; Bactericera cockerelli Sulc.)에 대한 예찰 조사를 수행하였다. 예찰 조사를 위해전국을 7개 권역(경기-강원, 충청, 전북, 전남, 경북, 경남 및 제주)으로 나누고, 각 권역에 속하는 3개 지역 중심으로 수행하였는데, 경기-강원권역은 인천, 화성, 춘천 및 홍천, 충청 권역은 공주, 세종 및 청주, 전북 권역은 익산, 완주 및 정읍, 전남 권역은 보성, 고흥 및 순천, 경북권역은 상주, 김천 및 안동, 경남 권역은 거창, 함양 및 진주, 제주 권역은 구좌 및 성산 지역이 해당되며, 지역당 3개 지점을 두고 조사하였다. 매개충 TPP 조사를 위해 끈끈이 트랩을 이용한 조사를 병행하였다. 예찰 조사는 2018년 9월부터 10월까지 2주 간격으로 실시하였다. 2018년예찰 조사결과, 감자 제브라칩병과 매개충인 TPP는 국내에는 확인되지 않았다. 이 연구는 식물병을 조기에 탐지하기 위해 구축된 전국적인 모니터링네트워크를 통해 수행할 수 있었고, 국외 외래유입병들의 예찰 조사를 위한 지역 거점을 확보하는데 기여하였다고 평가된다.
Abstract
In recent years, the influx of high-risk plant diseases that can cause great damage to domestic crops, is steadily increasing due to climate change and the increase in international trade, travelers, and foreign migrants. Accordingly, the workload of quarantine agency workers is increasing. In particular, Zebra chip caused by ‘Candidatus Liberibacter solanacearum’ causes devastation and enormous damage, which cannot be recovered. Solanaceae crops, including potato and tomato, and Umbelliferae crops, including carrot, can be the host of 'Ca. L. solanacearum'. In this study, we surveyed the occurrence of Zebra chip and its pest vector, tomato potato psyllid (TPP; Bactericera cockerelli Sulc.), which are known to not exist in Korea. For the survey, we divided the whole country into 7districts (Gyeonggi-Gangwon, Chungcheong, Jeonbuk, Jeonnam, Gyeongbuk, Gyeongnam, and Jeju) including 3regions per district. The survey regions of Gyeonggi-Gangwon included Incheon, Hwaseong, Chuncheon, and Hongcheon; Chungcheong included Gongju, Sejong, and Cheongju; Jeonbuk included Iksan, Wanju, and Jeongeup; Jeonnam included Boseong, Goheung, and Suncheon; Gyeongbuk included Sangju, Gimcheon, and Andong; Gyeongnam included Geochang, Hamyang and Jinju; and Jeju included Gujwa and Seongsan. Three sites per region were included in the survey. Using sticky traps, we carried out the investigation of pest vector TPP of 'Ca. L. solanacearum'. The survey was conducted every two weeks from September to October 2018. According to a 2018 survey, Zebra chip disease and its pest vector TPP were not found in South Korea. This study was conducted through a nationwide monitoring network established for early prediction of plant disease outbreaks, and it is considered to have contributed to establishment of the basis for predicting outbreaks of exotic plant diseases.
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