Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Survey of Major Diseases Occurred on Apple in Northern Gyeongbuk from 2013 to 2014

2013-2014년도 경북 북부지역 사과 주요 병해 발생조사

  • Cheon, Wonsu (Department of Bioresource Sciences, Andong National University) ;
  • Jeon, Yongho (Department of Bioresource Sciences, Andong National University)
  • 천원수 (안동대학교 생명자원과학과) ;
  • 전용호 (안동대학교 생명자원과학과)
  • Received : 2015.08.25
  • Accepted : 2015.11.12
  • Published : 2015.12.31
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Abstract

During the period from 2013 to 2014, disease occurrences by various pathogens in apple cultivars have been investigated in northern Gyeongbuk province of Korea. Anthracnose, white rot, Alternaria leaf spot, Marssonina blotch, and bacterial shoot blight as major diseases have been observed. Pathogens isolated from the symptomatic plants were identified as Colletotrichum gloeosporioides for anthracnose, Botryosphaeria dothidea for white rot, Alternaria alternata for Alternaria leaf spot, Marssonina mali for Marssonina blotch, and Pseudomonas syringae pv. syringae for bacterial shoot blight. Of all diseases, the bacterial shoot blight has been severely increased in chronically infested fields in Gyeongbuk province.

본 연구에서는 경상북도 북부지역의 주요 사과 산지를 대상으로 재배 중에 발생하는 병해의 발병상황을 조사하고 병원균을 조사하였다. 경북 북부지역의 주요 사과 재배지에서 발병하는 주요 병은 탄저병, 겹무늬썩음병, 점무늬낙엽병, 갈색무늬병, 가지마름병이었다. 특히 2013년에 비해 2014년에는 갈색무늬병이 증가하였으며, 이는 10월의 강수량과 정의 상관관계가 인정된다. 점무늬낙엽병과 탄저병, 겹무늬썩음병도 모든 포장에서 발병되었다. 또한 P. syringae pv. syringae에 의한 가지마름병의 발병이 지역에 따라 10-20% 정도 발병하였다. 이러한 결과는 사과 재배에 있어 주요병해에 대한 중점 방제 대상 병해를 선정하여 관리하여야 하며, 또한 근래 문제되지 않았던 P. syringae pv. syringae에 의한 가지마름병에 대한 생태학적 연구 및 방제 연구가 수행하여야 할 것으로 판단된다.

Keywords

References

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