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국내 오디균핵병의 발생 양상

Aspects of Popcorn Disease Occurrence on Mulberry Fruits in Korea

  • 홍성기 (농업과학기술원 식물병리과) ;
  • 김완규 (농업과학기술원 식물병리과) ;
  • 성규병 (농업과학기술원 잠사양봉소재과) ;
  • 남성희 (농업과학기술원 잠사양봉소재과) ;
  • 김종선 (전남농업기술원 농산물원종장)
  • Hong, Sung-Kee (Plant Pathology Division, National Institute of Agricultural Science and Technology(NIAST), Rural Development Administration(RDA)) ;
  • Kim, Wan-Gyu (Plant Pathology Division, National Institute of Agricultural Science and Technology(NIAST), Rural Development Administration(RDA)) ;
  • Sung, Gyoo-Byung (Applied Sericulture and Apiculture Division, NIAST, RDA) ;
  • Nam, Sung-Hee (Applied Sericulture and Apiculture Division, NIAST, RDA) ;
  • Kim, Jong-Sun (Branch of Original Seed Production Center, Jeonnam Agricultural Research & Extension Services)
  • 발행 : 2007.12.01

초록

2005년부터 2007년까지 국내 여러 지역에서 오디균핵병 발생을 조사하였다. 병든 과실은 회백색으로 변색되었고, 지상부로 떨어진 후 월동기간 동안 딱딱하고 검은색 균핵으로 변하였다. 뽕나무포장 내 월동균핵으로부터 형성된 자낭반은 5월 상순에 관찰되었으며, 컵 또는 곤봉모양의 두 가지 형태의 자낭반이 형성되었다. 컵 모양의 자낭반을 가진 균은 Ciboria shiraiana, 곤봉모양의 자낭반을 가진 균은 Scleromitrula shiraiana로 동정되었다. 조사된 포장에서 C. shiraiana와 S. shiraiana는 약 6:4의 비율로 발생하였다. 본 병의 발생은 조사년도, 조사지역 및 품종에 따라 차이가 있었다. 뽕나무포장에서 품종간 병 발생을 조사한 결과, 백하형상, 다호조생, 하수상, 재래종 및 사원뽕 22는 본 병에 대해 저항성이었으며, 청일뽕, 대성뽕, 국상20호 및 터키-D는 다소 감수성이었고, 카테네오, 모레지 및 상과는 매우 감수성이었다. 비닐이나 부직포로 지표면을 피복한 포장에서는 피복하지 않은 포장에 비해 병 발생이 훨씬 낮았다. 볏짚으로 피복된 포장에서의 병 발생은 피복하지 않은 포장과 유사하였다.

Occurrence of popcorn disease on mulberry fruits was surveyed in several locations in Korea from 2005 to 2007. The diseased fruits turned grayish white and changed to hard and black sclerotia during overwintering after falling onto the ground. Apothecia produced from overwintered sclerotia in the fields of mulberry trees were observed in early May. Two types of apothecia were produced from the sclerotia, which were cup-shaped or club-shaped. The fungus with cup-shaped apothecia was identified as Ciboria shiraiana, and that with club-shaped apothecia as Scleromitrula shiraiana. C. shiraiana occurred at the ratio of about 6 vs. 4 in the fields. Occurrence of the disease differed remarkably depending on years, locations, and varieties of mulberry trees investigated. Field survey of the disease incidence showed that Baekhahyeongsang, Dahojosaeng, Hasusang, a native variety and Sawonppong 22 were resistant to the disease, Cheongilppong, Daeseongppong, Guksang 20 and Turkey-D were moderately susceptible, and Cateneo, Moreji and Sanggwa were highly susceptible. Disease incidence in the fields mulched with nonwoven fabrics or plastic films was much lower than that in the non-mulched fields. Disease incidence in the fields mulched with rice straws was similar to that in the non-mulched fields.

키워드

참고문헌

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  3. 김현복, 김애정, 김선여. 2003. 오디의 기능성 물질분석 및 개발 식품동향. 한국식품과학학회 36: 49-60
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피인용 문헌

  1. Survey and analysis of mulberry tree for mulberry production vol.51, pp.1, 2013, https://doi.org/10.7852/jses.2013.51.1.48
  2. Studies on mulberry tree years and mulberry fruit yield and mulberry popcorn disease and sales price vol.53, pp.1, 2015, https://doi.org/10.7852/jses.2015.53.1.19
  3. Breeding of mulberry variety "Shimgang" showing resistance to popcorn disease vol.33, pp.2, 2016, https://doi.org/10.7852/ijie.2016.33.2.41
  4. Bacillus thuringiensisC25 suppresses popcorn disease caused byCiboria shiraianain mulberry (Morus australisL.) vol.26, pp.2, 2016, https://doi.org/10.1080/09583157.2015.1084999
  5. Correlation between Air Temperature Factors and Leafing Date of Mulberry Tree vol.33, pp.6, 2015, https://doi.org/10.7235/hort.2015.14173