농약과학회지 (The Korean Journal of Pesticide Science)

  • 제20권2호
  • /
  • Pages.145-151
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  • 2016
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  • 1226-6183(pISSN)
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  • 2287-2051(eISSN)
한국농약과학회 (The Korean Society of Pesticide Science)
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시설 가지 흰가루병 발생정도에 따른 수량변화와 경제적 방제수준 설정

Yield Loss Assessment and Determination of Control Thresholds for Powdery Mildew of Eggplant (Solanum melongena)

  • 김주희 (전북농업기술원 기후변화대응과) ;
  • 이기권 (전북농업기술원 기후변화대응과) ;
  • 임주락 (전북농업기술원 기후변화대응과) ;
  • 김주 (전북농업기술원 기후변화대응과) ;
  • 최인영 (전북농업기술원 기후변화대응과) ;
  • 장수지 (전북농업기술원 기후변화대응과) ;
  • 김진호 (전북농업기술원 기후변화대응과) ;
  • 송영주 (전북농업기술원 기후변화대응과)
  • Kim, Ju-Hee (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Lee, Ki-Kwon (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Yim, Ju-Rak (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Kim, Ju (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Choi, In-Young (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Jang, Su-Ji (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Kim, Jin-Ho (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Song, Young-Ju (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services)
  • 투고 : 2016.03.09
  • 심사 : 2016.06.17
  • 발행 : 2016.06.30
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초록

가지 흰가루병이 수량에 미치는 영향을 조사하여 경제적 방제수준을 설정하고자 시험을 수행하였다. 가지 흰가루병의 발병 정도에 따른 수량의 변화에 대한 분석은 병발생을 8단계 수준으로 구분하여 시험을 실시하였다. 흰가루병 발생수준과 과중과 수확과수는 부의 상관관계를 형성하였으며, 발생이 증가함에 따라 수량이 감소하여 유의한 부의 상관관계가 형성되었다. 시설 가지 흰가루병 발생정도와 수량과의 회귀식은 방제구와 무방제구에서 각각 Y = -36.5X+2938.5 $R^2=0.91$ $r=-0.913^*$, Y = -29.57X+2574.4 $R^2=0.73$ $r=-0.858^*$로 성립되었으며, 시설 가지 흰가루병 발생 정도와 수량 손실률과의 회귀식은 Y = 1.27X-2.4 $R^2=0.88$ $r=0.91^*$이 성립되었다. 성립된 회귀식에 대입하여 경제적 방제수준을 설정한 결과 시설 가지 흰가루병 발생 정도가 14.7% 이하 일 때 방제를 시작하면 방제횟수를 절감 하면서 효율적인 방제를 할 수 있다.

This study was carried out to develop the economic thresholds for powdery mildew on eggplant. To investigate the relationship between powdery mildew incidence degree and yield, experimental plots with ten treatments as the initial disease degree were established. Disease severity exhibited negative and significant correlation with fruit weight and number of fruit. There existed close correlation between rate of diseased leaf area and yields in the greenhouse (control with fungicide Y = -36.5X+2938.5 $R^2=0.91$ $r=-0.913^*$, no fungicide: Y = -29.57X+2574.4 $R^2=0.73$ $r=-0.858^*$). There existed close correlation between rate of diseased leaf area and yield loss in the greenhouse (Y = 1.27X-2.4 $R^2=0.88$ $r=0.91^*$). The economic thresholds for powdery mildew on eggplant was below 14.7% rate of diseased leaf area per plant in the greenhouse.

키워드

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피인용 문헌

  1. Research Status of Environmental Friendly Management for Korean Melon Powdery Mildew vol.24, pp.2, 2020, https://doi.org/10.7585/kjps.2020.24.2.136