Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Yield Loss Assessment and Determination of Control Thresholds for Anthracnose on Red Pepper

고추 탄저병 발생에 따른 수량변화와 방제수준 설정

  • Kim, Ju-Hee (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Cheong, Seong-Soo (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) ;
  • Choi, Sun-Woo (Division of Climate Change, Jeollabuk-do Agricultural Research and Extension Services) ;
  • Lee, Wang-Hyu (Plant Medical Research Center, Chonbuk National University)
  • 김주희 (전북농업기술원 기후변화대응과) ;
  • 정성수 (전북농업기술원 기후변화대응과) ;
  • 이기권 (전북농업기술원 기후변화대응과) ;
  • 임주락 (전북농업기술원 기후변화대응과) ;
  • 최선우 (전북농업기술원 기후변화대응과) ;
  • 이왕휴 (전북대학교 농생물학과)
  • Received : 2014.11.24
  • Accepted : 2015.02.02
  • Published : 2015.03.31
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Abstract

This study was carried out to develop control thresholds for anthracnose on red pepper. To investigate relationship between anthracnose incidence and diseased fruits, experimental plots with six treatments were established. There existed close correlation between rate of diseased fruits and yields in field (Y = -16.83X + 327.57, $R^2=0.83$), in rain shelter (Y = -4.92X + 361.02, $R^2=0.84$), and in rain shelter with rain (Y = -5.91X + 359.71, $R^2=0.76$). Control thresholds for anthracnose of pepper were 0.9% diseased fruits per plant in field and from 1.7 to 2.3% diseased fruits rate per plant in rain shelter.

고추 탄저병 요방제 수준을 설정하기 이하여 시험한 결과 노지 고추 수량에 영향을 주지 않는 수준의 탄저병 방제적기는 발생정도가 0.9% 이하이었으며, 노지고추 탄저병 발생정도와 수량과의 회귀식은 Y = -16.83X + 327.57, $R^2=0.83$ 성립하였다. 비가림 재배(무강우 조건) 고추의 수량에 영향을 주지 않는 수준의 탄저병 방제적기는 발생정도가 1.7% 이하이었으며, 고추탄저병 발생정도와 수량과의 회귀식은 Y = -4.92X + 361.02, $R^2=0.84$ 성립하였다. 비가림 재배(강우 조건) 고추의 수량에 영향을 주지 않는 수준의 탄저병 방제적기는 발생정도가 2.3% 이하이었으며, 고추 탄저병 발생정도와 수량과의 회귀식은 Y =-5.91X + 359.71, $R^2=0.76$ 성립하였다.

Keywords

References

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