Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Determination of Economic Control Thresholds for Bacterial Spot on Red Pepper Caused by Xanthomonas campestris pv. vesicatoria

고추 세균점무늬병 발생에 따른 수량 변화와 경제적 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) ;
  • Lee, Wang-Hyu (Department of Agricultural Biology, Chonbuk National University)
  • 김주희 (전북농업기술원 기후변화대응과) ;
  • 정성수 (전북농업기술원 기후변화대응과) ;
  • 이기권 (전북농업기술원 기후변화대응과) ;
  • 임주락 (전북농업기술원 기후변화대응과) ;
  • 이왕휴 (전북대학교 농생물학과)
  • Received : 2014.12.15
  • Accepted : 2015.04.30
  • Published : 2015.06.30
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Abstract

This study was carried out to develop the economic thresholds for the control of bacterial spot of red pepper. The correlation between diseased leaf rate and yield in field was Y=-0.724X+281.58, $R^2=0.78$, $r=-0.88^{**}$. The correlation between diseased leaf rate and yield loss in field was Y=0.813X+15.95, $R^2=0.78$, $r=0.88^*$.We found that control thresholds was below 30.3% diseased leaves rate per plant in field. The economic control thresholds for bacterial spot of red pepper was below 16.3%.

고추 세균점무늬병이 수량에 미치는 영향을 조사하여 경제적 방제수준을 설정하고자 시험을 수행하였다. 노지고추 세균점무늬병 발생정도와 수량과의 회귀식은 Y=-0.724X+281.58, $R^2=0.78$, $r=-0.88^{**}$ 성립하였다. 노지고추 세균점무늬병 발생정도와 수량감소와의 회귀식은 Y=0.813X+15.95, $R^2=0.78$, $r=0.88^{**}$ 성립하였다. 성립된 회귀식을 이용하여 노지 고추 수량에 영향을 주지 않는 수준의 세균점무늬병 방제적기는 발생 발병엽률이 30.3% 이하이었다. 또한 고추 세균점무늬병 경제적 방제수준은 노지 고추 세균점무늬병 발생정도가 16.3% 이하로 결정되었다.

Keywords

References

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