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감자 맹아억제제 Chlorpropham의 마른썩음병 억제 효과 KCI 등재

Inhibitory Effect of Potato Sprouting Inhibitor Chlorpropham on Dry Rot

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생물환경조절학회지 (Journal of Bio-Environment Control)
한국생물환경조절학회 (The Korean Society For Bio-Environment Control)
초록

Potato dry rot is one of the potato storage diseases caused by Fusarium species and is a representative pathological disorder that induced post-harvest loss during storage. Chlorpropham treatment for sprouting inhibition is mainly used for room temperature storage of potatoes for processing. In this study, the inhibitory effect of chlorpropham on Fusarium-induced dry rot of potato ‘Dano’. To investigate the mycelial growth rate of the dry rot fungus (Fusarium solani Appel & Wollenw), mycelial growth was investigated in a chlorpropham (5.0, 50.4, 503.8, and 5,038 ppm) and prochloraz (0.1, 1.0, 10.0, and 100.0 ppm) medium containing F. oxysporum mycelia. Mycelia were more inhibited as the concentration of chlorpropham and prochloraz increased during incubation at 20°C, and the inhibition rate was 98.2% and 100% when treated with 503.8 ppm of chlorpropham and 10ppm of prochloraz in 14 days, respectively. Potato Dano tubers inoculated with F. oxysporum were dipped in chlorpropham (5.0, 50.4, and 503.8 ppm) and prochloraz (100 ppm) to investigate the effect of preventing dry rot during cold storage at 20°C and 4°C in vivo. The disease diameter of potatoes stored at room temperature (about 20°C) was reduced to 13.0 mm in the prochloraz 100 ppm teatment, and 10.7 mm in the chlorpropham 50.4 ppm treatment compared to 13.7 mm in the control tuber at 70 days of storage. The disease progression in all treatments including control was similar with no statistically significant difference at 4°C air temperature. From the results of this study, it is considered that treatment with 50.4 ppm of chlorpropham after harvest will be useful for suppressing dry rot of stored potatoes.

목차
Abstract
서 론
재료 및 방법
    1. Chlorpropham의 in vitro 약제 스크리닝을 위한마른썩음병 균사 생장 억제 조사
    2. Chlorpropham의 맹아 억제 효과 조사
    3. in vivo에서 chloropropham의 마른썩음병 방제효과 검증
    4. 통계분석
결과 및 고찰
    1. Chlorpropham의 in vitro 약제 스크리닝을 위한마른썩음병 균사 생장 억제 조사
    2. Chlorpropham의 맹아 억제 효과 조사
    3. in vivo에서 chloropropham의 마른썩음병 방제효과 검증
적 요
사 사
Literature Cited
저자
  • 한규석(강원도농업기술원 감자연구소 연구사) | Kyusuk Han (Research Officer, Potato Experiment Station, Gangwondo Agricultural Research and Extension Services)
  • 김병섭(강릉원주대학교 식물생명과학과 교수) | Byung Sup Kim (Professor, Department of Plant Science, Gangneung-Wonju National University)
  • 홍세진(강릉원주대학교 식물생명과학과 교수) | Sae Jin Hong (Professor, Department of Plant Science, Gangneung-Wonju National University) Corresponding Author
  • 김남숙(강릉원주대학교 식물생명과학과 대학원생) | Nam Sook Kim (Graduate Student, Department of Plant Science, Gangneung-Wonju National University) Corresponding Author