Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Chemical screening for control of Metalaxyl-resistant tobacco black shank disease

Metalaxyl 저항성 담배역병균(Phytophthora nicotianae) 방제를 위한 약제 선발

  • Published : 2003.12.01
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Abstract

Five commercial chemicals, Dimethomorph, Foseyl-Al, Oxadixyl + Mancozeb, Propamocarb hydrochloride, and Metalaxyl, were tested for control of tobacco black shank (Phytophthora nicotianae) and/or delaying buildup of the resistant population to Metalaxyl which has been used for control of the disease in Korean tobacco farms. Propamocarb hydrochloride seemed to have a cross-resistance to the Metalaxyl resistant isolates showing similar response with Metalaxyl in vitro. Meanwhile, Dimethomorph+Mancozeb and Oxadixyl+Mancozeb were selected to be the promising chemicals which are able to be alternative to Metalaxyl for the black shank control in accordance with in vitro and in field trial.

우리 나라 농가에서 담배역병 방제약제로 사용되고 있는 Metalaxyl의 약제 저항성균 발생억제 및 방제를 위한 대체 약제를 선발하기 위하여 시중에서 판매되고 있는 역병방제용 약제 중 Dimethomorph를 비롯한 5종의 약제를 구입하여 시험하였다. 실내 시험에서는 Propamocarb hydrochloride는 Metalaxyl과 유사한 반응을 보여 서로 교차저항성이 있는 것으로 조사되었으며 Oxadixyl + Mancozeb, Dimethomorph + Mancozeb 등이 실내시험 및 포장시험 결과 약효가 우수하여 Metalaxyl 대체약제로 선발되었다.

Keywords

References

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