과수 화상병 방제약제의 사과·배 생육기 연용 살포에 의한 약해

• 영문명: Pytotoxicity by Continuous Spraying of Fruit Fire Blight Disinfectant During Growing Season of Apple and Pear
• 발행기관: 한국자원식물학회
• 저자명: 김세희 류송희 윤병현 조강희 조상윤 박정관
• 간행물 정보: 『한국자원식물학회지』제36권 제1호, 100~106쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2023.02.28

영문 초록

In order to control the fire blight disease, all plants within the radius of the diseased orchard were removed in the early stage of the outbreak, or antibiotics control was performed for prevention. Since the beginning of antibiotics use on plants, the potential for development of resistance to antibiotics by the plant pathogen and unintended detrimental effects on the fruit trees and environment has become a problem. The purpose of this study is to determine the degree of phytotoxicity to fruit trees caused by excessive spraying of the fire blight disease disinfectant and to establish basic data for safe disinfectant guide. We analyzed whether damage to the fruit tree and the maximum residual limit of fruit was exceeded when three kinds of the fire blight disease disinfectants were continuously sprayed in excess of the number of safe use during the growing season. There was no phytotoxicity in apple ‘Fuji’ and pear ‘Niitaka’, and oxolinic acid was detected beyond the limit of quantitation in 'Fuji' grown without a bag, and the other disinfectants were detected below the maximum residue limit. When these disinfectants are continuously sprayed in excess of the number of safe, phytotoxicity may remain on the fruit. Therefore, it is necessary to observe the prescribed dilution factor and observe the safe frequency and the timing of use.

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키워드

Antibiotics Apple Fire blight disease Pear