사과 주산지 사과원에서 2종 심식나방류의 발생동향
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서지정보
ㆍ발행기관 : 한국응용곤충학회
ㆍ수록지정보 : 한국응용곤충학회지 / 47권 / 1호
ㆍ저자명 : 최경희, 이순원, 이동혁, 김동아, 김순경
ㆍ저자명 : 최경희, 이순원, 이동혁, 김동아, 김순경
영어 초록
This survey was conducted from 1992 to 2005 in the major apple producing districts in southern part of South Korea including 4~8 cities, to know the occurrence and damage level of two major pests, Carposina sasakii and Grapholita molesta that attack apple fruit. The fruit damage by G. molesta during the harvest period ranged from 0.02 to 1.64%. A tendency of higher damage of G. molesta was observed after 1997 compared with the previous years. The other hand, the fruit damage by C. sasakii was 0.02 to 1.30%, and the damage level was very low with fruit damage of < 0.3% except 1998. The orchard infested with G. molesta was 13 to 71%, while 12 to 57% with C. sasakii. The rates of orchards where fruit damage by G. molesta was found were higher than those by C. sasakii after 1997. The tendency of fruit damage rates in the orchard where the most fruit damage was found was same with the trend of orchard rates infested with the pests. The maximum damage rate by G. molesta was 20.0% in 2005, while 4.5% by C. sasakii in 1998. The damaged shoot rates by the first generation G. molesta was 0.1~8.1%, and it had a positive correlation with the rates of fruit damage during the harvest period. Consequently, it is concluded that G. molesta is dominant species compared with C. sasakii in commercial apple orchards recently.참고 자료
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