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논문 기본 정보

자료유형
학술저널
저자정보
Jeon, Ju-Hyun (Department of Bioenvironmental Chemistry and Institute of Agricultural Science and Technology, Chonbuk National University) Oh, Min-Seok (Department of Bioenvironmental Chemistry and Institute of Agricultural Science and Technology, Chonbuk National University) Lee, Hoi-Seon (Department of Bioenvironmental Chemistry and Institute of Agricultural Science and Technology, Chonbuk National University)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제54권 제5호
발행연도
2011.1
수록면
822 - 826 (5page)

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초록· 키워드

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Insecticidal activities of an active constituent derived from the bark of Tabebuia avellanedae and its analogues were examined using a micro-topical application bioassay against the brown planthopper, Nilaparvata lugens and the small brown planthopper, Laodelphax striatellus. The active constituent of T. avellanedae bark was characterized by various chromatographic methods and identified as 2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphtoquinone. On the basis of 48 h lethal concentration 50 ($LD_{50}$) values, the most toxic compound against N. lugens was 1,4-Naphtoquinone (0.042 ${\mu}g$/female), followed by 5,8-Dihydroxy-1,4-naphtoquinone (0.080 ${\mu}g$/female), 2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphtoquinone (0.091 ${\mu}g$/female), and 2,3-Dichloro-1,4-naphtoquinone (0.186 ${\mu}g$/female). Similar results against L. striatellus were observed for 2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphtoquinone and its analogues, except for 2,3-Dichloro-1,4-naphtoquinone and 5,8-Dihydroxy-1,4-naphtoquinone. These results indicate that T. avellanedae bark-derived material and its analogues have potential as new preventive agents for control of N. lugens and L. striatellus.

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