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한국응용곤충학회지 KCI 등재 Korean Journal of Applied Entomology

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Vol. 49 No. 4 (2010년 12월) 23건

21.
2010.12 구독 인증기관 무료, 개인회원 유료
담배가루이(Bemisia tabaci) 병원성곰팡이 Lecanicillium lecanii Btab01 균주의 특성
Characterization of Lecanicillium lecanii Btab01 Isolated with Bioactivities to Tabacco Whitefly (Bemisia tabaci)
윤여준, 유용만, 이민호, 한은정, 홍성준, 안난희, 김용기, 지형진, 박종호
한국응용곤충학회지 Vol. 49 No. 4 pp.417-422 한국응용곤충학회
Cultural characteristics Lecanicillium lecani Btab01 and its insecticidal activity against tobacco whitefly (Bemisia tabaci) were investigated. On potato dextrose agar, tryptic soy agar and SDA+Y media, mycelial growth of L. lecani Btab01 was best at 20~25℃ and suppressed above 28℃. Both solid culture and liquid culture of L. lecani Btab01 showed high insecticidal activity, 93.9 and 98.3% respectively, against nymph of tobacco whitefly, but there is no significant difference. When culture of L. lecani Btab01 was treated at the concentration of 10⁵, 10⁶, 10⁷ and 10⁸ cfu/ml, their insecticidal activity were 5.8%, 33.8%, 77.3% and 98.5% respectively, and LT<SUB>50</SUB> values were 16.1 days, 7.3 days, 5.1 days and 3.5 days respectively. When nymphs were treated by the cultures of L. lecani Btab01 and maintained under saturated condition for zero hour, 24 hours and 168 hours, their control activities were 0%, 20.3% and 100% respectively. Spore germination of L. lecani Btab01 was increased about two times by adding edible oil. When L. lecani Btab01 was treated to control nymph with 0.1% edible oil, it showed high control activity (98.6%) compared to single treatment of L. lecani Btab01 (79.9%).
4,000원
22.
2010.12 구독 인증기관 무료, 개인회원 유료
경남지역 시설잎들깨에서 발생되는 육산 달팽이(병안목)의 종류
The Species of Land Snails (Stylommatophora) on Leaf Perilla under Greenhouse in Geoyngnam Areas
김현주, 배순도, 이준상, 윤영남, 최병렬, 남민희, 박정규
한국응용곤충학회지 Vol. 49 No. 4 pp.423-428 한국응용곤충학회
The species of land snails (Stylommatophora) that feed on perilla plants were observed under leaf perilla greenhouses cultivated in the Milyang and Busan areas. Four species of land snails were recorded. Among them, three species were slugs, Meghimatium bilineatum in Phlomycidae, Deroceras reticulatum, and Limax marginatus in Limacidae, and one species was the snail Acusta despecta sieboldiana in Bradybaenidae. D. reticulatum occurred most frequently followed by A. despecta sieboldiana, L. marginatus and M. bilineatum. Annually, land snails showed two peaks in the middle of April and in late November for D. reticulatum, early May to middle November for A. despecta sieboldiana, and middle April and early November for L. marginatus. M. bilineatum, however, did not show any clear peak because of its low population occurrence.
4,000원
23.
2010.12 구독 인증기관 무료, 개인회원 유료
곤봉가루응애(Tyrophagus similis)에 의한 시설재배 시금치 피해
Damages by Tyrophagus similis (Acari: Acaridae) in Greenhouse Spinach in Korea
정재아, 조명래, 김형환, 강택준, 이종호, 도경란
한국응용곤충학회지 Vol. 49 No. 4 pp.429-432 한국응용곤충학회
A mite damage was observed in spinach (Spinacia oleracea L.) under organic culture greenhouses. The mite was identified as Tyrophagus similis Volgin, 1949. It was very difficult for the farmers to diagnose the mite damage because of its tiny size about 0.5 nm in length. And the symptom was not clear at the early growth stage of the spinach because the mite mainly attack the very young leaves. In this study, we first report the spinach damages by T. similis in Korea. Informations on the mite morphology and the spinach damage symptoms are provided for the diagnosis.
3,000원
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