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논문 기본 정보

자료유형
학술저널
저자정보
Lee Doo Hyung (Division of Environmental Science and Ecological Engineering, Korea University) Park Jung-Joon (Division of Environmental Science and Ecological Engineering, Korea University) Park Heungsun (Department of Statistics, Hankuk University of Foreign Studies) Cho Kijong (Division of Environmental Science and Ecological Engineering, Korea University)
저널정보
한국응용곤충학회 Journal of Asia-Pacific Entomology Journal of asia-pacific entomology 제8권 제1호
발행연도
2005.1
수록면
81 - 86 (6page)

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This study was conducted to develop sequential sampling plans to estimate leafmine density by Liriomyza trifolii (Burgess) at three fixed-precision levels in commercial tomato greenhouses. The within-greenhouse spatial patterns of leafmines were aggregated. The slopes and intercepts of Taylor's power law did not differ between greenhouses and years. A fixed-precision level sampling plan was developed using the parameters of Taylor's power law generated from total number of leafmines in a tomato leaf (consisted of 7 leaflets) at three precision levels (D) of 0.20, 0.25, and 0.30. The resulting sampling plans were tested with sequential bootstrap simulations (n = 500) using 9 independent data sets for validation. Bootstrap simulation within a wide range of densities demonstrated that actual D' values at desired D = 0.30 averaged < 0.29 in all cases. Even at the lowest density of leafmine (0.16 mines per leaf), the actual mean D' value was 0.24 at D = 0.30. This result shows that the sampling plan developed in this study is effective and reliable for estimating the mine densities in tomato greenhouses.

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