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首页> 外文期刊>Journal of Economic Entomology >Influence of Sweep Length on Rice Stink Bug (Hemiptera: Pentatomidae) Capture and Reliability of Population Density Estimates
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Influence of Sweep Length on Rice Stink Bug (Hemiptera: Pentatomidae) Capture and Reliability of Population Density Estimates

机译：扫掠长度对水稻臭虫（血红柿：五滴虫）捕获及人口密度估算可靠性的影响

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摘要

The rice stink bug, Oebalus pugnax (F.), is a key pest of heading rice, Oryza sativa L. (Poales: Poaceae), in the southern United States. Sweep net sampling is the recommended method for sampling rice stink bug in rice, but there currently exists no specific recommendation for sweep length, and a large amount of variation likely exists amongst samplers. The objectives of this study were to determine the role that sweep length plays in sampling accuracy and determine the feasibility of using sweep lengths smaller than 180 degrees. When monitoring sweep lengths by consultants, producers, and researchers, a large amount of variation in sweep length and a significant linear relationship between sweep length and rice stink bug catch per 10 sweeps was observed. Sweep length was then controlled at three levels (0.8, 1.8, and 3.5 m) and a change from 0.8 to 1.8 m in sweep length led to an increase on average of 2.28 rice stink bugs per 10 sweeps. These data suggest knowledge of sweep length is vital, and paired with large amounts of observed variation in sweep length, recommending a specific sweep length is ideal. Using Taylor's values, it was determined that 1.8 m sweeps resulted in density estimates that were as reliable as 3.5 m (180 degrees) sweeps, suggesting a longer sweep length was not necessary. A 1.8 m sweep length recommendation would create an easier sampling regimen that is still reliable, which could lead to more accurate action threshold decisions being made for rice stink bug if it increases adoption in consultants and producers.
机译：米臭虫（F.），Oebalus Pugnax（F.）是南方南部汤米，奥里扎·萨蒂瓦L.（Poales：Poaceae）的关键害虫。扫描净采样是稻米臭臭虫的推荐方法，但目前没有针对扫描长度的特定建议，并且在采样器中可能存在大量变化。本研究的目标是确定扫描长度以采样精度扮演的作用，并确定使用小于180度的扫描长度的可行性。当顾问，生产者和研究人员监测扫描长度时，观察到每10次扫描的扫描长度与扫描长度和水稻臭虫捕获之间的大量变化。然后将扫描长度控制在三个级别（0.8,1.8和3.5米），随着0.8至1.8米的扫描长度的变化导致平均每10次扫描的2.28米臭虫的增加。这些数据建议扫描长度的知识是至关重要的，并配对大量观察到的扫描长度变化，推荐特定的扫描长度是理想的。使用泰勒的值，确定1.8米扫描导致密度估计，与3.5米（180度）扫描一样可靠，表明不需要更长的扫描长度。 1.8米的扫描长度推荐将创造一个更容易的采样方案，仍然可靠，如果它在顾问和生产者中增加采用，则可能导致为米臭虫进行更准确的行动阈值决策。

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