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首页> 外文期刊>Pest Management Science >Economic injury levels and sequential sampling plans for control decision-making systems of Bemisia tabaci biotype B adults in watermelon crops
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Economic injury levels and sequential sampling plans for control decision-making systems of Bemisia tabaci biotype B adults in watermelon crops

机译：西瓜作物中Bemisia Tabaci Biotype B成人控制决策系统的经济损伤水平和顺序抽样计划

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BACKGROUND Decision-making systems are essential parts of integrated pest management programs. The whitefly Bemisia tabaci (Hemiptera: Aleyrodidae) is a major pest of many crops, including watermelon (Citrullus lanatus), the second most consumed fruit worldwide. However, there are still no studies on decision-making systems for B. tabaci on this crop. Thus, we aim to determine a decision-making system to control B. tabaci biotype B on watermelon crops. RESULTS The highest densities of B. tabaci biotype B reduced the yield of watermelon crops by up to 56%. Watermelon plants were more susceptible to the pest at the vegetative stage than at the reproductive stage. The economic injury levels of B. tabaci biotype B when watermelon prices were low, average, and high were respectively, 0.52, 0.21 and 0.13 adults leaf(-1) at the vegetative stage, and 1.69, 0.69 and 0.44 adults leaf(-1) at the reproductive stage. The sequential plans reached the same decisions as the conventional plan, and reduced the time and cost of sampling by up to 92.68%. CONCLUSION The decision-making systems determined in this study enable an expedited and proper decision to be made for controlling B. tabaci, biotype B and can be used in different price situations for watermelon and in crops at different phenological stages. (c) 2018 Society of Chemical Industry
机译：背景技术决策系统是综合害虫管理计划的重要部分。粉虱Bemisia Tabaci（Hemiptera：Aleyrodidae）是许多作物的主要害虫，包括西瓜（柑橘类Lanatus），这是全球第二次消耗的水果。但是，仍然没有关于这种作物的B. Tabaci的决策系统的研究。因此，我们的目标是确定在西瓜作物上控制B. tabaci生物型B的决策系统。结果B. Tabaci Biotype B的最高密度降低了西瓜庄稼的产量高达56％。西瓜植物在营养阶段比在生殖阶段更容易受到害虫的影响。 B. Tabaci Biotype B的经济损伤水平分别在营养阶段0.52,0.21和0.13成人叶（-1），1.69,0.69和0.44成人叶（-1） ）在生殖阶段。顺序计划达到与传统计划相同的决定，并将抽样的时间和成本降低至92.68％。结论本研究中确定的决策系统能够进行加速和适当的决定来控制B. tabaci，生物型B，并可用于西瓜和不同鉴别阶段的不同价格情况。 （c）2018化学工业协会

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