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The prospect of applying chemical elicitors and plant strengtheners to enhance the biological control of crop pests

机译：应用化学引发剂和植物增强剂来增强农作物病虫害的生物防治的前景

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An imminent food crisis reinforces the need for novel strategies to increase crop yields worldwide. Effective control of pest insects should be part of such strategies, preferentially with reduced negative impact on the environment and optimal protection and utilization of existing biodiversity. Enhancing the presence and efficacy of native biological control agents could be one such strategy. Plant strengthener is a generic term for several commercially available compounds or mixtures of compounds that can be applied to cultivated plants in order to 'boost their vigour, resilience and performance'. Studies into the consequences of boosting plant resistance against pests and diseases on plant volatiles have found a surprising and dramatic increase in the plants' attractiveness to parasitic wasps. Here, we summarize the results from these studies and present new results from assays that illustrate the great potential of two commercially available resistance elicitors. We argue that plant strengtheners may currently be the best option to enhance the attractiveness of cultivated plants to biological control agents. Other options, such as the genetic manipulation of the release of specific volatiles may offer future solutions, but in most systems, we still miss fundamental knowledge on which key attractants should be targeted for this approach.
机译：迫在眉睫的粮食危机加剧了对提高全球农作物产量的新战略的需求。有效控制害虫应成为此类战略的一部分，优先减少对环境的负面影响，并以最佳方式保护和利用现有生物多样性。增强天然生物防治剂的存在和功效可能是这样的策略之一。植物增强剂是几种可商购的化合物或化合物混合物的通称，这些化合物或化合物的混合物可用于栽培植物以“增强其活力，适应力和性能”。对增强植物对害虫和病害的抗性对植物挥发物的影响的研究发现，植物对寄生黄蜂的吸引力出人意料地显着增加。在这里，我们总结了这些研究的结果，并提出了一些试验的新结果，这些试验说明了两种市售抗性激发子的巨大潜力。我们认为，植物增强剂目前可能是增强栽培植物对生物防治剂吸引力的最佳选择。其他选择，例如对特定挥发物的释放进行基因操作，可能会为将来提供解决方案，但是在大多数系统中，我们仍然缺少有关该方法应针对哪些主要引诱剂的基本知识。

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