Fungal, host and non-host volatiles modify attraction of the walnut twig beetle, Pityophthorus juglandis, to pheromone lures

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Agricultural and Forest Entomology Pub Date : 2023-05-05 DOI:10.1111/afe.12573
Matthew W. Ethington, Matthew D. Ginzel
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真菌、寄主和非寄主挥发物改变核桃枝甲虫(Pityophthorus juglandis)对信息素的吸引力
核桃树千疮病(TCD)是由核桃枝甲虫(Pityophthorus juglandis)传播的致病真菌morbida引起的。WTB的监测工作依赖于以信息素为诱饵的陷阱,但诱饵可能只在短距离内有效吸引甲虫。真菌衍生的kairomones可能会增加现有诱饵的功效,而额外的挥发物可能会将甲虫从有价值的树木上赶走。本研究的目的是确定真菌、寄主和非寄主挥发物在多大程度上改变了WTB对信息素诱捕器的吸引力。一项诱捕研究将真菌、宿主相关和非宿主化合物与WTB信息素诱饵结合起来,在华盛顿州Walla Walla发生TCD爆发的黑核桃种植园进行了三年多的研究。以信息素和莫比达挥发物(即异戊醇和异丁醇)为诱饵的诱捕器始终吸引更多的WTB,而其他真菌挥发物与仅以信息素为诱饵的诱捕器相比,吸引力不一致。这是第一次实地研究,证明真菌挥发物可以增加树皮甲虫对硬木系统中信息素的吸引力。一种真菌(苯甲醇)和另外两种挥发物(柠檬烯、胡椒酮)可从信息素诱捕器中击退WTB。虽然已知柠檬烯可以击退WTB,但这是首次证明苯甲醇和胡椒酮可以击退树皮甲虫。真菌挥发物可以提高监测工作的有效性,并可能在WTB的管理策略中发挥重要作用,特别是在检测新生种群的引入和建立以及保护树木免受甲虫的入侵方面。
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来源期刊
Agricultural and Forest Entomology
Agricultural and Forest Entomology 农林科学-昆虫学
CiteScore
3.60
自引率
6.20%
发文量
66
审稿时长
>24 weeks
期刊介绍: Agricultural and Forest Entomology provides a multi-disciplinary and international forum in which researchers can present their work on all aspects of agricultural and forest entomology to other researchers, policy makers and professionals. The Journal welcomes primary research papers, reviews and short communications on entomological research relevant to the control of insect and other arthropod pests. We invite high quality original research papers on the biology, population dynamics, impact and management of pests of the full range of forest, agricultural and horticultural crops.
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