Risk assessment for non-crop hosts of pea enation mosaic virus and the aphid vector Acyrthosiphon pisum

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY
Robert E. Clark, Saumik Basu, Sanford D. Eigenbrode, Liesl C. Oeller, David W. Crowder
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引用次数: 2

Abstract

Abstract Image

豌豆代花叶病毒和蚜虫媒介非作物寄主的风险评价
昆虫传播的植物病毒病原体对农业生态系统具有破坏性影响。媒介传播的病原体通常由在非作物宿主和作物宿主之间移动的多面手昆虫传播。昆虫媒介可以有广泛的食物宽度,但通常不知道哪些宿主是病原体的宿主,哪些非作物宿主携带的媒介密度最高。在美国西北太平洋地区,豌豆蚜是豆类作物的主要病毒载体。尽管该地区出现了大量潜在的非作物植物宿主豌豆蚜,但尚未发现经济成本高昂的病原体豌豆激活花叶病毒(PEMV)的宿主。我们通过将蚜虫媒介和植物病毒的实地调查与统计模型联系起来,对常见的非作物豆类进行风险评估,来解决这些问题;2018年,我们完成了一项65个地点的调查,调查了干豌豆田内外杂草丛生的豆类中的蚜虫。我们量化了17个寄主上豌豆蚜的丰度,并对植物组织进行了PEMV测试。在毛豌豆(Vicia villosa)为主的栖息地发现了相对较高密度的豌豆,毛豌豆是除栽培干豌豆外唯一检测到PEMV的豆类。我们的研究结果表明,绒毛V.villosa是PEMV的关键替代宿主,该地区的害虫管理实践应考虑这种杂草宿主的分布和丰度,以减轻脉冲的病毒性疾病。
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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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