加拿大草原非作物植被区和附近油菜花田晚季害虫数量对比

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY
Rebecca Innes, Tobyn Neame, Paul Galpern
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引用次数: 0

摘要

农业景观中的非作物植被区对维持生物多样性至关重要。不过,它们也可能寄生害虫,给农作物田造成经济损失。已发现一些昆虫物种会从这些区域进入农作物,但这一情况因物种、景观组成和季节时间而异。为了确定油菜作物的五种常见害虫是否会在生长季节后期蔓延到田间,我们在加拿大大草原(加拿大艾伯塔省)广泛种植油菜作物的地区,从不同距离的非作物区采集样本。在 10 块田地中的每块田地的 15 个地点取样(N = 150 个地点)。我们模拟了害虫丰度随距离非作物区的变化情况,并对比了作物区和非作物区各分类群的丰度。只有叶蝉(半翅目:Cicadellidae)的丰度呈梯度下降,这与非作物植被区溢出到油菜田的情况一致。草履虫在非作物区的丰度明显较高,这表明该分类群与非作物区在季节后期存在关系,但丰度没有下降,这可能表明发生了溢出。所有分类群在田间的丰度都存在空间差异。本研究发现的证据有限,表明害虫在晚季从非作物植被溢出到油菜籽作物中。因此,此时害虫从非作物植被区的移动不太可能成为这种重要经济作物害虫压力的驱动因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Contrasting late season pest insect abundance in non-crop vegetation areas and nearby canola fields in the Canadian Prairies

Contrasting late season pest insect abundance in non-crop vegetation areas and nearby canola fields in the Canadian Prairies

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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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