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首页> 外文期刊>Australasian journal of ecotoxicology: the official journal of the Australasian Society for Ecotoxicology >CONTRASTING EFFECTS OF TWO PESTICIDES ON MOTILE ARTHROPODS IN A CITRUS ORCHARD CANOPY
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CONTRASTING EFFECTS OF TWO PESTICIDES ON MOTILE ARTHROPODS IN A CITRUS ORCHARD CANOPY

机译：两种农药对柑桔园冠层运动节肢动物的对比作用

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摘要

Multidimensional Scaling (MDS) was used to assess the effects of two different pesticides on non-target motile foliage-dwelling arthropod communities that could be sampled by a portable suction system in a citrus orchard in the coastal region of New South Wales, Australia. Sprays of nC24 horticultural mineral oil (HMO) and an organophosphorous insecticide (methidathion) were applied at the level of whole blocks in the manner pertinent to successful control of (sessile) scale insects. The MDS model produced ordination figures for several sampling times before and after spray applications that showed that any effect of HMO was undetectable but methidathion was disruptive to the sampled motile foliage arthropod community for at least 18 weeks. This was confirmed with ANOVA of arthropod abundance. Thus if sprays were required several times per year it would be desirable to use HMOs to preserve biodiversity.
机译：多维标度（MDS）用于评估两种不同农药对非目标活动性叶子居留节肢动物群落的影响，可以通过便携式抽吸系统在澳大利亚新南威尔士州沿海地区的柑桔园中取样。以成功控制（无柄）规模的昆虫的方式，在整块的水平上喷洒nC24园艺矿物油（HMO）和有机磷杀虫剂（methidathion）。 MDS模型在喷雾之前和之后的几个采样时间中产生了整理图，表明无法检测到HMO的任何作用，但在至少18周内，甲硫磷对采样的活动性节肢动物群落造成破坏。节肢动物丰度的方差分析证实了这一点。因此，如果每年需要多次喷雾，则需要使用HMO来保护生物多样性。

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