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Field demonstration of a semiochemical treatment that enhances Diorhabda carinulata biological control of Tamarix spp.

机译:现场论证了一种化学信息学处理方法可增强Di柳的Diorhabda carinulata生物防治。

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摘要

The northern tamarisk beetle Diorhabda carinulata (Desbrochers) was approved for release in the United States for classical biological control of a complex of invasive saltcedar species and their hybrids (Tamarix spp.). An aggregation pheromone used by D. carinulata to locate conspecifics is fundamental to colonization and reproductive success. A specialized matrix formulated for controlled release of this aggregation pheromone was developed as a lure to manipulate adult densities in the field. One application of the lure at onset of adult emergence for each generation provided long term attraction and retention of D. carinulata adults on treated Tamarix spp. plants. Treated plants exhibited greater levels of defoliation, dieback and canopy reduction. Application of a single, well-timed aggregation pheromone treatment per generation increased the efficacy of this classical weed biological control agent.
机译:北部柳甲虫Diorhabda carinulata(Desbrochers)已获批准在美国发行,用于对入侵的柳杉种及其杂种(Tamarix spp。)的复合体进行经典生物学控制。 D. carinulata使用的聚集信息素来定位物种,这对定殖和繁殖成功至关重要。开发了专门为控制这种聚集信息素的释放而配制的专门基质,以作为在田间操纵成人密度的诱饵。每一代成年开始发作时的一种诱饵提供了在治疗的Tamarix spp上对D. carinulata成年动物的长期吸引和保留。植物。处理过的植物表现出更高水平的脱叶,回死和冠层减少。每代应用单一的,及时的聚集信息素处理可提高这种经典杂草生物防治剂的功效。

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