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Evaluation of and -Derived VOCs as Dual-Active Biostimulants and Pest Repellents in a Wireworm-Infested Potato Field. | LitMetric

AI Article Synopsis

Article Abstract

Wireworm, the larval stages of click beetles, are a serious pest of tubers, brassicas and other important commercial crops throughout the northern hemisphere. No effective control agent has been developed specifically for them, and many of the pesticides marketed as having secondary application against them have been withdrawn from EU and Asian markets. , an effective entomopathogenic fungus, and its derived volatile metabolites are known to be effective plant biostimulants and plant protectants, although field efficacy has yet to be validated. Field validation of a combined and derived VOC treatments was conducted in Wales, UK, to assess the effects of each as a wireworm control agent and biostimulant. Plots were treated with Tri-Soil (), , 1-octen-3-ol or 3-octanone, or combinations thereof. Treatments were applied subsurface during potato seeding ( = 52), and potatoes were harvested at the end of the growing season. Each potato was weighed individually and scored for levels of wireworm damage. Applications of both the VOCs and the individually were found to significantly decrease wireworm burden ( < 0.001). Combinations of and 3-octanone were also found to significantly decrease wireworm damage ( < 0.001), while no effect on yield was reported, resulting in an increased saleable mass over controls ( < 0.001). Herein, we present a novel 'stimulate and deter' wireworm control strategy that can be used to significantly enhance saleable potato yields and control wireworm populations, even under high pest pressure densities.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10301102PMC
http://dx.doi.org/10.3390/jof9060599DOI Listing

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