Impact of climate change environmental conditions on the resilience of different formulations of the biocontrol agent Candida sake CPA‐1 on grapes
Biocontrol agents have become componentsof integrated crop protection systemsfor controlling economically important fungal pathogens.Candida sakeCPA-1 is abiocontrol agent of fungal pathogens of fruits, both pre- and post-harvest. Whilethe efficacy of different formulations have been examined previously, few studieshave considered the resilience of different formulations under changing climaticconditions of elevated temperature, drought stress and increased atmospheric CO2.This study examined the effect of (a) temperature9RH9elevated CO2(400vs1000 ppm) on the temporal establishment and viability of two dry and one liquidC. sakeCPA-1 formulations on grape berry surfaces; (b) temperature stress (25vs35°C); and (c) elevated CO2levels. Results indicated that temperature, RH and CO2concentration influenced the establishment and viability of the formulations butthere was no significant difference between formulations. For the combined three-component factors, increased temperature (35°C) and lower RH (40%) reduced theviable populations on grapes. The interaction with elevated CO2improved theestablishment of viable populations of the formulations tested. Viable populationsgreater than Log 4 CFUs per g were recovered from the grape surfaces suggestingthat these had conserved resilience for control ofBotrytisrot in grapes.
63 - Agricultura. Silvicultura. Zootècnia. Caça. Pesca
Is part of
Letters in Applied Microbiology
Carbó, A., R. Torres, N. Teixidó, J. Usall, A. Medina, and N. Magan. 2018. "Impact Of Climate Change Environmental Conditions On The Resilience Of Different Formulations Of The Biocontrol Agent Candida Sake CPA-1 On Grapes". Letters In Applied Microbiology 67 (1): 2-8. Wiley. doi:10.1111/lam.12889.
Grant agreement number
INIA-FEDER/Programa Nacional de Proyectos de Investigación Fundamental/RTA2012-00067-C02-01/ES/Desarrollo de formulaciones de agentes de biocontrol con recubrimientos biodegradables para el control de enfermedades en productos vegetales/
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