BLIGHTSIM: A new potato late blight model simulating the response of Phytophthora infestans to diurnal temperature and humidity fluctuations in relation to climate change

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cg.authorship.typesCGIAR multi-centre
cg.contributor.affiliationUniversity of Florida
cg.contributor.affiliationMinistry for Primary Industries, New Zealand
cg.contributor.affiliationInternational Potato Center
cg.contributor.affiliationInstitut national de la recherche agronomique, France
cg.contributor.crpRoots, Tubers and Bananas
cg.coverage.countryEcuador
cg.coverage.iso3166-alpha2EC
cg.coverage.regionLatin America
cg.coverage.regionSouth America
cg.creator.identifierJorge Andrade-Piedra: 0000-0001-7617-0506
cg.identifier.doihttps://doi.org/10.3390/pathogens9080659
cg.isijournalISI Journal
cg.issn2076-0817
cg.issue8
cg.journalPathogens
cg.subject.cipCROP PROTECTION
cg.subject.cipCROP AND SYSTEMS SCIENCES CSS
cg.subject.cipPOTATO AGRI-FOOD SYSTEMS
cg.subject.cipPOTATOES
cg.volume9
dc.contributor.authorNarouei-Khandan, H.A.
dc.contributor.authorShakya, S.
dc.contributor.authorGarrett, K.A.
dc.contributor.authorGoss, E.M.
dc.contributor.authorDufault, N.S.
dc.contributor.authorAndrade-Piedra, J.L.
dc.contributor.authorAsseng, Senthold
dc.contributor.authorWallach, Daniel
dc.contributor.authorBruggen, A.H.C. van
dc.date.accessioned2020-08-21T21:39:08Zen
dc.date.available2020-08-21T21:39:08Zen
dc.identifier.urihttps://hdl.handle.net/10568/109057
dc.titleBLIGHTSIM: A new potato late blight model simulating the response of Phytophthora infestans to diurnal temperature and humidity fluctuations in relation to climate changeen
dcterms.abstractTemperature response curves under diurnal oscillating temperatures differ from those under constant conditions for all stages of the Phytophthora infestans infection cycle on potatoes. We developed a mechanistic model (BLIGHTSIM) with an hourly time step to simulate late blight under fluctuating environmental conditions and predict late blight epidemics in potato fields. BLIGHTSIM is a modified susceptible (S), latent (L), infectious (I) and removed (R) compartmental model with hourly temperature and relative humidity as driving variables. The model was calibrated with growth chamber data covering one infection cycle and validated with field data from Ecuador. The model provided a good fit to all data sets evaluated. There was a significant interaction between average temperature and amplitude in their effects on the area under the disease progress curve (AUDPC) as predicted from growth chamber data on a single infection cycle. BLIGHTSIM can be incorporated in a potato growth model to study effects of diurnal temperature range on late blight impact under climate change scenarios.en
dcterms.accessRightsOpen Access
dcterms.audienceScientists
dcterms.audienceCGIAR
dcterms.available2020-08-15
dcterms.bibliographicCitationNarouei-Khandan, H.A.; Shakya, S.; Garrett, K.A.; Goss, E.M.; Dufault, N.S.; Andrade-Piedra, J.L.; Asseng, S.; Wallach, D.; Bruggen, A.H.C van. (2020). BLIGHTSIM: A new potato late blight model simulating the response of Phytophthora infestans to diurnal temperature and humidity fluctuations in relation to climate change. Pathogens. ISSN 2076-0817. 9(8), 659en
dcterms.issued2020-08
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherMDPI
dcterms.subjectpotatoesen
dcterms.subjectphytophthora infestansen
dcterms.subjecttemperatureen
dcterms.subjecthumidityen
dcterms.subjectsimulation modelsen
dcterms.typeJournal Article

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