Process Based Epidemiological Model for Cercospora Leaf Spot of Sugar Beet R package cercospoRa version 0.0.2 CRAN Task View: Epidemiology (https://CRAN.R-project.org/view=Epidemiology) Estimates sugar beet canopy closure with remotely sensed leaf area index and estimates when action might be needed to protect the crop from a Leaf Spot epidemic with a negative prognosis model based on published models. Software Depends: R (>= 4.3.0) Imports: data.table, lubridate, sf, terra, minpack.lm, circular Suggests: knitr, rmarkdown, testthat (>= 3.0.0), remotes, stats, spelling, geosphere, ggplot2 Paul Melloy <paul@melloy.com.au> Comprehensive R Archive Network (CRAN) Paul Melloy [aut, cre, trl, cph] (ORCID: <https://orcid.org/0000-0003-4253-7167>, Translated equations from literature and developed package.), Rene Heim [aut, cph] (ORCID: <https://orcid.org/0000-0002-0666-2588>, Code review and development of leaf area index model), Nathan Okole [aut, ctb, cph] (ORCID: <https://orcid.org/0000-0002-5375-2420>, Code review and development of leaf area index model), Facundo Ramón Ispizua Yamati [dtc, ctb] (ORCID: <https://orcid.org/0000-0001-5775-3554>, Code review), Anne-Katrin Mahlein [ctb, cph] (ORCID: <https://orcid.org/0000-0003-1091-3690>) MIT + file LICENSE (https://CRAN.R-project.org/package=cercospoRa/LICENSE) 2025-05-23 application/tgz https://CRAN.R-project.org/package=cercospoRa doi:10.32614/CRAN.package.cercospoRa