A system to map the risk of infection by Puccinia kuehnii in Brazil

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dc.creatorCiro Hideki Sumida
dc.creatorLucas Henrique Fantin
dc.creatorRicardo Marcelo Gonçalves
dc.creatorMarcelo Giovanetti Canteri
dc.creatorKelly Lana Araújo
dc.creatorÉder Antônio Giglioti
dc.date2019
dc.date.accessioned2026-07-07T03:53:24Z
dc.descriptionOrange rust caused by the fungus Puccinia kuehnii greatly affects sugarcane and causes millions of tons of losses in production. This condition was first reported in Brazil at the end of 2009. The disease is currently present in most of the countries that produce this crop. The aim of this research was to develop risk maps of P. kuehnii infection using temperature and relative humidity data, provided by 389 automatic weather stations throughout the country. A spatial distribution analysis was carried out to assess the number of daily hours of favorable conditions for spore germination in each region. In the central-south region, where the main sugarcane producing states are concentrated, two distinct periods were observed during the three years studied. Higher favorability occurred from October to April, and lower favorability occurred from May to September. The opposite relation was observed on the coast of the north-eastern region, where conditions were more favorable to the disease from May to September. The validation data were confirmed by the results of Pearson’s correlation between sugarcane orange rust infection under field conditions and the proposed maps. In conclusion, risk maps obtained using data from automatic weather stations could contribute to the monitoring of the risk of infection by sugarcane orange rust.
dc.formatapplication/pdf
dc.identifier1679-9275
dc.identifierhttps://www.redalyc.org/articulo.oa?id=303060470021
dc.identifierhttps://www.redalyc.org/journal/3030/303060470021/
dc.identifierhttps://www.redalyc.org/journal/3030/303060470021/html/
dc.identifierhttps://www.redalyc.org/journal/3030/303060470021/303060470021.epub
dc.identifierhttps://www.redalyc.org/journal/3030/303060470021/movil
dc.identifier10.4025/actasciagron.v41i1.39905
dc.identifier.urihttp://hdl.handle.net/123456789/446285
dc.languageen
dc.publisherUniversidade Estadual de Maringá
dc.relationhttp://www.redalyc.org/revista.oa?id=3030
dc.rightsActa Scientiarum. Agronomy
dc.sourceActa Scientiarum. Agronomy (Brasil) Vol.41
dc.subjectAgrociencias
dc.titleA system to map the risk of infection by Puccinia kuehnii in Brazil
dc.typeartículo científico

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Acta Scientiarum. Agronomy - Universidade Estadual de Maringá