2020
DOI: 10.1590/1678-992x-2018-0038
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Morphological and molecular characterization of Puccinia kuehnii, the causal agent of sugarcane orange rust, in Cub

Abstract: Sugarcane orange rust caused by Puccinia kuehnii has recently become an important disease in sugarcane crops and its spread is causing great concern to growers. In this study, we analyzed spores from symptomatic orange rust sugarcane leaves collected in multiple locations in Cuba in a 4-year-period in order to characterize morphological traits of P. kuehnii, establish an adequate molecular technique to characterize it, and determine its infection court in sugarcane. Orange rust caused by P. kuehnii was confirm… Show more

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Cited by 2 publications
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“…Among the studied raspberries, R. niveus has stomata with a smaller width and length, and a higher stomatal index. Having more stomata available should apparently facilitate the pathogen’s penetration [ 55 , 56 , 57 ], however, nothing that drew attention was observed for this black raspberry. Nevertheless, the morphology of the stomata is also related to the penetration process, as a small stoma might hinder the formation of an appressorium [ 58 ].…”
Section: Discussionmentioning
confidence: 99%
“…Among the studied raspberries, R. niveus has stomata with a smaller width and length, and a higher stomatal index. Having more stomata available should apparently facilitate the pathogen’s penetration [ 55 , 56 , 57 ], however, nothing that drew attention was observed for this black raspberry. Nevertheless, the morphology of the stomata is also related to the penetration process, as a small stoma might hinder the formation of an appressorium [ 58 ].…”
Section: Discussionmentioning
confidence: 99%