Fitopatologia Brasileira (2006) 31, 140-146

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Letícia A.S. Nociti, Margarete Camargo, Júlio Rodrigues Neto, Fabrício J.B. Francischini and José Belasque Júnior (2006)
Agressividade de linhagens de Xanthomonas axonopodis pv. aurantifolii Tipo C em lima ácida 'Galego'
[Aggressiveness of Xanthomonas axonopodis pv. aurantifolii Type C strains in 'Mexican' Lime]
Fitopatologia Brasileira 31 (2), 140-146
Abstract: The purpose of this research was to provide the information about the aggressiveness of strains of Xanthomonas axonopodis pv. aurantifolii - strains C (Xaa-C), producer (PP) or not of dark pigment (NP) in culture medium in comparison with X. axonopodis pv. citri - strains A (Xac). A total of 14 strains were inoculated by needle wounds in 'Mexican' Lime (Citrus aurantifolia) leaves, with bacterial cell suspension (107 CFU/mL): seven were Xaa-C PP, five were not producers and two were Xac strains. Ten replications of one plant each were used in each treatment. The plants were kept in greenhouse during the experiment. The strains differed on incubation period, lesion size and population growth. Xaa NP was more aggressive than PP. Symptoms induced by some strains varied in terms of water-soaked, chlorotic halos and necrosis.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: Portuguese)
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Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Xanthomonas citri Citrus (genus)
Xanthomonas citri Citrus (genus)