Pesquisa Agropecuária Brasileira (2012) 47, 913-919

João Eduardo Melo de Almeida, Arnaldi Eiki Mori, Edson Ampélio Pozza, Paulo Rebelles Reis and Antonia dos Reis Figueira (2012)
Análise temporal e controle da mancha-anular e do ácaro vetor do Coffee ringspot virus
[Temporal analysis and control of the ringspot disease and mite vector of Coffee ringspot virus]
Pesquisa Agropecuária Brasileira 47 (7), 913-919
Abstract: The objective of this work was to evaluate the population fluctuation of the mite Brevipalpus phoenicis, vector of the Coffee ringspot virus (CoRSV) - the causal agent of the coffee ringspot disease -, as well as its distribution in coffee plants, and the effect of acaricides in its control in coffee crops. The experiment was carried out at the municipality of Coromandel, in the region of Alto do Paranaíba, MG, Brazil, during two years. In the second year, the progress of the disease was evaluated, and the relationship between the mite population and disease incidence was determined. Ringspot disease and mites were detected throughout the year, with larger populations and disease incidence in the months with lower rainfall and mild temperatures. Pearson analyses showed negative correlation between the climatic parameters and the mite population. In the analysis of the disease incidence in different periods, a positive correlation was found among the first and subsequent evaluations. Regarding spatial distribution, mite presence was observed in the whole plant; however, leaves are preferred by the adults, whereas the fruit are preferred for oviposition. The acaricides are effective in keeping the mite population at low levels, with consequent reduction of disease incidence.
(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:
population dynamics/ epidemiology
environment - cropping system/rotation

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Brevipalpus phoenicis	Coffee (Coffea)	Brazil (south)
	Coffee ringspot virus	Coffee (Coffea)	Brazil (south)