Phytoparasitica (2017) 45, 95-101

Marina M. Gouvêa, Debora M.S. Freitas, Jorge A.M. Rezende, Luis F.M. Watanabe and André L. Lourenção (2017)
Bioassay of insecticides on mortality of Bemisia tabaci biotype B and transmission of Tomato severe rugose virus (ToSRV) on tomatoes
Phytoparasitica 45 (1), 95-101
Abstract: Tomato severe rugose virus (ToSRV) is a serious and prevalent begomovirus that causes severe mosaic and yield loss of tomato plants in Brazil. The virus is transmitted by Bemisia tabaci bitotype B (MEAM1) in a persistent circulative manner. This study evaluated the efficacy of cyantraniliprole foliar spray, cyantraniliprole root drenching, spiromesifen, thiamethoxam, and cartap on the mortality of Bemisia tabaci byotipe B and simulated primary and secondary transmission of ToSRV. None of the insecticides were effective in controlling primary transmission of ToSRV by B. tabaci. Cyantraniliprole root drenching, cartap, and cyantraniliprole foliar spray were effective in controlling secondary transmission of the virus, and infections were reduced by 94.5, 89.6, and 81%, respectively, compared to each of their controls. Thiamethoxam and spiromesifen did not provide effective control of secondary infection. Elimination of external sources of inoculum before starting new plantings and rational use of insecticides to reduce secondary infection may contribute to better disease management of tomato crops.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Jorge A.M. Rezende, André Luiz Lourencao

Research topic(s) for pests/diseases/weeds:
transmission/dispersal of plant diseases
control - general

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Bemisia tabaci biotype MEAM1	Tomato (Solanum lycopersicum)
	Tomato severe rugose virus	Tomato (Solanum lycopersicum)