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Management of Insect Vectors of Viruses in Tomato Plants Using Different Densities of Yellow Traps

Journal of Life Sciences 2016年第4期10卷 185-191页

作者： eduardo domingos grecco] Dirceu Pratissolit Hugo Bolsoni Zago Debora Ferreira Melo Fragoso JoseRomario Carvalho Department of Plant Production Center of Agricultural Sciences and Enengineering (CCAE) Universidade Federal do EspiritoSanto (CCA-UFES) Alegre Espirito Santo Brazil

The initial phase of tomato is critical to the infestation of insect vectors of viruses. Therefore, this study aimed to test the use of yellow card traps around the crop to manage insect vectors of viruses and test the best density of traps/tomato plants. Yellow card traps were placed on the border of the crop plot to capture adult insect vectors. Density of trap/tomato plant was assessed in 10 blocks at the following levels： 1/25; 1/50; 1/75; 1/100; 1/125; 1/150. The monitoring was carded out in 1% of the crop during 60 days in 2011 and 2012 crop. The evaluated systems were Conventional and Phytosanitary Pest Management （PPM）. During 2011 season the Conventional system received 14 insecticide applications whereas only 6 insecticide applications were made on the PPM, representing a reduction of 133%. In 2012, the crop under Conventional system was subjected to 15 applications of insecticides, over 8 on PPM, with a reduction of 87.5%. The PPM allowed a 90% reduction in application cost for this insects, obtaining a reduction of R$1,345.00/ha. The highest density was 60 plants/trap. We can conclude that the yellow card traps in tomato crop decreased infestations of insect vectors of viruses.

关键词： Viruses vectors Solanum lycopersicum yellow card trap.

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