Dwarf Silver Banana Post-harvest Anthracnose Control With Fungicides And Under Refrigeration [controle Pós-colheita Da Antracnose Da Banana -prata Anã Tratada Com Fungicidas E Mantida Sob Refrigeração]

Anthracnose is one of the main post-harvest disease of the banana, caused by different physiological races of Colletotrichum musae. It manifests itself mostly in ripe fruits, threatening its quality. Its appearance is related to the inadequate handling, absence of chemical control in field, and cooling. Application of chemical products is usually done during the processing, but it is important to point out that it can be done while the fruit is still in the field. This work had as an objective to verify the effect post-harvest application of fungicides to control anthracnose in Dwarf Silver bananas, stored at 20°C and 12°C. To that end, the influence of the thiabendazole and imazalil fungicides was tested on Colletotrichum musae. In the tests we employed Dwarfed Silver isolates of cultivars FHIA 02 and ST 4208 inoculated in Dwarfed Silver bananas. The evaluations were done every 3 days, by measuring the size of injuries (mm2). The inoculated fruits were discarded in the stage 7 of maturation (yellow with brown tips). The most efficient treatments in disease control were those in which the bananas were treated with the thiabendazole fungicide. The difference in relation to the pathogenicity of the isolates used, demonstrated the specificity of the cultivar.34410041008Chillet, M., de Bellaire, L.L., Dorel, M., Joas, J., Dubois, C., Marchal, J., Perrier, X., Evidence for the variation in susceptibility of bananas to wound anthracnose due to Colletotrichum musae and the influence of edaphic conditions (2000) Scientia Horticulturae, Amsterdam, 86, pp. 33-47Couto, E.F., Menezes, M., (2004) Caracterização Fisiomorfológica De Isolados De C. Musae. Fitopatologia Brasileira, 29, pp. 406-412. , BrasíliaKimati, H., Amorim, L., Rezende, J.A.M., Bergamim, F.A., Camargo, L.E.A., (2005) Manual De Fitopatologia: Doenças Das Plantas Cultivadas, 2, p. 663. , São Paulo: CeresLima, L.C., de Castro, M.V., de Dias, M.S.C., Martins, R.M., Silva, D.F., Costa, S., Ribeiro Jr., P.M., Bresinski, T.L., (2001) Conservação Póscolheita De Banana Prata Anã Produzida Na Região De Minas Gerais, pp. 272-274. , In: SIMPÓSIO NORTE MINEIRO SOBRE A CULTURA DA BANANA, 1., 2001, Nova Porteirinha. Anais... Nova Porteirinha: EpamigLima, L.C., Dias, M.S.C., de Castro, M.V., Ribeiro Jr., P.M., de Silva, E.B., Controle da antracnose e qualidade de mangas (Mangifera indica L.) cv. haden, após tratamento hidrotémico e armazenamento refrigerado em atmosfera modificada Ciência E Agrotecnologia, 31 (2), pp. 298-304. , mar./ abr., 2007Lima, F.R.M., Oliveira, S.M.A., Menezes, M., Caracterização enzimática e patogenicidade cruzada de Colletotrichum spp. associados a doenças de póscolheita Fitopatologia Brasileira, (28), pp. 620-625. , Brasília, nov./dez. 2003de Nolasco, C.A., Salomão, L.C.C., Cecon, P.R., Bruckner, C.H., ROCHA, A.Qualidade póscolheita de banana 'Prata' tratada por hidrotermia Ciência E Agrotecnologia, 32 (5), pp. 1575-1581. , set./ out., 2008Peres, N.A.R., Kuramae, E.E., de Dias, M.S.C., de Souza, N.L., Identification e characterization of Colletotrichum spp. affeting fruit after harvest in Brazil (2002) Journal of Phytopathology, 150, pp. 128-134. , OxfordTuite, J., (1969) Plant Pathological Methods: Fungi and Bacteria, p. 239. , Mineapolis: BurgessVentura, J.A., Hinz, R.H., Controle das doenças da bananeira (2002) Controle De Doenças De Plantas Fruteiras, pp. 839-926. , In: ZAMBOLIN, L.VALE, F.X.R. doMONTEIRO, A.J.A.COSTA, H, Viçosa, MG: UF