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Biological control of banana black Sigatoka disease with Trichoderma Ciência Rural
Cavero,Poholl Adan Sagratzki; Hanada,Rogério Eiji; Gasparotto,Luadir; Coelho Neto,Rosalee Albuquerque; Souza,Jorge Teodoro de.
Black Sigatoka disease caused by Mycosphaerella fijiensis is the most severe banana disease worldwide. The pathogen is in an invasive phase in Brazil and is already present in most States of the country. The potential of 29 isolates of Trichoderma spp. was studied for the control of black Sigatoka disease under field conditions. Four isolates were able to significantly reduce disease severity and were further tested in a second field experiment. Isolate 2.047 showed the best results in both field experiments and was selected for fungicide sensitivity tests and mass production. This isolate was identified as Trichoderma atroviride by sequencing fragments of the ITS region of the rDNA and tef-1α of the RNA polymerase. Trichoderma atroviride was as effective...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antagonists; Fungicide sensitivity; Mass production; Mycosphaerella fijiensis.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015000600951
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