“IN VITRO” SENSITIVITY OF ISOLATED Colletotrichum lindemuthianum TO FUNGICIDES

Authors

  • Aloísio Sartorato2 Sartorato

Keywords:

Anthracnose, resistance to fungicides, chemical control

Abstract

In vitro tests were carried out to evaluate the sensitivity of Colletotrichum lindemuthianum to the fungicides thiophanate methyl + chlorothalonil, thiophanate methyl, fluazinam, chlorothalonil, trifloxystrobin + propiconazole, pyraclostrobin, difenoconazole and fentin hidroxide. The fungus colony diameter of all isolates differed significantly from control in all active ingredient (a.i.) used. C. lindemuthianum isolates presented higher sensitivity to the a.i. difenoconazole, pyraclostrobin, trifloxystrobin + propiconazole and fluazinam. The majority of isolates presented low sensitivity to methyl thiophanate, which may indicate the occurrence of C. lindemuthianum resistance to this active ingredient.

KEY-WORDS: Anthracnose; resistance to fungicides; chemical control.

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Author Biography

Aloísio Sartorato2 Sartorato

Embrapa Arroz e Feijão - CNPAF (Centro Nacional de Pesquisa de Arroz e Feijão), Caixa Postal 179.
CEP 75375-000 Santo Antônio de Goiás, GO. E-mail: sartorat@cnpaf.embrapa.br

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Published

2007-10-24

How to Cite

SARTORATO, A. S. “IN VITRO” SENSITIVITY OF ISOLATED Colletotrichum lindemuthianum TO FUNGICIDES. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], Goiânia, v. 36, n. 3, p. 211–213, 2007. Disponível em: https://revistas.ufg.br/pat/article/view/2088. Acesso em: 1 dec. 2024.

Issue

v. 36, n. 3, Sep./Dec. 2006

Section

Scientific Note

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