BIO Web of Conferences
Volume 7, 201639th World Congress of Vine and Wine
|Number of page(s)||3|
|Published online||26 October 2016|
Antifungal activity of plant extracts on Phaeomoniella chlamydospora
1 UNICENTRO, Câmpus CEDETEG, Guarapuava, PR, Brasil. Fellowship: CAPES
2 IFRS, Câmpus Bento Gonçalves, RS, Brasil
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The decline and death of the vine has become an obstacle to world wine production. Among the causative agents highlights the Phaeomoniella chlamydospora, causal agent of Esca and Petri disease. Plant extracts may become a viable option control considering their fungistatic and/or fungicide substances. The objective of this work was to verify the potential of the aqueous extracts of plants on the control of Phaeomoniella chlamydospora comparing to other products. The following treatments were applied: sulfur, mancozeb, difeconazole, pyraclostrobin, tebuconazole, chitosan, Bacillus subtilis, Trichoderma harzianum,and extracts of india flowers, cinnamon bark, dried leaves of rosemary and lemon grass. The treatments were added in PDA culture medium, previously autoclaved at 120o for 20 min. Disc of 5 mm diameter of P.chlamydosporacolony were transferred to the center of Petri dishes and kept at 20∘C in the dark. The experimental design was completely randomized with five replications. It was evaluated the mycelial growth at five, eight and fourteen days after the installation of the experiment, obtaining the area under curve of the mycelial growth (AUCMG). The clove India extracts, cinnamon and rosemary, proved to be a control option considering their effect in the decrease of AUCMG compared to the control.
© The Authors, published by EDP Sciences 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
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