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Resistance induced component of management of diseases of grapevine

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Author(s): Erbs Cintra de Souza Gomes | Jane Oliveira Perez | Jusciélio Barbosa

Journal: Engenharia Ambiental : Pesquisa e Tecnologia
ISSN 1678-2178

Volume: 6;
Issue: 2;
Start page: 114;
Date: 2009;
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Keywords: Resistance induced | Plasmopara viticola | Uncinula necator

ABSTRACT
The use of induced resistance presents as a viable alternative in the management of diseases of the vine. Accordingly, the objective of this study was to evaluate the efficiency of Agro Mos® and potassium phosphite in controlling diseases of grapevine under field conditions in the Valley San Francisco. O test was conducted under field conditions in the experimental area IFSertão Pernambucano, Petrolina, PE, using the cultivar Petit Sirah. The experimental design was in randomized blocks, composed of five treatments and five replicates: T1 - control; T2 - Cabrio Top® - CT (2kg ha-1); T3 - Agro Mos® - AM (3mL L-1); T4 - Fosfito de potássio - FP (4mL L-1); T5 - Agro Mos® - AM (3mL L-1) interleaved with the fungicide Cabrio Top® - CT (2kg ha-1). Each plot consisted of eight plants. Data were subjected to analysis of variance and averages compared by Tukey test at 5%. Conditions in which the experiment was developed, the use of potassium phosphite and Agro-Mos® promoted a significant reduction in the incidence of Plasmopara viticola and Uncinula necator.Key-words: resistance induced, Plasmopara viticola, Uncinula necator.
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