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Phytosanitary alert system for mildew control in vineyard conducted with and without plastic cover in the region of Jales, São Paulo

Grant number: 12/04615-7
Support Opportunities:Regular Research Grants
Duration: June 01, 2012 - May 31, 2014
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal Investigator:Marcel Bellato Spósito
Grantee:Marcel Bellato Spósito
Host Institution: Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil
Associated researchers:Fabrício Packer Gonçalves ; Marco Antônio Fonseca Conceição ; Paulo Cesar Sentelhas ; Reginaldo Teodoro de Souza ; Rosemeire de Lellis Naves


Jales region in northwestern São Paulo State, stands out among the main centers of production and marketing of grapes in Brazil. In this region as in other grape growing regions of São Paulo, environmental conditions are conducive to frequent occurrence of diseases throughout the crop cycle. Climatic factors such as low temperatures and high relative humidity, combined with frequent rain, influence the occurrence of diseases on grapevines, particularly mildew, caused by Plasmopara viticola. To guarantee high productivity and visual quality of the fruit, it is necessary during the entire cycle, a large number of applications of fungicides, which is more expensive to producer. The plastic cover has proved a viable alternative to the microclimate change favorably the vineyards, reducing the occurrence and severity of downy mildew and hence reducing the number of applications of fungicides. Thus, the use of phytosanitary warning models are essential for the system to become efficient. Thus, this study will evaluate the efficiency of different warning systems plant in downy mildew control in vineyards 'BRS Morena', conducted with and without plastic covers. The micrometeorological conditions provided in an environment with and without plastic cover will be monitored and provide data to the application of different warning systems and thus will be verified the validity of these models, by evaluating the severity of the mildew and productivity and fruit quality produced. The experiments are conducted in the experimental area in the region of Jales-SP, owned by Tropical Viticulture Experimental Station (EEVT) Embrapa Grape and Wine. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
HOLCMAN, ESTER; SENTELHAS, PAULO CESAR; FONSECA CONCEICAO, MARCO ANTONIO; ZARATE COUTO, HILTON THADEU. Vineyard microclimate and yield under different plastic covers. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY, v. 62, n. 6, p. 925-937, . (12/04615-7)
HOLCMAN, ESTER; SENTELHAS, PAULO CESAR; SPOSITO, MARCEL BELLATO; FONSECA CONCEICAO, MARCO ANTONIO; ZARATE COUTO, HILTON THADEU. Yield and quality of grapes cultivated under plastic coverings with different downy mildew control strategies. JOURNAL OF PHYTOPATHOLOGY, v. 167, n. 3, p. 185-195, . (12/04615-7)

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