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Control of potato Scab in Brazil

Grant number: 18/23643-8
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): December 01, 2018
Effective date (End): November 30, 2021
Field of knowledge:Agronomical Sciences - Agronomy - Plant Health
Principal Investigator:Suzete Aparecida Lanza Destéfano
Grantee:Alex Augusto Tomaseto
Host Institution: Instituto Biológico (IB). Agência Paulista de Tecnologia dos Agronegócios (APTA). Secretaria de Agricultura e Abastecimento (São Paulo - Estado). Campinas , SP, Brazil
Associated research grant:17/50334-3 - Institutional research development plan (PDIp): modernization and adequacy of strategic multi-user units of the Instituto Biológico, AP.PDIP


Potato due to its nutritional characteristics is one of the most important vegetables in the diet of several countries and is considered the second largest source of nutrients for mankind. In Brazil, the main producing states are Minas Gerais, Paraná and São Paulo, however Brazilian potato productivity is still considered low due to diseases that affect the crop. Potato Scab caused by bacteria of the genus Streptomyces presents a widespread occurrence in the producing regions of Brazil, becoming a limiting factor in potato production in the country. The present project aims to investigate the antagonistic potential of commercially available isolates and products based on Trichoderma sp. in the control of Potato Scab in different potato cultivars through greenhouse and field experiments (in vivo); and to evaluate the effect of Bacillus subtilis on different cultivars of the tuber in the field. In addition, evaluations of the incidence and severity of Potato Scab, verification of growth promotion and resistance induction of potato plants will be carried out after use of biocontrol agents. (AU)

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