| Grant number: | 13/21930-6 |
| Support type: | Scholarships in Brazil - Doctorate |
| Effective date (Start): | March 01, 2014 |
| Effective date (End): | August 31, 2016 |
| Field of knowledge: | Agronomical Sciences - Agronomy - Plant Health |
| Principal Investigator: | Lilian Amorim |
| Grantee: | Juliana Silveira Baggio |
| Home Institution: | Escola Superior de Agricultura Luiz de Queiroz (ESALQ). Universidade de São Paulo (USP). Piracicaba , SP, Brazil |
| Associated scholarship(s): | 14/16198-7 - Botrytis cinerea and Colletotrichum spp. in strawberries: sensitivity and molecular characterization of isolates with different levels of sensitivity to azoxystrobin, thiophanate-methyl and iprodione, BE.EP.DR |
Abstract Strawberries are affected by a large amount of pathogens which are found on seedling plants as well on harvested fruits, wherever strawberries are grown. Diseases are considered one of the most important problems of strawberries growth and jeopardize its production by reducing agricultural income and rising financial spending with its management. Gray mould, caused by Botrytis cinerea, and the anthracnoses, caused by some species of Colletotrichum, are the main diseases of strawberries and their importance are increasing worldwide due to the high economic losses they cause. As fungicide application is simple and the results obtained are immediate, they are widely used to control these diseases. However, they are often used interchangeably. Recent reports from ANVISA about pesticides residues monitoring have shown that more than 60 % of analyzed strawberries samples presented unsatisfying results. Fungicides continuous use can promote the selection of resistant phytopathogenic fungi, which are not efficiently controlled anymore. Many authors report the appearing of resistance in pathogens that cause diseases in strawberries. Therefore, this project aims are to evaluate Botrytis cinerea and Colletotrichum spp. isolates sensitivity to the main systemic fungicides used for strawberries in Brazil; to identify molecular characteristics of the isolates to recognize resistance genes to the chemical products; and to carry out studies about the spatio-temporal progress of the diseases caused by these pathogens in strawberries fields. (AU) | |