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Peach brown rot incidence related to pathogen infection at different stages of fruit development in an organic peach production system



Peach brown rot incidence related to pathogen infection at different stages of fruit development in an organic peach production system



Crop Protection 30(7): 802-806



Brown rot, caused by Monilinia fructicola, is the most widespread disease for organic peach production systems in Brazil. The objective of this study was to determine the favorable periods for latent infection by M. fructicola in organic systems. The field experiment was carried out during 26, 27 and 28 using the cultivar Aurora. After thinning fruits were bagged using white paraffin bags, and the treatments were performed by removing the bags and exposing the fruit for four days to the natural infection during each of seven fruit stages from pit hardening to harvest. Throughout the entire growing season, the conidial density. Highlights: Monilinia fructicola can infect peaches at any stage of the fruit development. The embryo growing stage is less susceptible to M. fructicola infection in peach. Brown rot incidence has a negative relationship with cumulative rainfall. Brown rot incidence has a positive relationship with conidia density. The management of brown rot for organic producers must consider all fruit stages under high pressure of inoculums.

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Accession: 036072184

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DOI: 10.1016/j.cropro.2011.03.005


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