Infecção de Monilinia fructicola no período da floração e incidência de podridão parda em frutos de pessegueiro em dois sistemas de produção

Mio, Louise Larissa May De; Moreira, Luciene Martins; Monteiro, Lino Bittencourt; Júnior, Paulo Ribeiro Justiniano

doi:10.1590/s1982-56762008000300008

Cited by 14 publications

(12 citation statements)

References 11 publications

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“…Therefore, the first spraying should be performed during sprouting to avoid inoculum increases, which can reach the flower. Moreover, the spraying must be repeated during the beginning of blooming, with two other sprayings during the periods of full and final blooming, similar to the regime for anthracnose in olive trees (Talhinhas et al, 2015), strawberry (Swett et al, 2020), citrus (postbloom fruit drop) (MacKenzie et al, 2009) and acid lime trees (Peres et al, 2008), as well as for other pathogens such as Botrytis cinerea (Bulger et al, 1987) and Monilinia fructicola (May De Mio et al, 2008). A greater number of applications may be necessary, depending on the blooming period and weather conditions, as greater precipitation favours the spread of the pathogen.…”

Section: Ta B L Ementioning

confidence: 99%

Field studies of anthracnose symptoms and pathogen infection in different phases of the persimmon growing season

et al. 2022

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Brazil is currently the world's sixth largest producer of persimmon (Diospyros kaki), with a total yield of 156,935 tonnes in 2018, cultivated in an area of 8148 ha and an average of 22.4 t/ha (Food & Agriculture Organization, 2020). The Brazilian persimmon production is concentrated in the southern and south-eastern regions, with approximately 80% of the cultivated area concentrated in the states of São Paulo (SP), Rio Grande do Sul (RS) and Paraná (PR) (Instituto Brasileiro de Geografia e Estatística, 2020).The cultivars grown in these regions vary depending on the weather and market; for example, in the south-east, cultivars Rama Forte, Fuyu, Guiombo and Taubaté are the most planted, whereas Fuyu and Kyoto are more frequently grown in the south (Aguiar et al., 2014).Persimmons were grown as low-maintenance plants in the south of Brazil, with high productivity and demanding few cultural practices and phytosanitary treatments (Danielli et al., 2002). However, since 2006, mainly in the state of Paraná, growers and extension personnel began to report an increase in the incidence of anthracnose in

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Section: Ta B L Ementioning

confidence: 99%

Field studies of anthracnose symptoms and pathogen infection in different phases of the persimmon growing season

et al. 2022

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“…Fruit of this cultivar weighs 120 g on average and has a spherical shape and white flesh. Brown rot is the main disease of stone fruit in Brazil, and Monilinia fructicola is the most prevalent species causing this disease (Angeli et al, 2017; Fischer et al, 2017; May De Mio et al, 2008; Pereira et al, 2019). This disease causes severe damage at harvest and postharvest in Chimarrita (Alves et al, 2021; Keske et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

High inoculum of Monilinia fructicola is a threat to peach production in the tropics due to fruit susceptibility at all development stages

et al. 2022

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Brown rot is the main disease of stone fruits in Brazil, but the susceptibility of peaches to brown rot at different stages of development in the field has not been studied under subtropical conditions. This information is relevant to guide the management of the disease. The objective of this research was to determine the influence of inoculating peaches with Monilinia fructicola at different stages of development on the infection and progress of brown rot at postharvest. Two experiments were carried out: one ex vivo with two cultivars and the other in the field for two seasons. Peaches were inoculated at different sizes for both experiments. In the field, peaches were bagged to avoid natural infection, and M. fructicola inoculum was monitored. The ex vivo incidence of the disease was lower at pit hardening than at other fruit stages for both cultivars. The incidence of brown rot for peaches attached to the trees increased with fruit ripening. Conversely, the time for symptom expression was reduced according to peach diameter. Peaches inoculated with a diameter smaller than 2 cm showed a lower incidence of brown rot and longer periods for disease expression than fruit inoculated near harvest. In conclusion, in areas with high inoculum in the orchard, a common condition in the subtropics, the grower must prevent infection at all stages of fruit development, thus avoiding losses during marketing.

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“…The control of the disease during postharvest is essential to reduce the inoculum in the field, preventing manifestation of the disease during fruit storage and marketing. Thereby, the chemical control with fungicide is the most efficient method, spraying the plants from flowering until the preharvest stages of fruit development (Holb & Schnabel, 2007;May-De Mio et al, 2008;Moreira & May-De Mio, 2009;Casals et al, 2012). Preharvest fungicide application is indispensable, especially for areas with high inoculum pressure, or in cases of damage caused by insects or hail during fructification .…”

Section: Introductionmentioning

confidence: 99%

Peach brown rot control and the relationship of latent infection with postharvest disease

et al. 2018

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The peach brown rot, caused by Monilinia fructicola, is the main disease of the crop, causing significant losses during preharvest and postharvest. This study aimed to evaluate the performance of preharvest fungicide application on brown rot control and verify the role of latent infection and external contamination in postharvest disease. An experiment was carried out in the years 2014 and 2015 in order to evaluate the performance of six active ingredients (captan, iprodione, iminoctadine, tebuconazole, difenoconazole and azoxystrobin) during preharvest on brown rot control and the effect on latent infection. A second experiment was carried out to monitor the latent infection during growth and ripening of the fruit and in order to correlate it with the postharvest disease incidence. The data were submitted to analysis of variance (Anova) and the means were grouped by the Scott-Knott test (p < 0.05), using statistical software Sisvar. The active ingredients iprodione, tebuconazole and difenoconazole were the most efficient in controlling brown rot on the field, while iminoctadine has higher efficiency during postharvest control, acting on latent infections. The incidence of latent infections during fruit growth and ripening has a positive correlation with brown rot incidence at postharvest. The highest disease incidence after storage is due to the latent infections manifestation. Effective chemical control in the field, throughout the growing and ripening of fruit, is an important approach to postharvest brown rot control, even after cold storage and during shelf life at 20 °C.

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Infecção de Monilinia fructicola no período da floração e incidência de podridão parda em frutos de pessegueiro em dois sistemas de produção

Cited by 14 publications

References 11 publications

Field studies of anthracnose symptoms and pathogen infection in different phases of the persimmon growing season

Field studies of anthracnose symptoms and pathogen infection in different phases of the persimmon growing season

High inoculum of Monilinia fructicola is a threat to peach production in the tropics due to fruit susceptibility at all development stages

Peach brown rot control and the relationship of latent infection with postharvest disease

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