Persimmon anthracnose: a comparative study of aggressiveness on shoot and fruit among Colletotrichum horii isolates in southern Brazil

Blood, Renato Rezende Young; Carraro, Thiago de Aguiar; Figueiredo, Josiane Aparecida Gomes; Mio, Louise Larissa May De

doi:10.1590/0103-8478cr20200198

Cited by 3 publications

(2 citation statements)

References 25 publications

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“…The population of Colletotrichum present in the area was previously characterized as C . horii , based on the colony morphology and multigenic analyses, and the isolates obtained were pathogenic in both shoots and fruit (Blood et al, 2020).…”

Section: Methodsmentioning

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: Methodsmentioning

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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“…a Single-spore isolates were molecularly identified as Colletotrichum horii (May De Mio et al 2015). The isolates EMCo07, EMco11, EMCo13 and EMCo14 were renamed to DkPR11-07, DkPR09-11, DkPR10-13, DkPR10-14, respectively, and confirmed by multilocus analyses (Blood et al 2020).…”

Section: The Influence Of Temperature On Mycelial Growthmentioning

confidence: 99%

Effects of temperature and wetness period on the monocyclic components of persimmon anthracnose

Moreira,

Kowata-Dresch,

Verbiski

et al. 2023

Bragantia

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Anthracnose caused by Colletotrichum horii is one of the most important diseases in the persimmon tree. This study aimed to determine the influence of environmental variables on conidia germination, mycelial growth, and infection in persimmon fruit and shoots/twigs. The germination was quantified at 10, 15, 20, 25, and 30°C, with 6, 12, and 24 hours of wetness period. The effects of the same temperatures were also evaluated for mycelial growth, sporulation, and infection on 'Fuyu' fruit. The infection on shoots/twigs were quantified at 5, 10, 15, 22, 25, 27, and 35°C. The conidia germinated at all temperatures and wetness combinations, except at 10°C, with 6 hours of wetness. At 24 hours of wetness, the optimal temperature for conidia germination was 21.3°C. The optimal temperature for mycelial growth ranged between 21.7 to 24.3°C. The optimal temperature for lesion growth on fruit was 25.7°C; at 25°C, the incubation period was of two days, and the latent period lasted 12 days. On shoots/twigs, the temperature of 35°C anticipated in two days the onset of symptoms and 5-10°C delayed in eight-10 days the onset of symptoms in relation to temperature of 25°C. In nonlignified shoots, C. horii can cause symptoms from 15 to 35°C. In lignified twigs, C. horii was able to cause symptoms from 5 to 35°C. Because of the incidence and disease progression in most of climatic situations, our results reinforce the importance of monitoring and constantly removing diseased shoots, twigs, and fruits from the orchard to reduce the spread of the pathogen.

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Identification and characterization of Colletotrichum species associated with anthracnose on persimmon in Brazil

et al. 2022

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Persimmon anthracnose: a comparative study of aggressiveness on shoot and fruit among Colletotrichum horii isolates in southern Brazil

Cited by 3 publications

References 25 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

Effects of temperature and wetness period on the monocyclic components of persimmon anthracnose

Identification and characterization of Colletotrichum species associated with anthracnose on persimmon in Brazil

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