Visualization of fungal hyphae in the trichomes of sawtooth oak leaves

Park, Jun Hyung; An, Hwayong; Kim, Ki Woo

doi:10.1007/s10658-020-01970-6

Cited by 5 publications

(4 citation statements)

References 41 publications

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“…We conclude that the difference in temperature between necrotic spots and healthy areas cannot be predicted by assessing the disease symptoms alone. Given the frequent occurrence of trichomes on the adaxial leaf surface of sawtooth oak (Park et al., 2020), the effect of trichome topography on leaf temperature requires further study.…”

Section: Discussionmentioning

confidence: 99%

Outdoor infrared imaging for spatial and temporal thermography: A case study of necrotic versus healthy leaf areas on woody plants

Park

Kim

2020

Journal of Phytopathology

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The temperature of plants can be measured using infrared (IR) thermography. Despite the extensive use of IR imaging indoors, outdoor IR imaging is uncommon. We used IR imaging to compare leaf temperatures between necrotic spots and healthy areas of oriental cherry (Prunus serrulata var. spontanea), Japanese cornel (Cornus officinalis) How to cite this article: Park J, Kim KW. Outdoor infrared imaging for spatial and temporal thermography: A case study of necrotic versus healthy leaf areas on woody plants. J

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Section: Discussionmentioning

confidence: 99%

Outdoor infrared imaging for spatial and temporal thermography: A case study of necrotic versus healthy leaf areas on woody plants

Park

Kim

2020

Journal of Phytopathology

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“…The internal transcribed spacer (ITS) regions were amplified with the primers ITS1 and ITS4 using a thermocycler (2720 Thermal Cycler; Applied Biosystems, Foster City, CA, USA) (White et al, 1990). The polymerase chain reaction (PCR) mixture preparation, thermal profiling and the resulting fragment sequencing were performed as described previously (Park et al, 2020). Phylogenetic analyses were performed using the ‘maximum likelihood method’ based on the Tamura‐Nei model (Tamura & Nei, 1993).…”

Section: Methodsmentioning

confidence: 99%

Dimorphism and microcycle conidiation of Pseudocercospora pseudostigmina‐platani conidia from American sycamore

Park

Seo

et al. 2022

Forest Pathology

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Platanus species are widely planted as amenity trees in temperate regions worldwide for their ability to survive in harsh urban streets and soil environments (Sanusi & Lvesley, 2020;Wood & Esaian, 2020).Belonging to the family Platanaceae, they are broad-leaved and deciduous trees. Platanus occidentalis L., commonly known as the American sycamore or American planetree, is a popular street tree in Korea (Woo, 2006). Several diseases and pests of this species are known, including anthracnose caused by Apiognomonia veneta, powdery mildew caused by Erysiphe platani, Hyphantria cunea, fall webworm and Corythucha ciliata, sycamore lace bug (La et al., 2009(La et al., , 2013.Mycosphaerella leaf spot, caused by Mycosphaerella platanifolia, appears in Platanus species including P. occidentalis (Filer et al., 1977;La et al., 2009). Taxonomic reassessments have been performed on the genus Mycosphaerella (Braun & Crous, 2006;Crous & Corlett, 1998). A fungus causing black leaf spot on P. orientalis in Australia was thus identified as Pseudocercospora platanigena (= Stigmina platani) (Carnegie et al., 2021). The fungal pathogen attacking P. occidentalis in Korea is currently known as

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“…Como não foram encontradas aberturas naturais na superfície dos tricomas infectados, a hipótese mais provável é que tenha ocorrido penetração direta por meio da secreção de substâncias químicas pelo fungo, ocasionando modificações na parede celular do tricoma. Outra possibilidade é a senescência dos tricomas, uma vez que, ao ocorrer a deterioração das células, a entrada do fungo foi facilitada (PARK et al 2020).…”

Section: Tricomas Como Locais De Infecção Por Fun-gos E Oomicetosunclassified

Tricomas: defesa ou vulnerabilidade para a planta na interação com microrganismos?

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Conce

Dallagnol

2022

Revisão Anual De Patologia De Plantas

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The plant surface is one of the first sites of contact with microorganisms, where structures such as the cuticle and trichomes are responsible for interfering with this initial interaction. Trichomes, while protecting plants from microorganisms, can also facilitate infection by pathogens. The density of trichomes varies among species, and the amount and type of these structures in plant organs can confer resistance or susceptibility of plants to microorganisms. The trichomes, non-glandular and glandular, act as a barrier, preventing the adherence of the infective structures of the pathogens on the plant surface. In addition, glandular trichomes also secrete exudates (products of plant metabolism), which have antimicrobial properties, negatively interfering with the development of many bacterial and fungal diseases. However, both trichomes are favorable sites for the penetration and multiplication of plant pathogens, possibly because they provide a certain level of moisture and nutrients for the development of fungi and bacteria. Contrary to the view that trichomes only provide protection against plant pathogens, by hindering their adhesion, they can also become preferential sites for infection.

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Visualization of fungal hyphae in the trichomes of sawtooth oak leaves

Cited by 5 publications

References 41 publications

Outdoor infrared imaging for spatial and temporal thermography: A case study of necrotic versus healthy leaf areas on woody plants

Outdoor infrared imaging for spatial and temporal thermography: A case study of necrotic versus healthy leaf areas on woody plants

Dimorphism and microcycle conidiation of Pseudocercospora pseudostigmina‐platani conidia from American sycamore

Tricomas: defesa ou vulnerabilidade para a planta na interação com microrganismos?

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