Fusarium and Verticellum Wilt in Cotton: A Review

Bhandari, Sudip; Niraula, Dikshya; Adhikari, Kripa

doi:10.26480/ecr.01.2020.48.52

Cited by 3 publications

(1 citation statement)

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“…The life cycle and epidemiology of Verticillium wilt of olive involve several stages and factors that contribute to the disease's establishment and spread. Here's an overview of the life cycle and epidemiology of V. dahliae (Figure 2) (Montes-Osuna & Mercado-Blanco, 2020; Ostos et al, 2020;Sudip et al, 2020):…”

Section: Life Cycle and Epidemiologymentioning

confidence: 99%

Verticillium wilt of olive and its control caused by the hemibiotrophic soil-borne fungus Verticillium dahliae

Rhouma,

Hajji-Hedfi,

Kouadri

et al. 2023

MBJ

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Verticillium wilt, caused by the soil-borne fungus Verticillium dahliae Kleb., poses a significant threat to olive (Olea europaea L.) cultivation worldwide. This review provides an in-depth comprehension of the disease and its management strategies. The genetic diversity of V. dahliae, comprising various pathotypes and races, has implications for virulence and host interactions. The fungus can affect a wide host range, including crops and trees. V. dahliae is responsible for many symptoms such as wilting, yellowing, stunted growth, necrosis, and vascular discoloration. Economic consequences caused by this pathogen include yield losses, low-quality olive oil, market restrictions, and increased production costs. Verticillium wilt thrives in warm temperatures and excessive soil moisture. Chemical and biological controls and cultural practices are evaluated as potential measures. However, the search for resistant cultivars stands out as a significant solution. Insights from this review underscore the need for an interdisciplinary approach to managing the Verticillium wilt of olives. Integrated disease management strategies, resistant cultivars, and sustainable practices emerge as pivotal approaches for disease control.

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Section: Life Cycle and Epidemiologymentioning

confidence: 99%

Verticillium wilt of olive and its control caused by the hemibiotrophic soil-borne fungus Verticillium dahliae

Rhouma,

Hajji-Hedfi,

Kouadri

et al. 2023

MBJ

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Leaf physiology and histopathology of the interaction between the opportunistic phytopathogen Fusarium equiseti and Gossypium hirsutum plants

de Souza Marques,

Vitorino,

Rosa

et al. 2023

Eur J Plant Pathol

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Fungal diseases constitute a major challenge in the cultivation of the world's most important textile plant, cotton. Opportunistic fungi attack plants and promote physiological alterations and tissue damage, thereby causing losses in productivity. Herein, the hypothesis that Gossypium hirsutum L. plants are physiologically affected, depending on the phenological stage and site of infection (root system or leaf), when affected by the opportunistic phytopathogen Fusarium equiseti was tested. To this end, the photosynthetic pigment production, gas exchange, chlorophyll a fluorescence, and histopathological mechanisms involved in the plant-phytopathogen interaction were evaluated. This study aimed to diagnose the most aggressive route of infection by comparing infection via root with infection via the leaf, and to identify the developmental stage with the highest susceptibility by comparing different phenological stages. Cotton plants show metabolic losses at the maturation stage, resulting in low photosynthetic pigment concentrations, low photosynthetic rates, and photochemical stress. However, when infected by F. equiseti in the root region, the photosynthesis and photochemistry of these plants are more affected than plants inoculated in the leaf region. Low net photosynthesis (A) and water use efficiency (WUE) rates, but high light absorption flux (ABS/RC) and energy dissipation flux (DI0/RC) values were observed. Regardless of the phenological stage, the presence of F. equiseti in the roots of cotton plants caused high transpiratory rates in the plants, suggesting non-stomatic water loss and photochemical damage. In contrast, non-inoculated plants produced more photosynthetic pigments and showed higher WUE and photochemical efficiency, as indicated by the high PIABS values. Leaf histopathology assessment revealed more fragile regions of the epidermis, such as the contact region between the guard cells and adjacent epidermal cells, as well as the basal region of glandular trichomes as important access routes for F. equiseti to the inner leaf layers at all developmental stages. This study confirmed that the root colonization of cotton plants with F. equiseti can more intensely impact the physiological quality of the plants, regardless of the developmental stage.

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Image Based Detection of Cotton Plant Diseases Using Discrete Wavelet Transform Features

Mohan,

Muthulakshmi,

2024

2024 Third International Conference on Intelligent Techniques in Control, Optimization and Signal Processing (INCOS)

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Fusarium and Verticellum Wilt in Cotton: A Review

Cited by 3 publications

References 0 publications

Verticillium wilt of olive and its control caused by the hemibiotrophic soil-borne fungus Verticillium dahliae

Verticillium wilt of olive and its control caused by the hemibiotrophic soil-borne fungus Verticillium dahliae

Leaf physiology and histopathology of the interaction between the opportunistic phytopathogen Fusarium equiseti and Gossypium hirsutum plants

Image Based Detection of Cotton Plant Diseases Using Discrete Wavelet Transform Features

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