Temperature Effects upon Development and Pathogenicity of Defoliating and Nondefoliating Pathotypes of Verticillium dahliae in Leaves of Cotton Plants

Temple, S.

doi:10.1094/phyto-63-953

Cited by 8 publications

(5 citation statements)

References 3 publications

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“…Picual faster and more intensively than cv. Oblonga; however, the pathogen spread to a similar extent in both susceptible and resistant cultivars, which seems to agree with results from studies with herbaceous plants (Beckman et al, 1976;Brandt et al, 1984;Temple et al, 1973). On the other hand, the virulent V 117 isolate colonized susceptible or resistant plants more intensively than the mildly virulent non-defoliating V 4 isolate.…”

Section: Infection and Diseasesupporting

confidence: 87%

Present status of verticillium wilt of olive in Andalucía (southern Spain)¹

et al. 1993

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Verticillium wilt caused by Verticillium dahliae is a disease highly prevalent in newly established olive orchards in Andalucía, southern Spain. Two syndromes of the disease occur in Andalucia, namely apoplexy and slow decline. Apoplexy is characterized by quick dieback of twigs and branches while slow decline consists of rapid drying out of inflorescences together with leaf chlorosis and necrosis. Systematic disease observations carried out in two experimental orchards planted with susceptible cv. Picual indicated that natural recovery of diseased trees occurred over time. Infection and vascular colonization of olive plants by V. dahliae were studied in susceptible (Picual) and resistant (Oblonga) cultivars inoculated with a mildly virulent or a highly virulent cotton‐defoliating isolate of V. dahliae. Disease symptoms developed 24–32 days after inoculation in cv. Picual, but at that time plants of cv. Oblonga remained free from symptoms. However anatomical observations and isolations indicated that systemic infections by the two isolates had occurred to a large extent in both cultivars.

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Section: Infection and Diseasesupporting

confidence: 87%

Present status of verticillium wilt of olive in Andalucía (southern Spain)¹

et al. 1993

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“…As the stress degree intensified, photosystem Ⅱ (PSⅡ) was damaged, resulting in weakened photosynthesis. With further intensification of VW stress, the chlorophyll content of the leaves decreased, and the vascular bundle of the cotton plant was blocked, hindering the transport of water and nutrients inside cotton plants, leading to a significant inhibition of the primary reaction of photosynthesis [45], [47], [48]. The fluctuation of ΦF during T1-T4, combined with the decrease of SIF_PAR, suggested that the decline of SIF during the whole period following VW stress was the outcome of both physiological and non-physiological changes [20], [22], [25], [49], [50].…”

Section: A Effects Of Vw On Cotton Canopymentioning

confidence: 99%

mentioning

confidence: 99%

Roles of Physiological and Nonphysiological Information in Sun-Induced Chlorophyll Fluorescence Variations for Detecting Cotton Verticillium Wilt

Zhou,

Huang,

Gui

et al. 2024

IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing

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Sun-induced chlorophyll fluorescence (SIF) has been a promising indicator of plants' physiological status, but its response to physiological changes under Verticillium Wilt (VW) stress of cotton plants is complicated by concurrent nonphysiological changes. The relative contributions of the above two components to SIF variations are unclear at different VW stress severities, hindering the accurate diagnose of VW levels. Therefore, the objective of this study is to investigate the dynamic responses of SIF, physiological and non-physiological factors, and to evaluate the contributions of the two factors to SIF variations under different VW stress degrees of cotton. We continuously observed the diurnal variation of top-of-canopy reflectance and SIF on healthy and VW-infected cotton during the peak incidence period of VW disease. To accurately quantify the relative contribution of each component to SIF, we proposed a practical strategy to estimate unmeasurable parameter when using Lindeman, Merenda, and Gold (LMG) method. The results demonstrated the dominated role of physiological factors in SIF with an arch diurnal change pattern at early stages of VW development. As the VW severity increased, the contribution of physiological components declined, with the maximum contribution decreasing by 47.7%, and the diurnal pattern was disrupted, with the diurnal variation amplitude of the parameter Manuscript

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“…The main mechanism of its pathogenesis is xylem vessel blockage and toxin produc the fungus invades the plant body, the mycelium blocks the xylem vessel, affecting the water and nutrients in the plant [1,7]. However, transpiration and respiration of the ae strong, causing water imbalance in the plant and signs such as leaf wilting and yellow eventually leads to plant death [8]. However, catheter blockage is not the primary cau wilting [7,9].…”

Section: Introductionmentioning

confidence: 99%

An Overview of the Molecular Genetics of Plant Resistance to the Verticillium Wilt Pathogen Verticillium dahliae

Song

Xie

et al. 2020

IJMS

104

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Verticillium dahliae is a soil-borne hemibiotrophic fungus that can lead to plant vascular disease and significant economic loss worldwide. Its hosts include over 400 dicotyledon plant species, such as annual herbs, perennials, and woody plants. The average yield loss of cotton crop caused by Verticillium wilt is approximately 10–35%. As the control of this disease is an urgent task for many countries, further understanding of the interaction between plants and V. dahliae is essential. Fungi can promote or inhibit plant growth, which is important; however, the most important relationship between plants and fungi is the host–pathogen relationship. Plants can become resistant to V. dahliae through diverse mechanisms such as cell wall modifications, extracellular enzymes, pattern recognition receptors, transcription factors, and salicylic acid (SA)/jasmonic acid (JA)/ethylene (ET)-related signal transduction pathways. Over the last decade, several studies on the physiological and molecular mechanisms of plant resistance to V. dahliae have been undertaken. In this review, many resistance-related genes are summarised to provide a theoretical basis for better understanding of the molecular genetic mechanisms of plant resistance to V. dahliae. Moreover, it is intended to serve as a resource for research focused on the development of genetic resistance mechanisms to combat Verticillium wilt.

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Temperature Effects upon Development and Pathogenicity of Defoliating and Nondefoliating Pathotypes of Verticillium dahliae in Leaves of Cotton Plants

Cited by 8 publications

References 3 publications

Present status of verticillium wilt of olive in Andalucía (southern Spain)¹

Present status of verticillium wilt of olive in Andalucía (southern Spain)¹

Roles of Physiological and Nonphysiological Information in Sun-Induced Chlorophyll Fluorescence Variations for Detecting Cotton Verticillium Wilt

An Overview of the Molecular Genetics of Plant Resistance to the Verticillium Wilt Pathogen Verticillium dahliae

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Temperature Effects upon Development and Pathogenicity of Defoliating and Nondefoliating Pathotypes of Verticillium dahliae in Leaves of Cotton Plants

Cited by 8 publications

References 3 publications

Present status of verticillium wilt of olive in Andalucía (southern Spain)1

Present status of verticillium wilt of olive in Andalucía (southern Spain)1

Roles of Physiological and Nonphysiological Information in Sun-Induced Chlorophyll Fluorescence Variations for Detecting Cotton Verticillium Wilt

An Overview of the Molecular Genetics of Plant Resistance to the Verticillium Wilt Pathogen Verticillium dahliae

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Present status of verticillium wilt of olive in Andalucía (southern Spain)¹

Present status of verticillium wilt of olive in Andalucía (southern Spain)¹