Studies on Bacterial Canker of Tomato Caused by "Corynebacterium Michiganense" PDF Download
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Author: John Tsiantos
Publisher:
ISBN:
Category :
Languages : en
Pages : 774
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Book Description
Author: John Tsiantos
Publisher:
ISBN:
Category :
Languages : en
Pages : 774
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Book Description
Author: D. L. Strider
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 124
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Author: M. A. Chaldecott
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Category :
Languages : en
Pages :
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Author: Walter Franklin Congleton
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Category :
Languages : en
Pages : 90
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Author: E. T. Thompson
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Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 346
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Author: Graciano Patiño-Méndez
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Category :
Languages : en
Pages : 126
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Author: Ruey-ching Hwang
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Category : Tomatoes
Languages : en
Pages : 158
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Author: Carmen M. Medina-Mora
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Category : Bacterial diseases of plants
Languages : en
Pages : 322
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Author: Franklin Christopher Peritore
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ISBN:
Category :
Languages : en
Pages : 321
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Book Description
Bacterial canker of tomato is an economically devastating disease with a worldwide distribution caused by the gram-positive pathogen Clavibacter michiganensis. The seedborne pathogen systemically colonizes the tomato xylem, causing unilateral leaflet wilt, stem and petiole cankers, marginal leaf necrosis, and plant death. Splash dispersal of the bacterium onto fruit exteriors causes bird's-eye lesions, which are characterized as necrotic centers surrounded by white halos. The pathogen can colonize developing seeds systemically through the xylem and through penetration of fruit tissues from the exterior. There are no commercially available resistant tomato cultivars, and copper-based bactericides have limited efficacy for controlling the disease once the pathogen is in the xylem. This dissertation describes differences in pathogen colonization of xylem and fruit between tolerant and susceptible Solanum species, demonstrating that C. michiganensis is impeded in systemic and intravascular spread in the xylem, and is capable of causing bird's-eye lesions on wild tomato fruit. The size at which S. lycopersicum fruit inoculated with C. michiganensis and two additional bacterial pathogens begins developing lesions, peaks in susceptibility, and ceases developing lesions was determined in wildtype and ethylene-responsive mutants. Changes in chemical composition of xylem sap from susceptible S. lycopersicum and tolerant S. habrochaites plants during C. michiganensis infection was determined using untargeted metabolomics. Finally, a high-resolution proteome of C. michiganensis pellets and supernatant samples was generated and used to refine the reference genome. Together, these data provide a deeper understanding of C. michiganensis colonization of diverse host tissues, as well as host responses that may contribute to symptom development.
