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Phytoplasma Taxonomy: Nomenclature, Classification, and Identification

open access: yesBiology, 2022
Phytoplasmas are pleomorphic, wall-less intracellular bacteria that can cause devastating diseases in a wide variety of plant species. Rapid diagnosis and precise identification of phytoplasmas responsible for emerging plant diseases are crucial to ...
Wei Wei
exaly   +3 more sources

Multigene analysis reveals ‘Candidatus Phytoplasma asiaticum’ (16SrII-C) association with niger and sesame phyllody in Madhya Pradesh, Central India and identification of a putative vector [PDF]

open access: yesFrontiers in Plant Science
A field investigation was conducted during the winter seasons of 2021–22 and 2022–23 at the Jawaharlal Nehru Krishi Vishwa Vidyalaya (JNKVV), Jabalpur, Central India, to identify and characterize the phytoplasma strains associated with niger (var.
M. Gurivi Reddy   +7 more
doaj   +2 more sources

First Report of Desmodium styracifolium as a Novel Host for ‘Candidatus Phytoplasma australasiaticum’—Related Strains in China [PDF]

open access: yesMicroorganisms
Desmodium styracifolium (Osb.) Merr., a member of the Leguminosae family, is an important medicinal plant widely used in traditional Chinese medicine. In September 2024, D.
Yafei Tang   +7 more
doaj   +2 more sources

Genomic insights into the pathogenicity of a ‘Candidatus Phytoplasma asteris’ associated with Trema levigata witches’ broom disease in China [PDF]

open access: yesBMC Plant Biology
Background Phytoplasma research encounters limitations due to the lack of availability of pure cultures of these microorganisms. In this study a culture-independent approach was employed to investigate the genome and pathogenic mechanisms of phytoplasma ...
Qiao Kai   +9 more
doaj   +2 more sources

First report of ‘Candidatus Phytoplasma asteris’ associated with yellowing, scorching and decline of almond trees in India [PDF]

open access: yesPeerJ, 2023
The almond, a commercially important tree nut crop worldwide, is native to the Mediterranean region. Stone fruit trees are affected by at least 14 ‘Candidatus Phytoplasma’ species globally, among which ‘Candidatus Phytoplasma asteris’ is one of the most ...
Shivani Gupta   +6 more
doaj   +2 more sources

Combination of Cold Therapy and Chemotherapy for Eradication of Citrus exocortis Viroid [PDF]

open access: yesJournal of Plant Protection and Pathology, 2023
Citrus Excortis Viroid (CEVd) is California's first viroid disease described on citrus trees in 1948. It is the largest viroid of citrus with 371 nucleotides. The disease causes distinguished symptoms of bark scaling on rootstocks of citrus trees grafted
T. Abdelbaset   +3 more
doaj   +1 more source

Incidence, Molecular Detection, and Partial Nucleotide Sequencing of Some Viruses Causing Fig Mosaic Disease (FMD) on Fig Plants in Egypt

open access: yesInternational Journal of Microbiology, 2022
Fig mosaic disease (FMD) is a viral disease that poses a significant danger to Egypt’s fig-producing economy. During the two growing seasons 2017 and 2018, fig leaves and fruits displaying a variety of symptoms linked with fig mosaic disease (FMD) were ...
Neven I. Toima   +4 more
doaj   +1 more source

Physiological and Biochemical Changes in Lucerne () Plants Infected with ‘ Phytoplasma australasia’-Related Strain (16SrII-D Subgroup) [PDF]

open access: yesThe Plant Pathology Journal, 2022
Changes in physiological and biochemical patterns in lucerne plants caused by the presence of ‘Candidatus Phytoplasma australasia’, which is one of the significant pathogens causing yield losses in lucerne plants, were investigated.
Hümeyra Ayvacı   +2 more
doaj   +1 more source

EVALUATION OF SANITARY STATUS OF GRAPEVINES IN EGYPT [PDF]

open access: yesJournal of Plant Production, 2007
Incidence and distribution of viruses and virus diseases on grapevines (Vitis vinifera.) in different locations in Egypt were determined during March and April 2005 and 2006. Surveys for viruses were carried out at Grapevine areas in which international (
M. Amer   +3 more
doaj   +1 more source

Effect of Phytoplasma Associated with Sesame Phyllody on Ultrastructural Modification, Physio-Biochemical Traits, Productivity and Oil Quality

open access: yesPlants, 2022
Phytoplasmas are obligate cell-wall-less plant pathogenic bacteria that infect many economically important crops, causing considerable yield losses worldwide.
Eman A. Ahmed   +3 more
doaj   +1 more source

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