Results 81 to 90 of about 29,697 (193)

Erster Nachweis von ‚Aster-Yellows-Disease‘ an Möhren (Phytoplasmen bedingte Möhrenröte) und in der Kleinzikade Macrosteles sexnotatus (Fallén 1806) in Deutschland – Monitoring und Diagnose

Journal für Kulturpflanzen, 2016
Im Jahr 2011 gelang es dem LTZ Augustenberg (Baden-Württemberg) erstmals in Deutschland ein Phytoplasma aus der ‚Aster Yellows‘-Gruppe an Möhren nachzuweisen.
Harald Schneller, Dietlinde Rißler, Gabriele Zgraja, Mareile Zunker, Olaf Zimmermann, Werner Kost, Elke Lasch, Klaus Schrameyer   +7 more
doaj  

First Report of Aster Yellows (16SrI-B) Associated with Potatoes in Alaska

, 2011
During a disease survey conducted in 2009 in Alaska, one potato plant (Solanum tuberosum) with symptoms characteristic of aster yellows, such as apical leaves rolling inward, leaves turning yellow or purple, and presence of aerial tubers, was found in a
J. H. McBeath, P. J. Laski, M. Cheng
core   +1 more source

Phytoplasma SAP11 effector destabilization of TCP transcription factors differentially impact development and defence of Arabidopsis versus maize.

PLoS Pathogens, 2019
Phytoplasmas are insect-transmitted bacterial pathogens that colonize a wide range of plant species, including vegetable and cereal crops, and herbaceous and woody ornamentals.
Pascal Pecher, Gabriele Moro, Maria Cristina Canale, Sylvain Capdevielle, Archana Singh, Allyson MacLean, Akiko Sugio, Chih-Horng Kuo, Joao R S Lopes, Saskia A Hogenhout   +9 more
doaj   +1 more source

Sesame phyllody associated with a 16SrI-B phytoplasma, a ‘Candidatus Phytoplasma asteris’-related strain, in Paraguay

Scientia Agricola
: Sesame (Sesamum indicum L.) plants exhibiting symptoms of phyllody disease were observed in commercial fields in Paraguay. The symptoms were indicative of infection by phytoplasmas.
Evandro de Jesus Ganem Junior, Luis Gonzalez Segnana, Elliot Watanabe Kitajima, Ivan Paulo Bedendo   +3 more
doaj   +1 more source

The determination of the spatial and temporal distribution of Aster Yellows phytoplasma in grapevine [PDF]

, 2015
Thesis (MSc)--Stellenbosch University, 2015.ENGLISH ABSTRACT: South Africa is ranked amongst the top ten for wine production internationally. Viticulture contributes immensely to the economy, which justifies research into the pathogens that may ...
Smyth, Natalie
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Pathogenicity of Aster Yellows Phytoplasma and Spiroplasma citri on Periwinkle [PDF]

Phytopathology®, 1998
Using Murashige and Skoog (MS) as a basal medium, the effects of varying levels and combinations of plant growth regulators required for shoot tip and root proliferation in healthy and aster yellows phytoplasma (AYP)- and Spiroplasma citri-infected periwinkle (Catharanthus roseus) shoots were studied. Number of shoots and fresh and dry mass of healthy
openaire   +2 more sources

Aberrant spermatogenesis in the leafhopper Macrosteles laevis (Rib.), infected by the aster yellows agent

, 2003
Sarja Tuhoeläimet n:o 84vokHäiriöitä siittiösolujen muodostumisessa aster yellows-mikrobin infektoimissa Macrosteles laevis (Rib ...
Halkka, Olli, Vasarainen, Arja, Raatikainen, Mikko, Halkka, Liisa, Hovinen, Riitta   +4 more
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Molecular characterization of a phytoplasma from the aster yellows (16SrI) group naturally infecting Populus nigra L. 'Italica' trees in Croatia

, 2003
Leaf and branch samples were collected from 10 Populus nigra L. 'Italica' trees found in the Zagreb urban area. One of the P. nigra L. 'Italica' trees exhibited leaf yellowing, overall sparse foliage, stunting and decline.
Juretic N., Paltrinieri S., Bertaccini A., Botti S., Skoric D., Seruga M.   +5 more
core   +1 more source

Molecular characterization of aster yellows phytoplasma associated with citrus varieties, using Multiplex PCR

Journal of Crop Protection, 2015
A survey was carried out in citrus nurseries in Mazandaran and Kerman provinces as the major citrus growing regions of Iran. Different varieties of orange and tangerine with abnormal symptoms were examined for the occurrence of Candidatus Liberobacter ...
Cobra Moslemkhani, Raheleh Shahbazi, Sareh Baghaii Ravari, Fatemeh Khelgatibana   +3 more
doaj  

Systemic insecticidal control of the Aster leafhopper (Macrosteles fascifrons, Stal) and Aster yellows in carrots and celery in Manitoba

, 1981
In Manitoba, aster yellows (AY) disease, as transmitted by the aster leafhopper, Macrosteles fascifrons, Stal, often results in reduced yield and quality of celery and carrots.
Ure, George Brian.
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