Results 1 to 10 of about 45,181 (211)

Commodity risk assessment of <i>Vitis</i> spp. plants from Moldova. [PDF]

EFSA J
Abstract The European Commission requests EFSA to provide scientific opinions in the field of plant health in accordance with Article 29 of Regulation (EC) No 178/2002. Annex VI of Commission Implementing Regulation (EU) 2019/2072 lists plants, plant products and other objects whose introduction into the Union from certain third countries is prohibited.
EFSA Panel on Plant Health (PLH), Civera AV, Baptista P, Chatzivassiliou E, Cubero J, Cunniffe N, de la Peña E, Desneux N, Filipiak A, Gonthier P, Hasiów-Jaroszewska B, Jactel H, Landa BB, Maistrello L, Makowski D, Milonas P, Papadopoulos NT, Potting R, Susi H, van der Gaag DJ, Gómez P, Justesen AF, Lucchi A, Urek G, Yuen J, Zappala L, Bernardo U, Bubici G, Carluccio AV, Chiumenti M, Di Serio F, Fanelli E, Kariampa P, Marzachì C, Kaczmarek A, Matic L, Mosbach-Schulz O, Berlin A.   +37 more
europepmc   +2 more sources

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

BMC 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, Wan Qionglian, Li Xuemei, Wang Lianchun, Su Fan, Lei Jinfu, Shangguan Muzi, Li Mei, Shahzad Munir, Cai Hong   +9 more
doaj   +2 more sources

Occurrence of Stolbur Phytoplasma Disease in Spreading Type Petunia hybrida Cultivars in Korea [PDF]

The Plant Pathology Journal, 2013
In January 2012, spreading type petunia cv. Wave Pink plants showing an abnormal growth habit of sprouting unusual multiple plantlets from the lateral buds were collected from a greenhouse in Gwacheon, Gyeonggi Province, Korea.
Bong Nam Chung, Myeong Il Jeong, Seung Kook Choi, Jae Ho Joa, Kyeong San Choi, In Myeong Choi   +5 more
doaj   +2 more sources

Rapid Diagnosis of Major Phytoplasma Infected Trees Using the Loop-Mediated Isothermal Amplification Method in South Korea [PDF]

The Plant Pathology Journal
Tree diseases associated with phytoplasma infections predominantly affecting nine host trees have serious impacts on tree growth and cause significant economic losses in South Korea.
Geon-Woo Lee, Hyeong-Woo Lee, Sun Keun Lee, Sang-Sub Han   +3 more
doaj   +2 more sources

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

PeerJ, 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, Anil Handa, Ajay Brakta, Gulshan Negi, Rahul Kumar Tiwari, Milan Kumar Lal, Ravinder Kumar   +6 more
doaj   +2 more sources

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

The 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, M. Ertuğrul Güldür, Murat Dikilitas   +2 more
doaj   +1 more source

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

Plants, 2022
Phytoplasmas are obligate cell-wall-less plant pathogenic bacteria that infect many economically important crops, causing considerable yield losses worldwide.
Eman A. Ahmed, Amro A. Farrag, Ahmed A. Kheder, Ahmed Shaaban   +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

International 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, Om-Hashem M. El-Banna, Ali M. Sayed, Sahar A. Youssef, Ahmed A. Shalaby   +4 more
doaj   +1 more source

The Diversity, Distribution and Status of Phytoplasma Diseases in China

Frontiers in Sustainable Food Systems, 2022
Phytoplasmas are important prokaryotic pathogenic bacteria without cell walls, which were formerly known as mycoplasma-like organisms, and belong to the Mollicutes class, Candidatus Phytoplasma genus.
Xiao-Yan Wang, Rong-Yue Zhang, Jie Li, Yin-Hu Li, Hong-Li Shan, Wen-Feng Li, Ying-Kun Huang   +6 more
doaj   +1 more source

Molecular characterization and evolution of the resident population of some alfalfa mosaic virus (AMV) isolates in Egypt

BMC Microbiology, 2023
Background Alfalfa mosaic virus (AMV) is an important virus affecting many vegetable crops in Egypt. In this study, virus isolates were collected from naturally infected potato, tomato, alfalfa and clover plants that showed suspected symptoms of AMV in ...
Hala A. Amin, H. A. Younes, Radwa M. Shafie, Mervat M. Fathallah   +3 more
doaj   +1 more source