Results 51 to 60 of about 3,636 (210)
Frontiers in Plant ScienceA 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 +1 more source
Entomologia Experimentalis et Applicata, Volume 174, Issue 2, Page 132-141, February 2026.Aster yellows phytoplasma (AYp) infection alters host plant preference in aster leafhoppers (Macrosteles quadrilineatus), with infected vectors showing a significant preference for AYp‐infected canola (Brassica napus) early in the infection period. However, this preference fades as infection progresses. Despite early attraction, B.
Jeremy R. Irvine +2 more
wiley +1 more source
First identification of the pathogen causing tumor malformations in holm oak in Spain [PDF]
, 2014 Aim of study: In recent years an increase in pests and diseases associated with truffle plantations has been detected in Spain. The appearance of tumor malformations in trunks and branches of Quercus ilex L. must be highlighted. These bumps have expanded
Barriuso Vargas, Juan J. +4 more
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BMC Microbiology, 2017 Background Crotalaria aegyptiaca, a low shrub is commonly observed in the sandy soils of wadis desert and is found throughout all regions in Oman. A survey for phytoplasma diseases was conducted.
Ali Al-Subhi +3 more
doaj +1 more source
Pseudovivipary, a new form of asexual reproduction in the seagrass Posidonia oceanica [PDF]
, 2005 Short communicationThe seagrass Posidonia oceanica is able to reproduce by asexual formation of plantlets directly in the inflorescence. Pseudoviviparous plantlets were observed during May 2004 in 26% of the inflorescences in a P. oceanica meadow off the
Ballesteros, Enric +5 more
core +1 more source
Commodity risk assessment of Vitis spp. plants from Moldova
EFSA Journal, Volume 24, Issue 1, January 2026.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) +37 more
wiley +1 more source
Plant, Cell &Environment, Volume 48, Issue 11, Page 8217-8231, November 2025.ABSTRACT Plant galls are abnormal growing tissues induced by various parasitic organisms, exhibiting diverse and complex morphologies. Typically, these galls differ significantly in appearance from their host plants. Here, we report that larvae of a parasitic fly generate unique, rosette galls on Aster scaber, a perennial herb. These galls develop from
Kyung‐Hwan Boo +23 more
wiley +1 more source
Quantitative PCR assay for detection of bois noir phytoplasmas in grape and insect tissue [PDF]
, 2013 In Europe's vineyards "Bois noir" (BN) is an expanding yellows disease on Vitis vinifera. It is associated with phytoplasmas of the stolbur group (16SrXII-A).
Breuer, Michael +2 more
core +1 more source
First detection of apple proliferation and pear decline phytoplasmas in Luxembourg
EPPO Bulletin, Volume 55, Issue 2, Page 320-327, August 2025.Abstract The present article reports the first detection of the apple proliferation and pear decline phytoplasmas (‘Candidatus Phytoplasma mali’ and ‘Ca. P. pyri’, respectively) in Luxembourg. These phytoplasmas, belonging to the 'Apple Proliferation group' 16SrX, are causing severe losses in European fruit tree production, respectively, on apple ...
Alexander Weigand +3 more
wiley +1 more source
Association of a 16SrIX-C phytoplasma with eggplant phyllody in Iran
Journal of Crop Protection, 2015 In 2011-2012 surveys for phytoplasma diseases, eggplant )Solanum melongena L.( plants with phyllody symptoms were observed in eggplant fields of Roodan (Hormozgan province of Iran).
Zahra Tohidi +4 more
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