Results 51 to 60 of about 1,545 (189)

Pest categorisation of Palm lethal yellowing phytoplasmas [PDF]

open access: yes, 2017
The EFSA Panelon Plant Health performed a pest categorisation of Palm lethal yellowing phytoplasmas for the EU territory. This name is used to describe diseases that share the same succession of symptoms in palms that are caused by a number of strains of
Abeysinghe   +51 more
core   +1 more source

The Distribution of Phytoplasmas in South and East Asia: An Emerging Threat to Grapevine Cultivation

open access: yesFrontiers in Plant Science, 2019
Grapevine is largely cultivated in several parts of the world, and a spurt in its cultivation has occurred in the last two decades in grapevine cultivated areas of South and East Asia, mainly in China, India, Japan, Korea, Thailand, and Indonesia ...
Roberto Pierro   +6 more
doaj   +1 more source

Etiology of Almond Yellows and Witches’ Broom in the Khorasan Razavi Province [PDF]

open access: yesپژوهش‌های حفاظت گیاهان ایران
IntroductionAlmond (Prunus amygdalus Batsch.) is a plant native to Iran, and Iran is one of the most important almonds producing countries in the world.
Reza Tavanai sarab   +2 more
doaj   +1 more source

Phytoplasma infection in tomato is associated with re-organization of plasma membrane, ER stacks, and actin filaments in sieve elements [PDF]

open access: yes, 2015
Phytoplasmas, biotrophic wall-less prokaryotes, only reside in sieve elements of their host plants. The essentials of the intimate interaction between phytoplasmas and their hosts are poorly understood, which calls for research on potential ...
Buxa, Stefanie V   +8 more
core   +2 more sources

Molecular diagnostic assays based on cpn60 UT sequences reveal the geographic distribution of subgroup 16SrXIII-(A/I)I phytoplasma in Mexico

open access: yesScientific Reports, 2017
Geographically diverse samples from strawberry exhibiting symptoms of Strawberry Green Petal (SbGP), periwinkle plants with virescence, and blackberry, blueberry, and raspberry plants displaying yellowing and inedible fruits, were assayed for the ...
Edel Pérez-López   +4 more
doaj   +1 more source

Global Status of Phytoplasma Diseases in Vegetable Crops

open access: yesFrontiers in Microbiology, 2019
The presence of phytoplasmas and their associated diseases is an emerging threat to vegetable production which leads to severe yield losses worldwide. Phytoplasmas are phloem-limited pleomorphic bacteria lacking the cell wall, mainly transmitted through ...
Shweta Kumari   +5 more
doaj   +1 more source

Phytoplasma detected in reverted black currants in Finland [PDF]

open access: yes, 2010
vo
Lemmetty, Anne, Pribylova, J., Spak, J.
core  

'Candidatus phytoplasma palmicola’: a novel taxon associated with a lethal yellowing-type disease (LYD) of coconut ( Cocos nucifera L.) in Mozambique [PDF]

open access: yes, 2014
In this study, the taxonomic position and group classification of the phytoplasma associated with a lethal yellowing-type disease (LYD) of coconut (Cocos nucifera L.) in Mozambique were addressed. Pairwise sequence similarity values based on alignment of
Davis, Robert E.   +8 more
core   +2 more sources

Effects of Phytoplasma Infection on Aster Leafhopper (Macrosteles quadrilineatus) Settling Behavior and Development on Brassica napus

open access: yesEntomologia 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

Changes of ultrastructure and cytoplasmic free calcium in Gladiolus x hybridus Van Houtte roots infected by aster yellows phytoplasma

open access: yesActa Societatis Botanicorum Poloniae, 2011
Roots of Gladiolus x hybridus Van Houtte plants infected with aster yellows phytoplasma were examined. The infected plants had a reduced root system in comparison to control plants.
Anna Rudzińska-Langwald   +1 more
doaj   +1 more source

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