Results 71 to 80 of about 1,164 (200)

Genetic structure and molecular variability of Grapevine fanleaf virus populations

open access: yesVirus Research, 2010
To gain insights into the evolutionary mechanisms of Grapevine fanleaf virus (GFLV) from the genus Nepovirus, family Secoviridae, the sequences of the complete coding region of RNA2, including genes 2A(HP), 2B(MP) and 2C(CP), and partial sequence from the RNA1-encoded gene 1E(Pol) of 14 GFLV isolates from three naturally infected California vineyards ...
Olivier, J. E.   +2 more
openaire   +4 more sources

The interplay between virus infection and water‐related stress is mediated by the plant metabolism of ascorbic acid

open access: yesNew Phytologist, Volume 247, Issue 1, Page 265-280, July 2025.
Summary Plants are often subjected to environmental variations in the context of infection such that virus‐induced and abiotic stresses co‐occur. One such environmental variation is water stress, which strongly impacts plant fitness. Although there is ample evidence of the beneficial effects of plant viruses under drought, the consequences of infection
Camila Jaime   +4 more
wiley   +1 more source

First detection of Grapevine rupestris stem pitting-associated virus and Grapevine rupestris vein feathering virus, and new phylogenetic groups for Grapevine fleck virus and Hop stunt viroid isolates, revealed from grapevine field surveys in Spain

open access: yesPhytopathologia Mediterranea, 2016
Evaluation of the prevalence of virus and viroid infections was conducted in a grapevine field collection in Valencia, Spain. Samples of autochthonous and traditional grapevine cultivars were collected during November 2011 and tested for the presence of ...
Nicola FIORE   +5 more
doaj   +1 more source

Identification and characterisation of Zucchini yellow fleck virus and a novel Nepovirus from next‐generation sequencing of mixed virus infections in cucumbers (Cucumis sativus) from Crete

open access: yesAnnals of Applied Biology, Volume 186, Issue 3, Page 248-261, May 2025.
High‐throughput sequencing from cucumber leaf samples collected in Crete, Greece, revealed mixed infections including a cucumber‐infecting isolate of Zucchini yellow fleck virus and a novel nepovirus, provisionally named cucumber nepovirus A (CuNVA).
Anthony James   +5 more
wiley   +1 more source

Next‐generation methods for early disease detection in crops

open access: yesPest Management Science, Volume 80, Issue 2, Page 245-261, February 2024.
Innovative alternative diagnostics allow easier and quicker plant disease detection than traditional methods. These latter methodological approaches require specialized personnel and they usually are more expensive than innovative methods based on field detection with portable instruments which are accessible to non‐specialized personnel.
Daniela Trippa   +10 more
wiley   +1 more source

A survey of grapevine fanleaf nepovirus isolates for the presence of satellite RNA

open access: yes, 2015
Grapevine fanleaf virus (GFLV) isolates from different geographical origins were surveyed for natural occurrence of satellite RNA. The results of molecular hybridization assays indicated that 5 isolates out of 34 tested, support the multiplication of a ...
Minafra, A., Walter, B., Saldarelli, P.
core   +1 more source

Studies on the Occurrence of Viruses in Planting Material of Grapevines in Southwestern Germany

open access: yesViruses, 2021
Viral diseases in viticulture lead to annual losses in the quantity and quality of grape production. Since no direct control measures are available in practice, preventive measures are taken to keep the vines healthy.
Noemi Messmer   +3 more
doaj   +1 more source

Cassava molecular genetics and genomics for enhanced resistance to diseases and pests

open access: yesMolecular Plant Pathology, Volume 25, Issue 1, January 2024.
Combating cassava diseases and pests requires a holistic approach that combines traditional breeding methods, genomics and biotechnology innovations such as conventional genetic engineering and genome editing. Abstract Cassava (Manihot esculenta) is one of the most important sources of dietary calories in the tropics, playing a central role in food and
Valentine Otang Ntui   +3 more
wiley   +1 more source

Elimination of Eight Viruses and Two Viroids from Preclonal Candidates of Six Grapevine Varieties (Vitis vinifera L.) through In Vivo Thermotherapy and In Vitro Meristem Tip Micrografting

open access: yesPlants, 2022
Viruses and virus-like organisms are a major problem in viticulture worldwide. They cannot be controlled by standard plant protection measures, and once infected, plants remain infected throughout their life; therefore, the propagation of healthy ...
Vanja Miljanić   +4 more
doaj   +1 more source

Rootstocks for Grapevines Now and into the Future: Selection of Rootstocks Based on Drought Tolerance, Soil Nutrient Availability, and Soil pH

open access: yesAustralian Journal of Grape and Wine Research, Volume 2024, Issue 1, 2024.
Rootstocks are used in viticulture to manage plant pests and diseases, particularly phylloxera and root‐knot nematodes, and to improve grape and wine production. A wide range of rootstocks are commercially available, making selecting the optimal rootstock a difficult decision.
Yipeng Chen   +6 more
wiley   +1 more source

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