Results 51 to 60 of about 370 (142)

The detection of viruses and phytoplasmas in dwarfed shoots of grapevine varieties Aurelius and Neuburger

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2012
The survey of occurrence of six chosen virus pathogens and phytoplasmas complex was done on plants of grapevine (Vitis vinifera L.) which showed symptoms of short-shoot syndrom.
Věra Holleinová, J. Čechová
doaj   +1 more source

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

Viruses, 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, Patricia Bohnert, Stefan Schumacher, René Fuchs   +3 more
doaj   +1 more source

Desempenho agronômico de videiras com e sem sintomas de viroses, e comparação molecular de isolados virais

Pesquisa Agropecuária Brasileira, 2015
Resumo: O objetivo deste trabalho foi avaliar os efeitos de viroses em videiras sintomáticas e assintomáticas sobre as variáveis agronômicas relacionadas ao vigor das plantas e à qualidade enológica da uva, e comparar os isolados virais obtidos nessas ...
Monique Bezerra Nascimento, Thor Vinícius Martins Fajardo, Marcelo Eiras, Ana Beatriz Costa Czermainski, Osmar Nickel, Gilvan Pio-Ribeiro   +5 more
doaj   +1 more source

In vitro propagation of Vitis vinifera L. cv. ‘Monastrell’

Electronic Journal of Biotechnology, 2017
Background: A protocol for the micropropagation of the grape (Vitis vinifera L.) cultivar ‘Monastrell’ was developed. Initial plant material was obtained from the sanitary selection of grapevine plants performed by real-time RT-PCR to confirm the absence
Tània San Pedro, Rosa Peiró, Joan Villanova, Antonio Olmos, Carmina Gisbert   +4 more
doaj   +1 more source

Occurrence of viruses and Xiphinema spp. in vineyards of the greek islands of Paros and Lemnos

Phytopathologia Mediterranea, 2001
A survey was carried out during 1997–2000 in order to determine the incidence of grapevine viruses and their associated nematode-vectors in Paros and Lemnos, the two main islands of the Aegean sea producing V.Q.P.R.D. wines.
Apostolos D. Avgelis, Emmanuel A. Tzortzakakis   +1 more
doaj   +1 more source

Incidence of virus infections in grapevines from Croatian collection plantations

Phytopathologia Mediterranea, 2011
Evaluation of the incidence of virus infections was conducted in two grapevine collection fields. The first was the National collection of Croatian native grapevine cultivars, situated at the “Jazbina” experimentation station in eastern Zagreb, where ...
Darko VONCINA, Divna BADURINA, Darko PREINER, Bogdan CVJETKOVIC, Edi MALETIC, Jasminka KAROGLAN KONTIC   +5 more
doaj   +1 more source

Survey for major viruses in commercial Vitis vinifera wine grapes in Ontario

Virology Journal, 2018
Background In recent years, the Ontario grape and wine industry has experienced outbreaks of viral diseases across the province. Little is known about the prevalence of viruses and viral diseases in Ontario.
Huogen Xiao, Mehdi Shabanian, Clayton Moore, Caihong Li, Baozhong Meng   +4 more
doaj   +1 more source

Somatic embryogenesis from seeds in a broad range of Vitis vinifera L. varieties: rescue of true-to-type virus-free plants

BMC Plant Biology, 2017
Background Somatic embryogenesis is the preferred method for cell to plant regeneration in Vitis vinifera L. However, low frequencies of plant embryo conversion are commonly found.
Tània San Pedro, Najet Gammoudi, Rosa Peiró, Antonio Olmos, Carmina Gisbert   +4 more
doaj   +1 more source

First report of grapevine fleck virus in vineyards of Bosnia and Herzegovina [PDF]

Journal of Plant Pathology, 2020
Ana Crnogorac, Mladen Gašpar, Salvatore Davino, Ana Mandić, Slavica Matić   +4 more
openaire   +3 more sources