Results 81 to 90 of about 1,118,473 (159)

Molecular characterization of an almond isolate of Prune dwarf virus in Tunisia: putative recombination breakpoints in the partial sequences of the coat protein-encoding gene in isolates from different geographic origin

open access: yesPhytopathologia Mediterranea, 2010
Recombination is an important driving force in evolution. To investigate this evolutionary process in Prune dwarf virus (PDV), 31 accessions retrieved from international databases, supplemented by one Tunisian isolate described here, were analyzed.
M. Boulila
doaj   +1 more source

VIRAL TESTING USING BIOLOGICAL AND SEROLOGICAL ASSAY FOR MOST IMPORTANT VIRUSES TO PLUM [PDF]

open access: yesFruit Growing Research, 2014
Establishing an accurate diagnosis in terms of viral for propagation of fruit tree is very important, it represents the most effective method of protection against viruses.
Catita Plopa, Silvia Preda
doaj  

Quantitative analysis of the interaction of heterologous viruses with Plum pox virus in C5 HoneySweet transgenic plums

open access: yesJournal of Integrative Agriculture, 2019
Stone fruits are an important crop in most parts of the world and are heavily challenged by several viruses including Plum pox virus (PPV), Prune dwarf virus (PDV), Prunus necrotic ringspot virus (PNRSV), and Apple chlorotic leaf spot virus (ACLSV).
Khushwant Singh   +2 more
doaj   +1 more source

Barley yellow dwarf virus infectivity of cereal aphids trapped at two sites in Victoria

open access: yes, 1981
Alate cereal aphids, Rhopalosiphum padi, R, maidis and Macrosiphum miscanthi avenae, caught in suction traps at Horsham and Burnley for two successive years (1977-78), were tested individually for infectivity with barley yellow dwarf virus (BYDV).
Plumb, R. T., Smith, P. R.
core   +1 more source

Structure/activity studies on aphid alarm pheromone derivatives and their field use against transmission of barley yellow dwarf virus.

open access: yes, 1988
Derivatives produced by 1,4‐cycloaddition reactions between acetylenecarboxylic acid esters and the aphid alarm pheromone, (E)‐β‐farnesene, and analogues in which other features of the pheromone molecule were modified, were tested for activity against ...
Plumb, R. T.   +10 more
core   +1 more source

Effect of virus infection on the fruit quality of sour cherry cultivar Łutówka

open access: yesActa Scientiarum Polonorum: Hortorum Cultus
A survey was carried out on a commercial sour cherry fruit orchard located in Lublin province in Poland to determine the influence of viruses on the fruit quality of sour cherry cv. Łutówka. Leaf samples from trees of sour cherry cv. Łutówka were tested
Elżbieta Paduch-Cichal   +8 more
doaj   +1 more source

Barley yellow dwarf virus: a global problem

open access: yes, 1983
The factors affecting the epidemiology of barley yellow dwarf virus, the most widespread disease of small grain cereals, which is transmitted by aphids, are reviewed and discussed with emphasis on the progress made and areas in which effort is still ...
Plumb, R. T.
core  

Virus žbunaste kržljavosti maline (Raspberry bushy dwarf virus) – patogen vinove loze u Srbiji

open access: yes, 2015
During a field survey in 2005 in vineyards and grapevine nurseries at localities in central Serbia, a few plants with unusual virus-like symptoms were observed. Leaf samples were analyzed by DAS-ELISA for the presence of nine viruses.
Jevremovic, Darko, Paunovic, Svetlana
core  

The complete genome sequence of two isolates of Southern rice black-streaked dwarf virus, a new member of the genus Fijivirus

open access: yes, 2010
The nucleotide sequences of genomic segments S1-S8 and S1-S6, respectively, of the Hainan (HN) and Guangdong (GD) isolates of a rice-infecting fijivirus were determined, completing the genome sequences of these isolates.
Zhang, H-M.   +11 more
core   +1 more source

A single copy of a virus-derived transgene encoding hairpin RNA gives immunity to barley yellow dwarf virus

open access: yes, 2000
Barley yellow dwarf virus-PAV (BYDV-PAV) is the most serious and widespread virus of cereals worldwide. Natural resistance genes against this luteovirus give inadequate control, and previous attempts to introduce synthetic resistance into cereals have ...
Waterhouse, Peter M.   +5 more
core   +1 more source

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