Viroid diseases in pome and stone fruit trees and Koch's postulates: A critical assessment

F Di Serio, S Ambrós, T Sano, R Flores, B Navarro - Viruses, 2018 - mdpi.com
Composed of a naked circular non-protein-coding genomic RNA, counting only a few
hundred nucleotides, viroids—the smallest infectious agents known so far—are able to …

Thermotherapy followed by shoot tip cryotherapy eradicates latent viruses and apple hammerhead viroid from in vitro apple rootstocks

JC Bettoni, G Fazio, L Carvalho Costa… - Plants, 2022 - mdpi.com
Virus and viroid-free apple rootstocks are necessary for large-scale nursery propagation of
apple (Malus domestica) trees. Apple stem grooving virus (ASGV) and Apple chlorotic leaf …

A bushel of viruses: Identification of seventeen novel putative viruses by RNA-seq in six apple trees

AA Wright, AR Cross, SJ Harper - PLoS One, 2020 - journals.plos.org
Apple decline in Washington state has been increasing in incidence, particularly on
Honeycrisp trees grown on G. 935 rootstock. In this disease the trees exhibit dieback with …

Elimination of Solanum nigrum ilarvirus 1 and Apple hammerhead viroid from apple cultivars using antivirals ribavirin, rimantadine, and zidovudine

J Sedlák, J Přibylová, I Koloňuk, J Špak, O Lenz… - Viruses, 2023 - mdpi.com
Apple hammerhead viroid (AHVd) was detected in the apple cultivar 'Šampion'and in mixed
infection with Solanum nigrum ilarvirus 1 (SnIV-1) in the cultivars 'Selena'and 'Jonagored …

Viruses of apple are seedborne but likely not vertically transmitted

A Wunsch, B Hoff, MM Sazo, J van Zoeren, KH Lamour… - Viruses, 2024 - mdpi.com
Many viruses occur in apple (Malus domestica (Borkh.)), but no information is available on
their seed transmissibility. Here, we report that six viruses infecting apple trees, namely …

Apple hammerhead viroid-like RNA is a bona fide viroid: Autonomous replication and structural features support its inclusion as a new member in the genus …

P Serra, A Messmer, D Sanderson, D James, R Flores - Virus research, 2018 - Elsevier
Apple hammerhead viroid-like RNA (AHVd RNA) has been reported in different apple
cultivars and geographic regions and, considering the presence of hammerhead ribozymes …

First detection and molecular characterization of Apple stem grooving virus, apple chlorotic leaf spot virus, and apple hammerhead viroid in loquat in Spain

C Canales, F Morán, A Olmos, AB Ruiz-García - Plants, 2021 - mdpi.com
Loquat (Eriobotrya japonica) is an important crop in Spain. To date, only one viral species,
apple stem pitting virus (ASPV), has been detected in Spanish loquat orchards. In this study …

Diversity of three bunya-like viruses infecting apple

AA Wright, SA Szostek, E Beaver-Kanuya, SJ Harper - Archives of virology, 2018 - Springer
High-throughput sequencing of two trees with apple decline revealed the presence of three
bunya-like viruses: apple rubbery wood-associated viruses 1 and 2 (ARWaV-1, ARWaV-2) …

Detection of Apple hammerhead viroid, Apple Luteovirus 1 and Citrus Concave gum-associated virus in apple propagation materials and orchards in the Czech …

E Várallyay, J Přibylová, ZN Galbacs, A Jahan, T Varga… - Viruses, 2022 - mdpi.com
Grafting cultivars onto rootstocks is a widely used practice by the apple industry
predominantly aimed at faster fruit bearing. Using high-throughput sequencing, we revealed …

First report of apple hammerhead viroid in the United States, Japan, Italy, Spain, and New Zealand

SA Szostek, AA Wright, SJ Harper - Plant Disease, 2018 - Am Phytopath Society
In June of 2017, a 'Honeycrisp'apple (Malus pumila Mill.) cultivar from central Washington
exhibiting shoot decline and dieback symptoms was submitted for diagnosis to the …