Article
Entomology
Crescenza Dongiovanni, Michele Di Carolo, Giulio Fumarola, Daniele Tauro, Biagio Tedone, Simona Ancona, Valentina Palmisano, Mauro Carrieri, Vincenzo Cavalieri
Summary: This study evaluated the effectiveness of sticky traps in capturing spittlebugs in different woody crops and found that yellow sticky traps were highly attractive to spittlebugs. The integration of sweep nets and sticky traps can provide an accurate estimation of the presence and abundance of spittlebugs, with each sampling method having advantages in different stages of the adult season.
Review
Agriculture, Multidisciplinary
Maria Cecilia Perez-Piza, Gustavo G. Striker, Sebastian A. Stenglein
Summary: This article reviews the information on fungal seed-borne diseases on main pasture grasses and legumes. These diseases have negative impacts on biomass production, forage quality, and plant persistence. The article identifies the main fungal pathogens associated with forage seeds and discusses their effects on pastures. It also suggests areas for future research.
JOURNAL OF PLANT DISEASES AND PROTECTION
(2023)
Article
Agronomy
John G. Howieson, Robert J. Harrison, Ron J. Yates, Belinda Hackney, Angelo Loi, Brad J. Nutt
Summary: The patterns and extent of hard seed breakdown of dormant seeds and pods of annual forage legumes buried in the soil in February varied across different accessions. However, some cultivars showed reproducible patterns across all sites, while others showed desirable patterns only in certain regions of Australia. The experiments demonstrated a pragmatic approach for selecting forage legume accessions suited for evaluation in a summer sowing program.
GRASS AND FORAGE SCIENCE
(2021)
Article
Agronomy
Robert J. Harrison, John G. Howieson, Ron J. Yates, Bradley J. Nutt
Summary: The storage time of seeds significantly affects the pattern of hard seed breakdown in annual legumes, with stored seeds showing a substantial reduction in hard seed content after exposure, while fresh seeds remain mostly unaffected.
GRASS AND FORAGE SCIENCE
(2021)
Article
Parasitology
Karoline Silva da Cruz, Mariane Albuquerque Lima Ribeiro, Fernanda Portela Madeira, Daniela da Silva Paixao, Adila Costa de Jesus, Luis Marcelo Aranha Camargo, Joao Aristeu da Rosa, Jader de Oliveira, Paulo Sergio Bernarde, Dionatas Ulises de Oliveira Meneguetti
Summary: In this study, six triatomines were found in unusual public spaces in Acre, Brazil (Rio Branco and Cruzeiro do Sul), including a penitentiary, a church, a school, a university, a hospital, and a health center. Of these, five were adult insects (three carrying Trypanosoma cruzi) and one was a nymph. This is the first report of triatomine occurrence in schools or churches. These findings are important for implementing surveillance strategies and raising awareness about potential changes in Chagas disease transmission dynamics.
REVISTA DA SOCIEDADE BRASILEIRA DE MEDICINA TROPICAL
(2023)
Article
Agronomy
Malik Kamlesh, K. V. Raghavendra, Manoj Kumar
Summary: Through seed treatment and pesticide spraying, the population of Bemisia tabaci and the rate of viral infection were effectively reduced, resulting in the highest yield of seed potatoes and cost:benefit ratio.
Article
Plant Sciences
Segundo Fuentes, Adrian J. Gibbs, Ian P. Adams, Calum Wilson, Marleen Botermans, Adrian Fox, Jan Kreuze, Neil Boonham, Monica A. Kehoe, Roger A. C. Jones
Summary: The study revealed phylogenetic differentiation among PVA isolates from different geographical regions, as well as identified potential biosecurity risks.
Article
Agronomy
Roger A. C. Jones, Neil Boonham, Ian P. Adams, Adrian Fox
Summary: Preservation of historical virus isolates provides valuable information, and utilizing high-throughput sequencing technology helps clarify virus taxonomy and enhance understanding of virus ecology and evolution.
Review
Plant Sciences
Roger A. C. Jones
Summary: The global virus disease pandemics and epidemics are increasingly threatening staple food crops and their quality, exacerbated by the challenges in managing these diseases due to global warming. The historical and recent information provided in the review highlights the wide distribution and impact of these diseases on food security, calling for effective management strategies.
Article
Virology
Segundo Fuentes, Adrian J. Gibbs, Mohammad Hajizadeh, Ana Perez, Ian P. Adams, Cesar E. Fribourg, Jan Kreuze, Adrian Fox, Neil Boonham, Roger A. C. Jones
Summary: PVX virus is a global potato disease originating from Peru. Eighteen recombinants were identified, with 17 from Peru. The study showed the transmission pathways of PVX isolates in different geographical regions.
Article
Plant Sciences
Roger A. C. Jones, Martin J. Barbetti, Adrian Fox, Ian P. Adams
Summary: The study revealed that breeding issues caused by Potato Virus Y (PVY) can be solved through genetic analysis, and the existence of the putative gene Nd, which was previously proposed, has been ruled out. Additionally, the phylogenetic analysis placed isolate PP within the same minor phylogroup PVYO3 subclade as KIP1, showing the most basal divergence within the overall major phylogroup PVYO.
Article
Plant Sciences
Monica A. Kehoe, Craig Webster, Cuiping Wang, Roger A. C. Jones, Brenda A. Coutts
Summary: Cucumber green mottle mosaic virus (CGMMV) was detected in watermelon crops in Australia for the first time, and further investigations revealed its presence in cucumber, rockmelon, honeydew melon, and watermelon crops. Genetic analysis showed limited diversity of CGMMV within Australia, suggesting a recent single incursion.
AUSTRALASIAN PLANT PATHOLOGY
(2022)
Article
Plant Sciences
Segundo Fuentes, Adrian J. Gibbs, Ian P. Adams, Mohammad Hajizadeh, Jan Kreuze, Adrian Fox, Arnaud G. Blouin, Roger A. C. Jones
Summary: Potato virus V (PVV) originated in the Andes region and only a few isolates spread to other regions. PVV evolved rapidly and shares similar ecological characteristics with Potato virus Y (PVY). Through phylogenetic reconstruction and dating calculations, PVV is estimated to have appeared around 29 BCE and diversified after the potato late blight pandemic in 1853 CE.
Article
Agronomy
Aimee Fowkes, Ian P. Adams, Roger A. C. Jones, Adrian Fox, Sam McGreig, Neil Boonham
Summary: The study conducted genome sequencing analysis of Tomato black ring virus and beet ringspot virus, revealing frequent recombination events among the isolates. Sequencing historical isolates provided valuable data for understanding the evolutionary history of these viruses.
Review
Agronomy
Roger A. C. Jones
Summary: The spread of virus infection within a mixed plant species population has important implications for both the economy and the environment. Previous research has shown that virus infection can alter the balance of plant species, weaken the ability of infected plants to compete, and reduce seed production, thereby affecting their ability to regenerate. Virus infection also suppresses the growth of more sensitive species when competing with other infected species. Effective management of virus diseases is crucial for maintaining an optimal balance of pasture species and delaying pasture decline from weed invasion in mixed species pastures, which play a significant role in regenerative agriculture.
Article
Agronomy
Roger A. C. Jones, Ines Vazquez-Iglesias, Mohammad Hajizadeh, Samuel McGreig, Adrian Fox, Adrian J. Gibbs
Summary: This study analyzed the sequences of Wheat streak mosaic tritimovirus (WSMV) isolates from Australia and found a close correlation between the CP and CO sequences. The phylogenetic analysis revealed four well-supported phylogroups and the presence of a subcluster formed by Australian and South American sequences. The North American and Australian populations showed recent population imbalance compared to other regions. The research also shed light on the origin and spread of WSMV and highlighted the potential biosecurity concerns posed by the future spread of additional WSMV phylogroups and interphylogroup recombinants.
Article
Plant Sciences
Adrian Fox, Adrian J. Gibbs, Aimee R. Fowkes, Hollie Pufal, Sam McGreig, Roger A. C. Jones, Neil Boonham, Ian P. Adams
Summary: The Apiaceae family is an important group of herbaceous plants that includes crops, herbs, and weeds. This study analyzed 10 preserved historical or recent virus samples from apiaceous plants collected in the UK and Australia. The researchers obtained new genomic sequences and found distinct lineages within the apiaceous potyviruses. They also discovered new records of viruses in coriander, carrots, and parsley. These findings provide insights into the evolution and diversity of apiaceous plant viruses.
Article
Virology
Roger A. C. Jones, Ines Vazquez-Iglesias, Sam McGreig, Adrian Fox, Adrian J. Gibbs
Summary: High Plains wheat mosaic virus (HPWMoV) is a serious disease affecting wheat in major wheat-growing regions worldwide. This study reports the complete or partial genomic sequences of five HPWMoV isolates from Australian wheat samples. Phylogenetic analysis revealed the presence of two lineages, L1 and L2, with L1 containing isolates from the North American Great Plains Region and L2 consisting of isolates from Australia and the Great Plains Region. Recombination in the nucleocapsid gene was unexpectedly observed in a quarter of the L2B isolates. The study also identified similarities between HPWMoV and other emaraviruses in certain genomic segments.
Article
Virology
Serife Topkaya, Ali Celik, Adyatma Irawan Santosa, Roger A. C. Jones
Summary: In 2020, 264 potato field samples were collected from Bolu, Afyon, Kayseri, and Nigde provinces in Turkey. Potato virus S (PVS) was detected in 35 samples using RT-PCR tests. Phylogenetic analysis revealed that the PVS isolates in Turkey belonged to three phylogroups (PVSI, PVSII, and PVSIII), with considerable genetic variation within PVSI and PVSII. PVSII, which spreads easily and causes more severe symptoms, poses a biosecurity threat to countries without it.
Article
Plant Sciences
John Fosu-Nyarko, Ian P. Adams, Michael G. K. Jones, Adrian Fox, Roger A. C. Jones
Summary: This study compared the complete genomic sequences of five historical Western Australian isolates of subterranean clover mottle virus (SCMoV) from 1989-2000, as well as an infectious clone of its 1989 isolate. Sanger Sequencing (SS) and High Throughput Sequencing (HTS) were used to obtain these genomes. The results showed that the sequences obtained from four isolates differed by only 18-59 nucleotides, which could be attributed to different sequencing methods, the time each isolate was host passaged, or a combination of both factors. Additionally, the study revealed that the ORF1 gene region was the most variable, and the phylogenetic tree constructed with ORF1 sequences showed grouping of isolates based on the severity of symptoms in subterranean clover, indicating a possible role of the ORF1-encoded P1 protein in symptom determination. Furthermore, the presence of a satellite RNA was found in all SCMoV genomes obtained by HTS but not in those derived by SS.
JOURNAL OF PLANT PATHOLOGY
(2022)
Article
Plant Sciences
Roger A. C. Jones, Aimee R. Fowkes, Sam McGreig, Adrian Fox, Ian P. Adams
Summary: Although the beet ringspot virus (BRSV) was found in the pollen of potato flowers, there is no evidence of its transmission through true seeds.
JOURNAL OF PLANT PATHOLOGY
(2022)
