Results 1 to 10 of about 768 (78)

The Avocado Sunblotch Viroid: An Invisible Foe of Avocado

Viruses, 2019
This review collects information about the history of avocado and the economically important disease, avocado sunblotch, caused by the avocado sunblotch viroid (ASBVd).
José Ramón Saucedo Carabez, Daniel Téliz Ortiz, Moisés Roberto Vallejo Pérez, Hugo Beltrán Peña   +3 more
doaj   +3 more sources

Avocado rhizosphere community profiling: white root rot and its impact on microbial composition [PDF]

Frontiers in Microbiology
IntroductionThe avocado rhizosphere supports diverse microbial communities essential for plant health and defence against pathogens. This study aimed to investigate the impact of Dematophora necatrix, the causal agent of white root rot (WRR), on the ...
Phinda Magagula, Phinda Magagula, Velushka Swart, Velushka Swart, Arista Fourie, Alicia Vermeulen, Johannes Harold Nelson, Johannes Harold Nelson, Zelda van Rooyen, Noëlani van den Berg, Noëlani van den Berg   +10 more
doaj   +2 more sources

Global transcriptomic analysis in avocado nursery trees reveals differential gene expression during asymptomatic infection by avocado sunblotch viroid (ASBVd)

Virus Research
Avocado sunblotch viroid (ASBVd) is the type species of the family Avsunviroidae and the causal agent of avocado sunblotch disease. The disease is characterised by the presence of chlorotic lesions on avocado fruit, leaves and/or stems.
M. Joubert, N. van den Berg, J. Theron, V. Swart   +3 more
doaj   +3 more sources

Genomic insights into Ceratobasidium sp. associated with vascular streak dieback of woody ornamentals in the United States using a metagenomic sequencing approach [PDF]

Microbiology Spectrum
Woody ornamentals are integral to urban landscapes and play important roles in habitat restoration and ecological conservation, yet their national and international trade facilitates the spread of plant diseases with significant ecological and economic ...
Kassaye H. Belay, Sahar Abdelrazek, Sehgeet Kaur, Reza Mazloom, Devin Bily, Tashi Gyatso, Farhat A. Avin, John Bonkowski, Prabha Liyanapathiranage, Lina Rodriguez Salamanca, Lenwood S. Heath, Fulya Baysal-Gurel, Boris A. Vinatzer   +12 more
doaj   +2 more sources

Sampling Guidelines and Recommendations for Submitting Samples for Diagnosing Laurel Wilt in Avocado Trees (Persea americana L.)

EDIS, 2020
Laurel wilt (LW) is a vascular disease caused by a fungal pathogen transmitted to avocado trees by several ambrosia beetle species and through root grafts among adjacent avocado trees.
Jonathan Henry Crane, Romina Gazis, Jeff Wasielewski, Daniel Carrillo, Bruce Schaffer, Fredy Ballen, Edward A. Evans   +6 more
doaj   +5 more sources

Rational design of a survey protocol for avocado sunblotch viroid in commercial orchards to demonstrate pest freedom.

PLoS ONE, 2023
Avocado sunblotch viroid (ASBVd) is a subcellular pathogen of avocado that reduces yield from a tree, diminishes the appearance of the fruit by causing unsightly scarring and impedes trade because of quarantine conditions that are imposed to prevent ...
D B Bonnéry, L-S Pretorius, A E C Jooste, A D W Geering, C A Gilligan   +4 more
doaj   +2 more sources

Shifts in the rhizosphere microbiome and exudation profile of avocado (Persea americana Mill.) during infection by Phytophthora cinnamomi and in presence of a biocontrol bacterial strain

CABI Agriculture and Bioscience, 2023
Background Rhizosphere microbiomes are fundamental for plant health, development, and productivity, but can be altered by the incidence of soil-borne pathogens.
Frédérique Reverchon, Mariel García-Meléndez, Edgar Guevara-Avendaño, Oscar Mora-Chávez, Itzel A. Solís-García, Wesley Dáttilo, José A. Guererro-Analco, Alfonso Méndez-Bravo, Juan L. Monribot-Villanueva, Violeta Patiño-Conde, Fernando Pineda-García, Eria A. Rebollar   +11 more
doaj   +1 more source

Pest categorisation of the avocado sunblotch viroid

EFSA Journal, 2023
The EFSA Panel on Plant Health conducted a pest categorisation of the avocado sunblotch viroid (ASBVd) for the EU. The identity of ASBVd, a member of the genus Avsunviroid (family Avsunviroidae) is clearly defined and detection and identification methods
EFSA Panel on Plant Health (PLH), Claude Bragard, Paula Baptista, Elisavet Chatzivassiliou, Francesco Di Serio, Paolo Gonthier, Josep Anton Jaques Miret, Annemarie Fejer Justesen, Alan MacLeod, Christer Sven Magnusson, Panagiotis Milonas, Juan A Navas‐Cortes, Stephen Parnell, Roel Potting, Emilio Stefani, Hans‐Hermann Thulke, Wopke Van der Werf, Antonio Vicent Civera, Jonathan Yuen, Lucia Zappalà, Quirico Migheli, Irene Vloutoglou, Andrea Maiorano, Marco Pautasso, Philippe Lucien Reignault   +24 more
doaj   +1 more source

Emerging and re-emerging fungus and oomycete soil-borne plant diseases in Italy

Phytopathologia Mediterranea, 2020
A disease is recognized as emerging if it is new, it occurs in a new host, there is an unexpected outbreak, its economic importance increases, if it attracts public opinion and the scientific community regardless of economic importance, or if it appears ...
Santa Olga CACCIOLA, Maria Lodovica GULLINO   +1 more
doaj   +1 more source

Effects of Silicon Amendment on Soilborne and Fruit Diseases of Avocado

Plants, 2017
The effects of silicon (Si) amendment have been studied in several plant/pathogen interactions; however, studies in horticultural tree crops are limited.
Elizabeth K. Dann, Duy P. Le
doaj   +1 more source