Results 11 to 20 of about 935 (176)

Commodity risk assessment of Robinia pseudoacacia plants from Turkey. [PDF]

open access: yesEFSA J, 2021
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation EU/2018/2019 as ‘High risk plants, plant products and other objects’.
EFSA Panel on Plant Health (PLH)   +24 more
europepmc   +2 more sources

Multiple, Single Trait GWAS and Supervised Machine Learning Reveal the Genetic Architecture of Fraxinus excelsior Tolerance to Ash Dieback in Europe. [PDF]

open access: yesPlant Cell Environ
ABSTRACT Common ash (Fraxinus excelsior) is under intensive attack from the invasive alien pathogenic fungus Hymenoscyphus fraxineus, causing ash dieback at epidemic levels throughout Europe. Previous studies have found significant genetic variation among genotypes in ash dieback susceptibility and that host phenology, such as autumn yellowing, is ...
Doonan JM   +19 more
europepmc   +2 more sources

Commodity risk assessment of Betula pendula and Betula pubescens plants from the UK. [PDF]

open access: yesEFSA J
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Betula pendula and B.
EFSA Panel on Plant Health (PLH)   +30 more
europepmc   +2 more sources

Commodity risk assessment of Quercus robur plants from the UK

open access: yesEFSA Journal, Volume 21, Issue 10, October 2023., 2023
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High‐risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Quercus robur imported from the UK as:
EFSA Panel on Plant Health (PLH)   +29 more
wiley   +1 more source

The introduction of Hymenoscyphus fraxineus to Northern Ireland and the subsequent development of ash dieback

open access: yesForest Pathology, Volume 53, Issue 1, February 2023., 2023
Abstract Ash dieback caused by Hymenoscyphus fraxineus was first recorded in Northern Ireland (NI) in November 2012. The disease was observed only on recently (<6 years) planted trees. An in‐depth case study in 2015 of an ash plantation with severe symptoms indicated that many of the trees were infected at the time of planting.
Emma Baxter   +4 more
wiley   +1 more source

The rooting ability of in vitro shoot cultures established from a UK collection of the common ash (Fraxinus excelsior L.) and their ex vitro survival

open access: yesAnnals of Forest Science, 2022
Key message Shoot cultures from a population of British ash trees (Fraxinus excelsior L.) were assessed for their ability to form roots in vitro and to grow in nursery conditions. Most of the plants survived whether they had formed roots or not, but this
Trevor Fenning   +5 more
doaj   +1 more source

Commodity risk assessment of <i>Populus alba</i>, <i>Populus nigra</i> and <i>Populus tremula</i> plants from the UK. [PDF]

open access: yesEFSA J
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Populus alba, Populus nigra and ...
EFSA Panel on Plant Health (PLH)   +32 more
europepmc   +2 more sources

Chalara fraxinea is an invasive pathogen in France [PDF]

open access: yesEuropean Journal of Plant Pathology, 2011
Decline induced by Chalara fraxinea is an emerging disease that severely affects ash stands in Europe. The disease appears to have an invasive spread from East to West of Europe in the last decade. The teleomorphic stage, Hymenoscyphus pseudoalbidus, that occurs as apothecia on ash rachis in the litter was recently described.
Husson, Claude   +6 more
openaire   +3 more sources

First report of Hymenoscyphus fraxineus causing ash dieback in Spain

open access: yes, 2021
New Disease Reports, Volume 44, Issue 2, October–December 2021.
S. Stroheker   +2 more
wiley   +1 more source

Vieras- ja tulokaslajit tautien aiheuttajina metsäpuilla

open access: yesMetsätieteen aikakauskirja, 2010
Suomeen kulkeutui 1990-luvun alussa Phytophthora cactorum -mikrobi, jota voidaan kutsua jo vakiintuneeksi vieraslajiksi. Sata vuotta aiemmin Eurooppaan levisi strobusmäntyjen mukana Cronartium ribicola, joka aiheuttaa valkomännyn tervasroson 5 ...
Arja Lilja   +6 more
doaj   +1 more source

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