Results 31 to 40 of about 240 (126)

Recovery trends and predictions of Fraser fir (Abies fraseri) dynamics in the Southern Appalachian Mountains [PDF]

Canadian Journal of Forest Research, 2017
The endemic Fraser fir (Abies fraseri (Pursh) Poir.) is found in only seven montane regions in the southern Appalachians above ca. 1500 m elevation. Due to widespread insect-caused mortality from the invasive balsam woolly adelgid (Adelges piceae Ratzeburg), as well as possible impacts from climate change and atmospheric pollution, the future of ...
Kaylor, S Douglas, Hughes, M. Joseph, Franklin, Jennifer A.   +2 more
openaire   +1 more source

Gas exchange parameters of 8-year-old Abies fraseri (Pursh) Poir. seedlings under different irrigation regimes

Turkish Journal of Agriculture - Food Science and Technology, 2022
Eight-year-old Abies fraseri seedlings were grown under different irrigation regimes to determine how drought stress might affect the seedlings in terms of gas exchange parameters. In this study, net photosynthesis (Anet), transpiration rate (E), stomatal conductance (gs), intercellular CO2 (Ci), Ci to ambient CO2 (Ca) concentration ratio (Ci/Ca ...
İsmail Koç, Pascal Nzokou
openaire   +3 more sources

Determinants of the Southern Range Limit of an Infamous North American Forest Defoliator

Journal of Biogeography, Volume 52, Issue 7, July 2025.
ABSTRACT Aim Predicting climate driven species range shifts requires knowledge of mechanisms limiting species fitness under various climatic conditions. The traditional approach of modelling ranges of herbivorous insects by fitting environmental niche models to occurrence records is generally incapable of differentiating direct effects of climate on ...
Andrew M. Liebhold, Eugene Luzader, Jacques Régnière   +2 more
wiley   +1 more source

Commodity risk assessment of Berberis thunbergii plants from the UK

EFSA Journal, Volume 23, Issue 6, June 2025.
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’. Taking into account the available scientific information, including the technical information provided by ...
EFSA Panel on Plant Health (PLH), Antonio Vicent Civera, Paula Baptista, Anna Berlin, Elisavet Chatzivassiliou, Jaime Cubero, Nik Cunniffe, Eduardo de la Peña, Nicolas Desneux, Francesco Di Serio, Anna Filipiak, Paolo Gonthier, Beata Hasiów‐Jaroszewska, Hervé Jactel, Blanca B. Landa, Lara Maistrello, David Makowski, Panagiotis Milonas, Nikos T. Papadopoulos, Hanna Susi, Dirk Jan van der Gaag, Jane Debode, Christophe Lacomme, Charles Manceau, Christer Sven Magnusson, Juan A. Navas‐Cortes, Christos Kritikos, Maria Kormpi, Dimitrios Papachristos, Chrysavgi Reppa, Antigoni Akrivou, Spyridon Antonatos, Despoina Beris, Olaf Mosbach Schulz, Monia Federica Lombardo, Ciro Gardi, Roel Potting   +36 more
wiley   +1 more source

HYBRIDIZATION RESULTS USING THE HYBRID Abies cilicica × Abies cephalonica

Acta Scientiarum Polonorum: Hortorum Cultus, 2014
Abies fraseri (FF) is a North American conifer which is crucial for growers of Christmas trees. This species suffers 100% mortality after infection of root rot caused by Phytophthora cinnamomi. The hybrid material A. cilicica × A. cephalonica (CZ) and A.
Jaroslav Kobliha, Petr Škorpík, Jan Stejskal, Pavel Češka   +3 more
doaj  

Commodity risk assessment of Alnus cordata and Alnus glutinosa specimen trees from the UK

EFSA Journal, Volume 23, Issue 4, April 2025.
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 the plant health risks posed by the following commodities: Alnus cordata and
EFSA Panel on Plant Health (PLH), Antonio Vicent Civera, Paula Baptista, Anna Berlin, Elisavet Chatzivassiliou, Jaime Cubero, Nik Cunniffe, Eduardo de la Peña, Nicolas Desneux, Francesco Di Serio, Anna Filipiak, Paolo Gonthier, Beata Hasiów‐Jaroszewska, Hervé Jactel, Blanca B. Landa, Lara Maistrello, David Makowski, Panagiotis Milonas, Nikos T. Papadopoulos, Hanna Susi, Dirk Jan van der Gaag, Jane Debode, Charles Manceau, Christer Sven Magnusson, Juan A. Navas‐Cortes, Christos Kritikos, Maria Kormpi, Dimitrios Papachristos, Chrysavgi Reppa, Olaf Mosbach Schulz, Ciro Gardi, Monia Federica Lombardo, Antigoni Akrivou, Spyridon Antonatos, Despoina Beris, Roel Potting   +35 more
wiley   +1 more source

Armored Scale (Hemiptera: Diaspididae) Pests onAbies fraseri(Pinaceae) Christmas Trees Imported into Florida [PDF]

Florida Entomologist, 2016
Summary Adventive and potentially pestiferous species are a constant threat to the agriculture of Florida. Fiorinia externa Ferris (Hemiptera: Diaspididae), the elongate hemlock scale, is a recent but persistently intercepted pest of Fraser fir and related species grown out-of-state and imported annually into Florida as cut Christmas trees.
openaire   +2 more sources

Commodity risk assessment of Populus alba, Populus nigra and Populus tremula plants from the UK

EFSA Journal, Volume 23, Issue 3, March 2025.
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), Antonio Vicent Civera, Paula Baptista, Anna Berlin, Elisavet Chatzivassiliou, Jaime Cubero, Nik Cunniffe, Eduardo de la Peña, Nicolas Desneux, Francesco Di Serio, Anna Filipiak, Beata Hasiów‐Jaroszewska, Hervé Jactel, Blanca B. Landa, Lara Maistrello, David Makowski, Panagiotis Milonas, Nikos Papadopoulos, Roel Potting, Hanna Susi, Dirk Jan van Der Gaag, Andrea Battisti, Claude Bragard, Christer Sven Magnusson, Hugo Mas, Daniel Rigling, Massimo Faccoli, Alžběta Mikulová, Fabio Stergulc, Eugen Christoph, Olaf Mosbach‐Schulz, Franz Streissl, Paolo Gonthier   +32 more
wiley   +1 more source

Multiple Phytophthora species associated with declining wild olive trees in Sardinia, Italy

Plant Pathology, Volume 74, Issue 2, Page 465-475, February 2025.
This study provides new insights into the role of multiple Phytophthora species associated with widespread and severe decline of wild olive trees in Sardinia (Italy). Abstract Wild olive represents one of the most iconic woody plants in the Mediterranean Basin.
Antonio Deidda, Gabriele G. A. Satta, Andrea Brandano, Camilla Morittu, Davide Mureddu, Bruno Scanu   +5 more
wiley   +1 more source

Growth, Biomass, and Nitrogen Use Efficiency of Containerized Fraser Fir (Abies fraseri) as Related to Irrigation and Nitrogen Fertilization [PDF]

HortScience, 2010
Growth and nutrient uptake of containerized fraser fir ( Abies fraseri) seedlings in response to irrigation and fertilization was investigated for 2 years in a greenhouse experiment. Height and stem diameter growth increased 12% to 35% and 4% to 32%, respectively, with increased irrigation ...
Pascal Nzokou, Bert M. Cregg
openaire   +1 more source