Results 41 to 50 of about 1,409 (170)

Gibberellic acid inhibitors control height growth and cone production in Abies fraseri

open access: yesScandinavian Journal of Forest Research, 2016
Precocious cone production in Fraser fir (Abies fraseri) results in substantial economic losses for Christmas tree growers in the United States. Cone removal often represents the second highest labor expense, after shearing. Gibberellins (GAs) regulate both reproductive development and shoot elongation, and are used to enhance cone production in ...
Crain, Brent A., Cregg, Bert M.
openaire   +1 more source

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

open access: yesEFSA 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)   +35 more
wiley   +1 more source

An ecological study of the heath balds of the Great Smoky mountains [PDF]

open access: yes, 1930
The inhabitants of the Great Smoky mountains usually refer to the heath communities under consideration as slicks or balds. The former name is derived from the smooth appearance they present on the ridges and mountain tops when viewed from a distance
Cain, Stanley A.
core   +1 more source

Induksi Embrio Somatik Shorea Pinanga Scheff. Pada Kondisi Fisik Media Berbeda [PDF]

open access: yes, 2013
Shorea pinanga (Scheff.) is a member of Dipterocarpaceae which has an important role both as a forest timber and also non forest timber product (tengkawang).
Yelnititis, Y. (Yelnititis)
core   +1 more source

Ruotsinkylä forskningsområde [PDF]

open access: yes, 1998
taiteltu ...
Turunen, Anne
core  

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

open access: yesEFSA 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)   +32 more
wiley   +1 more source

HYBRIDIZATION RESULTS USING THE HYBRID Abies cilicica × Abies cephalonica

open access: yesActa 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   +3 more
doaj  

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

open access: yesPlant 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   +5 more
wiley   +1 more source

Comparative analysis of structures of essential oils of some kind of tree species abies [PDF]

open access: yes, 2013
Conditions of the chromatography analysis of essential oils providing an exit of all components with the contents over 0.01% are selected up. Essential oil from five kinds of the fir growing in identical climatic and soil environments is received by the ...
Klimchik, G. Ya.   +2 more
core  

Optimization of seasonality and mother plant nutrition for vegetative propagation of Pinus pinaster Ait [PDF]

open access: yes, 2014
Due to the high economic importance of Pinus pinaster Ait., there is considerable interest in developing, improving and extending the use of its families for mass clonal propagation and in breeding programmes.
Alía, Ricardo   +6 more
core  

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