Results 21 to 30 of about 13,014 (219)

Scientific Opinion on comments provided by Portugal on the phytosanitary risk associated with Pinus pinea for the spread of pine wood nematode [PDF]

open access: yesEFSA Journal, 2013
Following a request from European Commission, the PLH Panel examined the comments of the Portuguese plant health authorities on a previous EFSA opinion with regard to pine wood nematode (PWN) and Pinus pinea and a report on PWN surveys in Portugal ...
EFSA Panel on Plant Health (PLH)
doaj   +1 more source

Potential control of forest diseases by solutions of chitosan oligomers, propolis and nanosilver [PDF]

open access: yes, 2017
Producción CientíficaThere is a growing necessity to replace chemical agents with ecofriendly materials, arising from the impact on the environment and/or human health, which calls for the design of new broad-spectrum fungicides.
Díez Casero, Julio Javier   +5 more
core   +1 more source

Impact of location and forestry conditions on some physical and mechanical properties of northern Tunisian Pinus pinea L. wood [PDF]

open access: yes, 2015
Pinea pines have been used and cultivated for their edible pine nuts since prehistoric times. More recently, Pinus pinea L. has been introduced as an ornamental tree in Mediterranean regions, and is now often found in city parks and gardens.
Candelier, Kévin   +2 more
core   +1 more source

Comparison of Pruning Regimes for Stone Pine (Pinus pinea L.) Using a Functional- Structural Plant Model [PDF]

open access: yes, 2012
Functional-Structural Plant Models (FSPM) are becoming important tools for modeling the structure and growth of plants, including complex organisms like trees.
Almeida Ribeiro, Nuno   +2 more
core   +1 more source

Ageing of resin from Pinus species assessed by infrared spectroscopy [PDF]

open access: yes, 2016
Resins obtained from Pinus genus species have been widely used in very different fields throughout history. As soon as the resins are secreted, molecular changes start altering their chemical, mechanical and optical properties.
Beltran Sanchidrian, Victòria   +3 more
core   +2 more sources

Aromatic Plants in Eurasian Blue Tit Nests: The ‘Nest [PDF]

open access: yes, 2012
The ‘Nest Protection Hypothesis’ suggests that some birds add aromatic plants to their nests to repel or kill ectoparasites. This behavior has been described for several species, including the Eurasian Blue Tit (Cyanistes caeruleus).
Belo, A.D.F.   +2 more
core   +1 more source

Determination of differences in morphology between sapwood and heartwood cells of Pinus pinea and Robinia pseudoacacia

open access: yesTurkish Journal of Forestry, 2015
In this study, the differences between sapwood and heartwood in fiber morphology on the samples prepared from Pinus pinea and Robinia pseudoacacia were investigated. For this aim, cell length, cell width, lumen width, wall thicknesses were measured.
Ferhat ÖZDEMİR   +3 more
doaj   +1 more source

Chemical Characterization and Bioactivity of Commercial Essential Oils and Hydrolates Obtained from Portuguese Forest Logging and Thinning

open access: yesMolecules, 2022
Essential oils (EOs) and hydrolates (Hds) are natural sources of biologically active ingredients with broad applications in the cosmetic industry. In this study, nationally produced (mainland Portugal and Azores archipelago) EOs (11) and Hds (7) obtained
Ana Ruas   +10 more
doaj   +1 more source

Influence of umbrella pine (Pinus pinea L.) stand type and tree characteristics on cone production [PDF]

open access: yes, 2016
Most umbrella pine (Pinus pinea L.) stands are managed as agroforestry systems, whose main production is fruit, due to the edible and highly nutritious kernels, and are frequently associated to natural or seeded pastures and grazing.
Afonso, Anabela   +3 more
core   +1 more source

Caractérisation d’un périmètre de reboisement de pinède en vue de proposition des essences les plus appropriées, cas du Jbel Zemzem (Nord-ouest, Maroc)

open access: yesRevue Nature et Technologie, 2022
La dégradation accélérée des forêts est un défi majeur pour les gestionnaires. Le reboisement constitue alors une solution importante pour l’amélioration des services écosystémiques voire la survie des écosystèmes.
Mariem BEN-SAID   +5 more
doaj   +6 more sources

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