Results 21 to 30 of about 96,184 (208)

First report of shoot blight and dieback caused by Diplodia pinea on Pinus pinaster and P. radiata trees in Tunisia

open access: yesPhytopathologia Mediterranea, 2009
Damage caused by Diplodia pinea on Pinus pinaster and P. radiata forests are reported for the fi rst time in Tunisia. The affected plants show shoot blight, canker and branch dieback. On decaying and dead branches pycnidia of D. pinea are observed.
B.T. Linaldeddu   +2 more
doaj   +1 more source

Chemical Characterisation, Antioxidant and Antibacterial Activities of Pinus pinaster Ait. and Pinus pinea L. Bark Polar Extracts: Prospecting Forestry By-Products as Renewable Sources of Bioactive Compounds

open access: yesApplied Sciences, 2022
Agroforestry by-products have gained rising attention in recent years as they represent inexpensive and abundant raw materials that are a source of added-value chemicals, e.g., for food and pharmaceutical applications, as well as for bioenergy generation.
Patrícia A. B. Ramos   +7 more
doaj   +1 more source

An integral model for natural regeneration of Pinus pinea L. in the Northern Plateau (Spain) = Modelo integral de regeneración natural para Pinus pinea L. en la Meseta Norte (España) [PDF]

open access: yes, 2013
Natural regeneration is an ecological key-process that makes plant persistence possible and, consequently, it constitutes an essential element of sustainable forest management.
Manso González, Rubén
core   +1 more source

Distribution of Diplodia pinea and its genotypic diversity within asymptomatic Pinus patula trees [PDF]

open access: yes, 2011
Diplodia pinea (= Sphaeropsis sapinea) is an endophytic fungus and opportunistic canker pathogen of Pinus spp. The diversity of this fungus has been studied at broad geographic scales, but little is known regarding its population structure at smaller ...
Wingfield, Brenda D.   +14 more
core   +1 more source

Pinus Susceptibility to Pitch Canker Triggers Specific Physiological Responses in Symptomatic Plants: An Integrated Approach

open access: yesFrontiers in Plant Science, 2019
Fusarium circinatum, the causal agent of pine pitch canker (PPC), is an emergent and still understudied risk that threatens Pinus forests worldwide, with potential production and sustainability losses.
Joana Amaral   +8 more
doaj   +1 more source

Differential Impact of the Pinewood Nematode on Pinus Species Under Drought Conditions

open access: yesFrontiers in Plant Science, 2022
The pinewood nematode (PWN), Bursaphelenchus xylophilus, responsible for the pine wilt disease (PWD), is a major threat to pine forests worldwide. Since forest mortality due to PWN might be exacerbated by climate, the concerns regarding PWD in the ...
Mariana Estorninho   +10 more
doaj   +1 more source

Determination of allometric equations for estimating stem biomass of three species of Pinus brutia Ten., Pinus pinea L. and Cupressus sempervirens L. in the Arabdagh reforests, Golestan province [PDF]

open access: yesمجله جنگل ایران, 2021
Accurate measurements of above-ground biomass and selection of the most appropriate allometric equations are major challenges in evaluating tree biomass.
H Ali, j Mohammadi, Sh Shataee. Joybary
doaj   +1 more source

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

Climate-Driven Range Shifts Limit the Role of Non-Native Trees for Adaptation Processes of European Forests. [PDF]

open access: yesEcol Evol
Ensemble species distribution model based study indicates a limited role of non native tree species as alternatives to vulnerable native tree species in Europe. ABSTRACT Climate change threatens biodiversity and ecosystem services by reducing the suitability of many native tree species in Europe.
Hazarika R   +3 more
europepmc   +2 more sources

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

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