Results 271 to 280 of about 577,954 (309)

Improvement of Remote Sensing-Based Assessment of Defoliation of Pinus spp. Caused by Thaumetopoea pityocampa Denis and Schiffermüller and Related Environmental Drivers in Southeastern Spain

open access: yesRemote Sensing, 2019
This study used Landsat temporal series to describe defoliation levels due to the Pine Processionary Moth (PPM) in Pinus forests of southeastern Andalusia (Spain), utilizing Google Earth Engine. A combination of remotely sensed data and field survey data
Javier Pérez-Romero   +2 more
exaly   +2 more sources
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Preparation and characterization of wood-cement particleboards produced using metakaolin, calcined ceramics and residues of Pinus spp.

Journal of Building Engineering, 2020
Because of the advantages of using natural materials and industrial wastes in the development of new value-added materials, this paper presents an attempt to use some of these materials that are available in Brazil as additions to prepare wood-cement ...
A. J. M. D. Lima   +3 more
semanticscholar   +1 more source

Differences between hygroscopicity limit and cell wall saturation investigated by LF-NMR on Southern pine (Pinus spp.)

Holzforschung, 2019
Low-field nuclear magnetic resonance (LF-NMR) was used to clarify the difference between the fiber saturation point (FSP) of Southern pine (Pinus spp.) determined at the hygroscopicity limit (HL) vs. cell wall saturation (CWS).
Jingyu Li, E. Ma, Tiantian Yang
semanticscholar   +1 more source

Diseases of pine (Pinus spp.)

1982
The European Pinus sylvestris (Scots pine) and P. nigra var. maritima (Corsican pine) and the North American P. contorta (lodgepole pine) are the major species of pine grown in British forests. Many other introduced pines are grown in parks and gardens. P.
D. H. Phillips, D. A. Burdekin
openaire   +1 more source

Characterization of Fusarium circinatum from Pinus spp. in northern Spain

Mycological Research, 2007
Pitch canker caused by Fusarium circinatum was recently reported on Pinus spp. in Spain. In this study, a collection of 157 isolates of F. circinatum obtained from different geographical origins and hosts in northern Spain were identified and characterized by cultural and morphological features, PCR-RFLPs of the histone H3 gene, IGS region, and the ...
Ana, Pérez-Sierra   +5 more
openaire   +2 more sources

Mycorrhizal syntheses between Lactarius spp. section Deliciosi and Pinus spp. and the effects of grazing insects in Yunnan, China

Canadian Journal of Forest Research, 2019
Ectomycorrhizal fungi (EMF) in Lactarius sect. Deliciosi produce valuable edible mushrooms. Market supplies are harvested from natural populations.
Ran Wang   +6 more
semanticscholar   +1 more source

Revealing past needle retention in Pinus spp.

Scandinavian Journal of Forest Research, 1990
Needle retention in conifers is affected by several environmental factors, e.g. climate, mineral nutrition, other edaphic conditions, and more recently by air pollution.
Timo Kurkela, Risto Jalkanen
openaire   +1 more source

Revealing past needle density in Pinus spp.

Scandinavian Journal of Forest Research, 1998
The number of short shoots per shoot length, or needle density, is species typical, and it shows year‐to‐year variation within species. By modification of the needle trace method, long‐term needle density chronology was produced in a Scots pine (Pinus sylvestris L.) stand, located at the northern timberline in Finland.
Jalkanen, R., Aalto, T., Kurkela, T.
openaire   +1 more source

Ectomycorrhizae synthesized between Pinus radiata and eight fungi associated with Pinns spp.

Mycologia, 1996
The capability of several fungal species, collected in the field in association with species of the genus Pinus, to form ectomycorrhizae with Pinus radiata have been determinated in vitro and in con- tainers. Hebeloma longicaudum, Russula sanguinea, Tricholoma albobruneum, Tuber borchii and Xerocomus badius have formed ectomycorrhizae with Pinus ra ...
Miren K. Dunabeitia   +3 more
openaire   +1 more source

Fertilizing container grown Pinus nigra spp. Laricio

1994
Les résultats décrivent les caractéristiques morphologiques des plants après une saison de végétation, leurs besoins structuraux, la fertilisation-type. Cette démarche peut s'étendre aux principaux résineux produits en région méditerranéenne française.
Argillier, Christine, Raymond, V.
openaire   +1 more source

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