Results 71 to 80 of about 98,716 (195)

Estudio de cinética en procesos termogravimétricos de materiales lignocelulósicos

open access: yesMaderas: Ciencia y Tecnología, 2018
La madera de pino representa el 20% de las especies forestales plantadas en todo el mundo, y actualmente es de vital importancia en aplicaciones industriales como en aserrío, fabricación de papel y medicina.
José Juan Alvarado Flores   +1 more
doaj  

Histopatología de raíces de Pinus patula Schiede ex Schltdl. et Cham. y de Pinus pseudostrobus Lindl. infectadas con Phytophthora cinnamomi Rands, 1922

open access: yesRevista Mexicana de Ciencias Forestales, 2017
Phytophthora cinnamomi es uno de los fitopatógenos más devastadores a nivel mundial, ya que ocasiona pudriciones de raíz y la muerte de numerosas especies vegetales.
Santos Gerardo Leyva Mir   +5 more
doaj   +1 more source

PRODUCCIÓN DE HOJARASCA FINA EN BOSQUES ALTO ANDINOS DE ANTIOQUIA, COLOMBIA FINE LITTER PRODUCTION IN HIGH ANDEAN FORESTS FROM ANTIOQUIA, COLOMBIA

open access: yesRevista Facultad Nacional de Agronomía Medellín, 2007
En bosques montanos naturales de Quercus humboldtii y reforestados (Pinus patula y Cupressus lusitanica) de la región de Piedras Blancas, Antioquia (Colombia), fue evaluada la producción de hojarasca por un periodo de 2 años.
Claudia Marcela Zapata Duque   +3 more
doaj  

Biology of Litosermyle ocanae in Colombian Pinus patula plantations

open access: yes, 2018
Plantations of Pinus spp. in Colombia are severely damaged by various phasmid (Phasmatodea: Diapheromeridae) insects. Of these, Litosermyle ocanae is one of the most serious defoliators.
Hurley, Brett Phillip   +4 more
core   +1 more source

MORPHOMETRIC ANALYSIS ON CHROMOSOMES OF TROPICAL Pinus SPECIES

open access: yesCiência Florestal, 2009
Karyotypic analysis of Pinus oocarpa Schiede ex Schltdl., Pinus patula Schltdl. & Cham. and of provenances Jócon Yoro, Las Camelias and San Rafael del Norte of Pinus tecunumanii Eguiluz & J. P.
Lília Rosário Ribeiro   +4 more
doaj  

Initial growth results comparing first generation F1 and advanced-generation F2 Pinus patula × Pinus tecunumanii interspecific hybrid families

open access: yes, 2021
The hybrid between Pinus patula and P. tecunumanii low elevation (PPTL) and high elevation (PPTH) sources was developed in the 1990s in South Africa and commercialised during the 2000s in response to high post-establishment mortality of P.
Hodge, Gary R.   +2 more
core  

Production Potentials of Quality Tree Seeds from Orchards and Plantations in Tanzania

open access: yesJurnal Manajemen Hutan Tropika
Availability of large quantities and high-quality planting materials is essential for sustainability of tree planting and quality forest products. However, there have been no sufficient information on production potential of quality and quantity of tree
Fortunate Stephen Senya   +3 more
doaj   +1 more source

Forests and Hydrological Services: Reconciling public and science perceptions [PDF]

open access: yes
This paper compares and contrasts the science and public perceptions of the role of forests in relation to water quantity (annual and seasonal runoff and recharge) and erosion.
Calder, Ian R.
core  

Antiproliferative activity of biomass extract from Pseudomonas cedrina

open access: yesElectronic Journal of Biotechnology, 2019
Background: The study of plant-associated microorganisms is very important in the discovery and development of bioactive compounds. Pseudomonas is a diverse genus of Gammaproteobacteria comprising more than 60 species capable of establishing themselves ...
Leonardo Sánchez-Tafolla   +6 more
doaj   +1 more source

Efecto de la calidad de planta en la supervivencia y crecimiento de pinus patula en un área quemada

open access: yesRevista Chapingo: Serie Ciencias Forestales y del Ambiente, 2003
En este trabajo se evaluó la aclimatación de Pinus patula Schl. et Cham., plantado en dos ambientes en Chignahuapan, Puebla. El primer ambiente fue una masa de baja densidad de Pinus teocote Schl. et Cham. y Pinus patula.
G. Sosa Pérez, D. A. Rodríguez Trejo
doaj  

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