Results 71 to 80 of about 112,877 (169)

Identification of microorganisms of Phytophthora genre associated to Quercus sp. and Pinus sp. species in the provinces of Guatemala and Sacatepéquez

Ciencia, Tecnología y Salud, 2015
The mean purpose of this research was to identify microorganism belonging to Phytophthora genera which are affecting mixed natural forests and nurseries of Pinus sp. and Quercus sp.
José Humberto Calderón Dí­az, Marí­a del Carmen Santos Bravo   +1 more
doaj  

SELECCIÓN DE UN MÉTODO PARA PRODUCIR CARBÓN ACTIVADO UTILIZANDO CUATRO ESPECIES FORESTALES SELECTION OF A METHOD TO PRODUCE ACTIVATED CHARCOAL USING FOUR FOREST SPECIES

Revista Facultad Nacional de Agronomía Medellín, 2004
La presente investigación se realizó en los laboratorios de Carbones y de Productos Forestales, de la Universidad Nacional de Colombia, Sede Medellín. Ésta se orientó hacia la selección de un método para obtener carbón activado a partir de las especies ...
Jhon Fredy Herrera Builes, Wilmar Alexander Morales Yepes, Juan David Pérez Schile   +2 more
doaj  

ASSESSING THE NATURAL REGENERATION OF THREE SPECIES CONIFER NATURAL RANGE IN THE WESTERN HIGHLANDS OF GUATEMALA

Ciencia, Tecnología y Salud, 2016
Coniferous forests of the western highlands of Guatemala have been disturbed by human intervention and natural phenomena, which has allowed the occurrence of the phenomenon of natural regeneration.
Sergio Miguel Godí­nez, Fabio A. Rodriguez, Nancy P. Lopez, Jorge Camposeco   +3 more
doaj  

Flower Promotion in Pinus maximinoi and Pinus tecunumanii in a tropical environment and Artificial Screening of High-Elevation P. tecunumanii for Resistance to Fusarium circinatum

, 2008
Pinus tecunumanii and Pinus maximinoi are two important commercial species for Smurfit Kappa Cartón de Colombia (SKCC). However, seed production in tropical regions can be very problematic for pine species. For SKCC, these problems create a severe
Isaza, Nhora
core  

Comparison of Artificial Intelligence Algorithms and Remote Sensing for Modeling Pine Bark Beetle Susceptibility in Honduras

Remote Sensing
The pine bark beetle is a devastating forest pest, causing significant forest losses worldwide, including 25% of pine forests in Honduras. This study focuses on Dendroctonus frontalis and Ips spp., which have affected four of the seven native pine ...
Omar Orellana, Marco Sandoval, Erick Zagal, Marcela Hidalgo, Jonathan Suazo-Hernández, Leandro Paulino, Efrain Duarte   +6 more
doaj   +1 more source

Species diversity and plastid dna haplotype distributions ofPinus Subsection Australes (pinaceae) in Guerrero and Oaxaca

TIP Revista Especializada en Ciencias Químico-Biológicas, 2016
Pinus subsección Australes es un grupo de pinos duros de América del Norte que comprende aproximadamente 29 especies de árboles importantes económicamente y ecológicamente distribuidos a lo largo de toda América del Norte y Central y las ...
Alfredo Ortiz-Martínez, David S. Gernandt   +1 more
doaj  

Studying tree response to biotic stress using a multi-disciplinary approach: The pine pitch canker case study. [PDF]

Front Plant Sci, 2022
Amaral J, Valledor L, Alves A, Martín-García J, Pinto G.   +4 more
europepmc   +1 more source

Produtividade, estabilidade, adaptabilidade e diversidade genética em testes de progênies de Pinus caribaeae var. hondurensis e Pinus tecunumanii

, 2017
Pós-graduação em Agronomia - FEIS 33004099079P1P. caribaea var. hondurensis e P. tecunumanii são as espécies mais utilizadas em florestamentos na região tropical do Brasil, porém o melhoramento genético dessas espécies ainda é muito incipiente.
Moreira, Juliana Prado
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The partial characterisation of the terpene synthase genes implicated in the defence response by Pinus patula and Pinus tecunumanii to Fusarium circinatum [PDF]

, 2020
Mini Dissertation (MSc)--University of Pretoria, 2020.Pitch canker, caused by Fusarium circinatum (teleomorph Gibberella circinata), is regarded as one of the most severe phytopathogenic diseases affecting commercial Pinus plantations worldwide, and is

core  

Composition and Structure of Tree Species in Twelve Plots Within Agroforestry Systems in the Amazonas Department, Peru

International Journal of Plant Biology
Globally, coffee-based agroforestry systems are recognized for their capacity to integrate agricultural production with biodiversity conservation, particularly in tropical landscapes under intense anthropogenic pressure.
Jaqueline Zuta Lopez, Rosalynn Y. Rivera, Elver Coronel Castro, Nixon Haro, Gerson Meza-Mori, Oscar Gamarra, Manuel Oliva-Cruz, Carlos A. Amasifuen Guerra, José Giacomotti, Elí Pariente   +9 more
doaj   +1 more source