Results 61 to 70 of about 211 (115)
Commodity risk assessment of Alnus cordata, Alnus glutinosa and Alnus incana plants from the UK
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘high‐risk plants, plant products and other objects’. Taking into account the available scientific information, including the technical information provided by ...
EFSA Panel on Plant Health (PLH) +36 more
wiley +1 more source
Commodity risk assessment of Betula pendula and Betula pubescens plants from the UK
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’. This Scientific Opinion covers plant health risks posed by plants of Betula pendula and B.
EFSA Panel on Plant Health (PLH) +32 more
wiley +1 more source
Dosel de tres especies forestales y su relación con la adaptación a suelos degradados por la erosión
Durante 30 meses, se realizó un estudio en la localidad de Firavitoba, Boyacá, con el objetivo de evaluar y de analizar los cambios en el dosel y la capacidad de adaptación de tres especies forestales de clima frío, Alnus acuminata, Escallonia pendula y ...
Marco Cabezas Gutiérrez +3 more
doaj +1 more source
Arbuscular mycorrhizal fungi (AMF) are crucial for plant survival and may influence the success of invasive species. This study investigated the AMF communities associated with the invasive Cinchona pubescens on Santa Cruz Island, Galápagos, and in its endangered native range in Ecuador.
Paulo Herrera +3 more
wiley +1 more source
The objective of this study was to determine patterns of arbuscular mycorrhizal (AM) colonization of Alnus acuminata Kunth at two natural forests in relation to soil parameters at two different seasons (autumn and spring).
Alejandra Gabriela Becerra +4 more
doaj
It has long been known that plants adjust allocation to different tissues based on supply of soil nitrogen, but the degree to which nitrogen supplied by symbiotic nitrogen‐fixing bacteria has similar effects on allocation is less well known. Using an experiment with 15 plant species with and without access to symbiotic nitrogen‐fixing bacteria, grown ...
Duncan N. L. Menge +4 more
wiley +1 more source
Con el propósito de evaluar el impacto de adicionar cal a plantaciones de jaúl (Alnus acuminata (H.B.K.) O. Kuntze) en Andisoles de la cuenca alta del río Virilla, Costa Rica, se realizó el presente trabajo en 2 localidades: 1) Finca Hospicio: Ubicada en
Marlon Salazar +4 more
doaj
El trabajo de investigación se llevó a cabo en el Área de Conservación Privada Cerro Blanco, cantón Otavalo, provincia de Imbabura, cerca de las instalaciones de la Unión Andina de Cementos S.A.A. (UNACEM).
María Fernanda López, Marjori Morejón
doaj +1 more source
Some biological aspects of an isolated fungus of Alnus acuminata roots were studied. It bas been found Tbat between OOC and 4°C tbe fungi grows fast. This condition can result in a important factor in the ecophysiology of 'Aliso' populations, that grows ...
Marina Correa de Restrepo +2 more
doaj
En este estudio se evaluó el efecto de fertilizar con 0, 61, 122, 183 y 244 g P2O5 árbol-1 sobre el crecimiento de árboles de jaúl en suelos Typic Udivitrands (Landelina y Vista de Mar) y Entic Udivitrands (Matinilla).
Manuel Segura +4 more
doaj +1 more source

