Results 31 to 40 of about 194 (102)

Pest categorisation of Ceroplastes rubens

open access: yesEFSA Journal, Volume 22, Issue 7, July 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of Ceroplastes rubens Maskell (Hemiptera: Coccidae), following the commodity risk assessments of Acer palmatum plants grafted on A. davidii and Pinus parviflora bonsai plants grafted on P. thunbergii from China, in which C.
EFSA Panel on Plant Health (PLH)   +25 more
wiley   +1 more source

Ex situ germplasm collections of exceptional species are a vital part of the conservation of Australia's national plant treasures

open access: yesPLANTS, PEOPLE, PLANET, Volume 6, Issue 1, Page 44-66, January 2024.
Conservation seed banks maintain collections of many seed‐bearing plant species, providing germplasm and data to support management of wild populations. However, a proportion of plant species produce seeds that are difficult to collect, dry, store and utilise; these are known as ‘exceptional’ species.
Amelia J. Martyn Yenson   +16 more
wiley   +1 more source

Aplicación de la biotecnología a la conservación y uso de la planta medicinal Psychotria acuminata Benth (Rubiaceae)

open access: yes, 2002
Tesis (magister scientiae)--Universidad de Costa Rica. Sistema de Estudios de Posgrado, 2002.Psychotria acuninata es una planta medicinal, que se encuentra aún en estado no domesticado.
Lara Quesada, Alfonso
core   +1 more source

Seed dormancy and storage behavior of twenty plant species of tropical montane forests in Sri Lanka

open access: yes, 2012
Montane forests in Sri Lanka are very important as the catchment area of main rivers providing water for irrigation and hydropower projects and also for their rich biodiversity.
Jayasuriya, Gehan, Athugala, Yasoja
core   +1 more source

Transfer of the Mexican species of Psychotria subgen. Heteropsychotria to Palicourea based on morphological and molecular evidences

open access: yes
Based on molecular and morphological studies the circumscription and reshaping of the genera Palicourea and Psychotria have been proposed (Andersson and Rova 1999, Nepokroeff et al. 1999 and several papers of C. M. Taylor).
Borhidi, A.
core   +1 more source

Genetic diversity detection of the domestic horse (Equus caballus) by genes associated with coat color

open access: yes, 2015
Objective. To assess the population structure and genetic diversity in populations of domestic horse (Equus caballus) in the municipality Cienaga de Oro-Córdoba (Colombia). Materials and methods. Random sampling were conducted between August and October
Enrique Pardo P   +7 more
core   +1 more source

Biologia floral e recursos oferecidos por espécies de sub-bosque em um fragmento florestal urbano no município de Manaus-AM [PDF]

open access: yes, 2004
o sub-bosque das florestas tropicais possui uma grande variedade de espécies, assim como, uma grande diversidade em relação aos modos depolinização. O presente trabalho descreve aspectos da floração de 46 espécies pertencentes a 35 gêneros, distribuídos ...
Martiniano, Thieme Marques
core  

Experiments in connection with the structure of emetine

open access: yes, 2017
Emetine is the principal alkaloid of ipecacuanha root which is obtained from the plant known botanically as Psychotria Ipecacuanha, also called Cephaelis Ipecacuanha, indigenous to Brazil, and from Psychotria Acuminata found in Colombia, both members of ...
Norcross, Geoffrey
core  

Fenologia e biologia floral de espécies do sub-bosque em uma floresta tropical úmida na região de Manaus / AM - Brasil

open access: yes, 2005
The present work describes the reproductive phenology of an understory communiy species and the floral biology and pollination of six species. This study was carried out in a continuous forest at the Biological Dynamics of Forest Fragments Project from ...
Santos, Otilene dos Anjos
core  

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