Results 71 to 80 of about 2,734 (196)

Screening of Asteraceae (Compositae) Plant Extracts for Larvicidal Activity against Aedes fluviatilis (Diptera: Culicidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1997
Ethanol extracts of 83 plants species belonging to the Asteraceae (Compositae) family, collected in the State of Minas Gerais, Brazil, were tested for larvicidal activity against the mosquito Aedes fluviatilis - Diptera: Culicidae).
Maria E Macêdo   +7 more
doaj   +1 more source

Texas coastal zone biotopes : an ecography : interim report for the Bay and Estuary Management Program (CRMP) [PDF]

open access: yes, 1972
November 1972Because esthetics, biological environment and physiography are so interrelated and have changeable meanings in various environments, we are obligated to think of the environment in terms of biological change, as environmental protection is ...
Gordon, Kennith G. (Kennith Glenn), 1930-   +1 more
core   +1 more source

Update of the Xylella spp. host plant database – Systematic literature search up to 31 December 2023

open access: yesEFSA Journal, Volume 22, Issue 7, July 2024.
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +7 more
wiley   +1 more source

Commodity risk assessment of Ligustrum ovalifolium and Ligustrum vulgare plants from the UK

open access: yesEFSA Journal, Volume 22, Issue 3, March 2024.
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 the evergreen Ligustrum ovalifolium ...
EFSA Panel on Plant Health (PLH)   +28 more
wiley   +1 more source

Apiarian flora in Colonia Laharrague, Misiones, Argentina [PDF]

open access: yes, 2010
El presente trabajo tiene como objetivo identificar las especies vegetales de la flora aledaña a un apiario utilizadas por las abejas, mediante observaciones a campo.
Insaurralde, Carlos   +3 more
core  

Commodity risk assessment of Corylus avellana plants from the UK

open access: yesEFSA Journal, Volume 22, Issue 1, January 2024.
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 Corylus avellana imported from the ...
EFSA Panel on Plant Health (PLH)   +28 more
wiley   +1 more source

How the temperate world was colonised by bindweeds: biogeography of the Convolvuleae (Convolvulaceae) [PDF]

open access: yes, 1923
BAMM outputs. Phylorate plots (2a) and speciation rate through time curve for Convolvuleae (2b). Additional file 2a represents the distinct shift configurations that account for 95% of the probability of the data (f-values denote the posterior ...
Bethany R. M. Williams   +5 more
core   +4 more sources

Flora of an area of the Sierra La Barrosa (Balcarce) and phenology of species with ornamental potential [PDF]

open access: yes, 2009
Los objetivos de este trabajo fueron inventariar la flora vascular en un área de la Sierra La Barrosa (Sistema de Tandilia, Buenos Aires), determinar la utilidad actual o potencial de las especies e iniciar un estudio fenológico preliminar in situ de 10 ...
Alonso, Sara Isabel   +3 more
core  

Tribo Vernonieae Cass [PDF]

open access: yes, 2017
A tribo Vernonieae possui uma distribuição pantropical, com grande parte das espécies concentradas no Brasil e África. Atualmente, são reconhecidas 21 subtribos, 126 gêneros e cerca de 1.300 espécies (KEELEY; ROBINSON 2009; ROBINSON, 2007)...Fil: Esteves,
Dematteis, Massimiliano   +7 more
core   +1 more source

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