Results 71 to 80 of about 102,042 (168)

Biopesticide activity from drimanic compounds to control tomato pathogens [PDF]

open access: yes, 2018
Indexación: Scopus.Tomato crops can be affected by several infectious diseases produced by bacteria, fungi, and oomycetes. Four phytopathogens are of special concern because of the major economic losses they generate worldwide in tomato production ...
Alfaro, J.F.   +9 more
core   +1 more source

Evaluating the restoration of plant ecological interactions in gypsum mines with species co‐occurrences analyses

open access: yesJournal of Applied Ecology, Volume 63, Issue 5, May 2026.
These case studies suggest that both seed‐based and seedling‐based approaches can restore pairwise species interactions to a similar extent. The seedling‐based method, although more expensive, provides immediate visual impact by directly introducing canopy‐forming species into the system.
Johannes Hirn   +10 more
wiley   +1 more source

Las “moscas de las flores” (Diptera: Syrphidae) en Lules, Tucumán [PDF]

open access: yes, 2014
La familia Syrphidae es un grupo de insectos que se caracteriza por ser moscas grandes y vistosas capaces de adoptar la apariencia de abejas o avispas para defenderse de los depredadores. Los adultos generalmente se encuentran sobre las flores o en vuelo
Assaf, M. J. T.   +4 more
core  

Insecticidal activity of a protein extracted from bulbs of Phycella australis Ravenna against the aphids Acyrthosiphon pisum Harris and Myzus persicae Sulzer [PDF]

open access: yes, 2016
Aphids cause significant losses in many agricultural crops and in many cases cause repeated insecticide sprays, which increase the risk of resistance. Therefore, other alternatives are needed to control them.
Devotto, Luis   +4 more
core   +2 more sources

Ecophysiology of an Avian Invader: Body Condition and Metabolic Rate Adjustments to Ambient Temperature

open access: yesIntegrative Zoology, Volume 21, Issue 3, Page 602-608, May 2026.
This study examines the ecophysiological responses of common waxbills to temperature variation in Portugal. We measured body condition and basal metabolic rate (BMR) during summer and winter across two regions in Portugal. Body condition was negatively correlated with temperature, while the relationship between BMR and temperature varied seasonally. In
Marina Sentís   +7 more
wiley   +1 more source

AGROECOLOGIA E EXTENSÃO: O MOVIMENTO ESTUDANTIL EM DEFESA DE UMA NOVA AGRONOMIA

open access: yesRevista Brasileira de Extensão Universitária, 2017
O movimento estudantil nacional absorveu diversas temáticas emergentes dos movimentos sociais que tendem a contrapor a hegemonia dos paradigmas convencionais, observada nas universidades e na sociedade. No tocante aos cursos de Agronomia, se observa uma
Rodrigo Ferraz Ramos   +4 more
doaj   +1 more source

First record of Curius chemsaki Nearns and Ray, 2006 (Coleoptera: Cerambycidae: Cerambycinae: Curiini) in Colombia [PDF]

open access: yes, 2009
Curius chemsaki Nearns and Ray, 2006 (Coleoptera: Cerambycidae: Cerambycinae: Curiini), is reported from Colombia for the first time.
Joly, Luis J.   +2 more
core  

Guanacos’ and domestic livestock’s summer diets comparison in ecotone of “Tierra del Fuego” (Argentina) [PDF]

open access: yes, 2018
At present, it is believed that the population of guanacos has increased in the “Isla Grande de Tierra del Fuego”, arising a conflict with livestock and forestry activities.
Alvarenga, Eugenia Celeste   +6 more
core   +1 more source

Epidemiology of Salmonid Rickettsial Septicemia (SRS) in Farmed Salmon: The Role of Sea Lice Infestations in Mortality Risk

open access: yesJournal of Fish Diseases, Volume 49, Issue 5, May 2026.
ABSTRACT Piscirickettsia salmonis, the causal agent of salmonid rickettsial septicemia (SRS), is the main pathogen affecting farmed salmonids in Chile. Outbreaks of SRS lead to substantial economic losses for producers. Many determinants related to SRS outcomes are still poorly understood.
Benjamín Diethelm‐Varela   +7 more
wiley   +1 more source

La breve y triste historia de la geología en Uruguay

open access: yesRevista del Museo de La Plata, 2016
Se describen las etapas que pueden reconocerse en los ciento ocho años en los que se desarrollaron conocimientos geológicos científicos en Uruguay.
Jorge L. Bossi Scorza
doaj   +1 more source

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