Results 71 to 80 of about 102,042 (168)
Biopesticide activity from drimanic compounds to control tomato pathogens [PDF]
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
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]
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]
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
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
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]
Curius chemsaki Nearns and Ray, 2006 (Coleoptera: Cerambycidae: Cerambycinae: Curiini), is reported from Colombia for the first time.
Joly, Luis J. +2 more
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Guanacos’ and domestic livestock’s summer diets comparison in ecotone of “Tierra del Fuego” (Argentina) [PDF]
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
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
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

