Results 61 to 70 of about 130,759 (227)

Alternativas de manejo de artrópodos en arroz (Oryza sativa L.), en Sébaco, Matagalpa, Nicaragua

open access: yesSiembra
El cultivo de arroz (Oryza sativa L.) es el cuarto cereal de importancia en el mundo, cultivándose en 111 países, por su alto valor nutritivo. En Nicaragua es el tercer cultivo de importancia económica, generando 190.7 millones de dólares anuales.
José Manuel Laguna Dávila   +1 more
doaj   +1 more source

Viejas y nuevas plagas. Una mirada crítica a los riesgos biológicos en los inicios del siglo XXI

open access: yesDocuments d'Anàlisi Geogràfica, 2006
Los inicios del siglo XXI vienen marcados por la permanencia de viejas plagas médicas, como la tuberculosis, el paludismo o el cólera, por otras nuevas, como el sida, el síndrome respiratorio agudo y severo (SARS) o la «gripe del pollo», pero, asimismo,
Antonio Buj Buj
doaj   +1 more source

Further contributions to the tritrophic plant-aphid-parasitoid associations in Malta with special reference to Aphis nerii (Hemiptera, Aphidoidea) as a prevalent refugium of Aphidiinae (Hymenoptera, Braconidae) [PDF]

open access: yes, 2013
Four species of aphid parasitoids, namely Aphidius colemani, Binodoxys angelicae, Lysiphlebus fabarum and Lysiphlebus testaceipes were reared from Aphis nerii on Nerium oleander and/or Stephanotis floribunda in Malta.
Mifsud, David, Stary, Petr, Zammit, Mark
core  

Una plaga

open access: yesNuestras Aves, 1985
This article does not have an abstract.
openaire   +1 more source

Degradation strategies for structural characterization of insoluble synthetic polymers by mass spectrometry

open access: yesMass Spectrometry Reviews, Volume 44, Issue 6, Page 989-1012, November/December 2025.
Abstract With the advent of soft ionization techniques such as electrospray (ESI) and matrix‐assisted laser desorption/ionization (MALDI) to produce intact gas‐phase ions from nonvolatile macromolecules, mass spectrometry has become an essential technique in the field of polymeric materials.
Thierry N. J. Fouquet   +2 more
wiley   +1 more source

Prospección de insectos asociados a las proteaceas cultivadas comercialmente en Chile. [PDF]

open access: yes, 2004
40 p.Las Proteáceas han sido introducidas en Chile en la última década, estas plantaciones se ubican en la zona costera entre la V y la VII regiones. Sin embargo, aún existe un gran desconocimiento del cultivo de estas especies, especialmente en lo que ...
Carrasco Cespedes, Lorena Andrea   +1 more
core  

Effect of the interaction between Lactobacillus casei and hydrolyzed yeast on the sexual competitiveness, survival, and fecundity of Anastrepha obliqua (Diptera: Tephritidae)

open access: yesInsect Science, Volume 32, Issue 5, Page 1681-1690, October 2025.
Abstract Enriching the diets of sterile fruit flies with bacterial species prior to their release has been shown to improve their survival and sexual competitiveness. However, most of the bacteria associated with fruit flies are enterobacteria, and some species have been classified as opportunistic pathogens.
Damara Olea   +3 more
wiley   +1 more source

Plagas que atacan granos de frijol almacenados [PDF]

open access: yes, 2017
The biology of the insects Acanthoscelides obtectus and Zabrotes subfasciatus attacking stored beans is briefly described. Cultural and chemical control measures are indicated. (CIAT)Se describe brevemente la biologia de los insectos que atacan el frijol
Schoonhoven, Aart van
core  

A case of silent invasion : citizen science confirms the presence of Harmonia axyridis (Coleoptera, Coccinellidae) in Central America [PDF]

open access: yes, 2019
Harmonia axyridis (Coleoptera, Coccinellidae) is a globally invasive ladybird. It has been intentionally introduced in many countries as a biological control agent, whereas it has been unintentionally released in many others.
Haelewaters, Danny, Hiller, Thomas
core   +1 more source

The impact of sterile insect technique processes on the performance of tephritid flies

open access: yesInsect Science, Volume 32, Issue 5, Page 1524-1556, October 2025.
This graphical abstract illustrates the impact of different SIT (Sterile Insect Technique) processes on the biological performance of sterile fruit flies (Diptera: Tephritidae). The SIT process involves sequential procedures or stages (colonization, mass‐rearing, irradiation, handling, packaging, chilling, and release), where each stage can induce ...
Mayren Sánchez‐Rosario   +7 more
wiley   +1 more source

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