Results 61 to 70 of about 70,712 (215)

Cascading on extragalactic background light

open access: yes, 2007
High-energy gamma-rays propagating in the intergalactic medium can interact with background infrared photons to produce e+e- pairs, resulting in the absorption of the intrinsic gamma-ray spectrum.
Aharonian   +23 more
core   +3 more sources

Una plaga

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

Fireball and cannonball models of gamma ray bursts confront observations

open access: yes, 2005
The two leading contenders for the theory of gamma-ray bursts (GRBs) and their afterglows, the Fireball and Cannonball models, are compared and their predictions are confronted, within space limitations, with key GRB observations, including recent ...
Amati   +49 more
core   +3 more sources

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

Overview on direct and indirect measurements of cosmic rays - Some thoughts on galactic cosmic rays and the knee

open access: yes, 2005
An overview is given on results from direct and indirect measurements of galactic cosmic rays. Their implications on the contemporary understanding of the origin of cosmic rays and the knee in their energy spectrum are discussed.Comment: Invited overview,
Hoerandel, Joerg R.
core   +2 more sources

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

Phylogenomic insights into the origin of the Norton grape

open access: yesPLANTS, PEOPLE, PLANET, Volume 7, Issue 5, Page 1458-1468, September 2025.
Challenges in viticulture such as disease resistance have renewed interest in underutilized cultivars. The Norton grape, one of the earliest popular North American grape cultivars, holds the potential to produce exceptional wine while being resistant to pests and disease. Yet, the ancestry of the Norton grape is controversial.
Luke Sparreo   +6 more
wiley   +1 more source

La plaga filoxerica [PDF]

open access: yes, 1878
Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-2010Contiene: I parte: El insecto y la vid (32 p., [1] h. de lám.) -- II parte: Examen de los medios propuestos para combatirla (32 p.) -- III parte: Las vides ...
Muñoz del Castillo, José, 1850-1926
core   +1 more source

Thlastocoris laetus Mayr, 1866 (hemiptera: coreidae: acanthocerini) nueva plaga de la piña Thlastocoris laetus Mayr, 1866 (Hemiptera: Coreidae: Acanthocerini), nova praga do abacaxi Thlastocoris laetus Mayr, 1866 (Hemiptera: Coreidae: Acanthocerini), a new pineapple pest

open access: yesScientia Agricola, 1993
Thlastocoris laetus (Hemiptera: Coreidae) es por primera vez señalado como plaga de la piña para la Amazonia brasileña y peruana comentando los daños que ocasiona.
G. Couturier, H. Brailovsky, R.A. Zucchi
doaj   +1 more source

Multiyear Drought Strengthens Positive and Negative Functional Diversity Effects on Tree Growth Response

open access: yesGlobal Change Biology, Volume 31, Issue 9, September 2025.
Mixed‐species forests may help trees better cope with increasing drought stress under climate change. We analyzed tree‐ring growth from nearly 1000 trees across 16 species in 9 experimental plantations across Europe to understand how tree diversity influences drought responses.
Hernán Serrano‐León   +26 more
wiley   +1 more source

Home - About - Disclaimer - Privacy