Results 41 to 50 of about 99,054 (160)

Suscetibilidade de populações de milho a Spodoptera frugiperda Smith e Helicoverpa zea Bod. (Lepidoptera: Noctuidae)

open access: yesActa Scientiarum. Agronomy, 2008
Foi estudada a suscetibilidade de 49 populações de milho a Spodoptera frugiperda e Helicoverpa zea. As populações menos suscetíveis a S. frugiperda foram Campeão, Cravo, BR-106, Asteca (São Mateus), Palha-Roxa (Francisco Beltrão), Palha-Roxa (Governador ...
Eliseu José Guedes Pereira   +4 more
doaj   +1 more source

Iflaviruses in arthropods: when small is mighty

open access: yesInsect Science, EarlyView.
Many arthropod species harbor iflaviruses, which often cause covert (asymptomatic) infections, but may still affect host fitness. We review the impact of iflaviruses on arthropod fitness, immunity, behaviour as well as the iflavirus’ host range, transmission, tissue tropism and the interactions with other microorganisms within arthropods.
Annamaria Mattia   +3 more
wiley   +1 more source

Helicoverpa zea genome sequencing and assembly

open access: yes, 2022
Helicoverpa zea (corn earworm) genome assemblies of isolate ...
United States Department of Agriculture (17854922)
core  

The dual crisis: Climate change simultaneously drives pollinator decline and pest outbreaks

open access: yesAgricultural and Forest Entomology, EarlyView.
Climate change acts as an asymmetric ecological filter, favouring r‐selected pest traits (rapid reproduction, generalism) while disadvantaging K‐selected pollinators. For every 1°C of warming, bee species richness declines ~25% since the 1990s, while pest‐induced crop losses increase by 10%–25%. A network‐centric approach integrating climate‐responsive
Diriba Fufa Serdo
wiley   +1 more source

Helicoverpa zea principal pseudohaplotype genome sequencing

open access: yes, 2022
Helicoverpa zea (corn earworm) genome assembly, ilHelZeax1, principal ...
United States Department of Agriculture (17854922)
core  

Biologia, Seleção e Avaliação de Linhagens de Trichogramma spp. para o Controle da Lagarta-da-Espiga em Milho Semente

open access: yesEntomoBrasilis, 2012
O objetivo deste trabalho foi estudar a biologia de Trichogramma spp. em ovos de Anagasta kuehniella (Zeller) e Helicoverpa zea (Boddie), selecionar e avaliar uma linhagem do parasitóide para o controle de H. zea em milho semente.
Josemar Foresti   +4 more
doaj   +3 more sources

Influência da idade dos ovos de Helicoverpa zea (Boddie) no parasitismo de Trichogramma pretiosum Riley Influence of egg age of Helicoverpa zea (Boddie) on the parasitism by Trichogramma pretiosum Riley

open access: yesPesquisa Agropecuária Brasileira, 1999
Entre os agentes de controle biológico, os parasitóides do gênero Trichogramma representam um dos mais importantes grupos, pois controlam diversas pragas na agricultura.
Dirceu Pratissoli   +1 more
doaj   +1 more source

ATP hydrolyzing salivary enzymes of caterpillars suppress plant defenses. [PDF]

open access: yesPLoS ONE, 2012
The oral secretions of herbivores are important recognition cues that can be used by plants to mediate induced defenses. In this study, a degradation of adenosine-5'-triphosphate (ATP) in tomato leaves was detected after treatment with Helicoverpa zea ...
Shuang Wu   +3 more
doaj   +1 more source

Pest‐preservation paradox among insects

open access: yesConservation Biology, EarlyView.
The pest‐preservation paradox is a non‐binary perspective that insects range from those that are harmful and requiring management on the one side, to those requiring conservation intervention on the opposite end of the spectrum. Importantly, the vast majority of insects occur somewhere in the center of the two extremes, and their position along the ...
Michael J. Samways   +3 more
wiley   +1 more source

Helicoverpa armigera and Helicoverpa zea competition scenarios at different instar.

open access: yes, 2016
Helicoverpa armigera and Helicoverpa zea competition scenarios at different instar.
Edson L. L. Baldin (3373118)   +5 more
core   +1 more source

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