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24 results for “Pest resistance”
Figure 2 in Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)
Figure 2 Dendrogram of cluster analysis based on the Euclidean distance and grouping by UPGMA regarding scores of damage by Spodoptera frugiperda larvae on grain sorghum hybrids at 7 and 14 days after infestation.
Figure 5 in Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)
Figure 5 Scores of injury on sorghum plants caused by S. frugiperda (a); D. saccharalis (b); and D. melacanthus (c).
Figure 1 in Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)
Figure 1 Green-belly stink bug injury based on the damage rating scale adapted by Roza-Gomes et al. (2011) (0-4) to maize injury.
Dataset for: Expanding risk predictions of pesticide resistance evolution in arthropod pests with a proxy for selection pressure
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Microbe-induced plant resistance against insect pests depends on timing of inoculation, but is consistent across climatic conditions
<ol> <li>To cope with abiotic and biotic stressors, plants have developed mutualistic associations with beneficial soil microbes, but little is known about how extreme abiotic conditions impact microbe-induce resistance to insect herbivores.</li> <li>Extreme temperatures are often accompanied by extremes in plant water availability, which together reduce plant growth and change plant physiology. There are potential consequences for increasing plant susceptibility to biotic stresses, and this poses a real challenge for plant productivity.</li> <li>We evaluated how the effects of beneficial soil bacteria (<em>Acidovorax radicis </em>N35e) on barley plant growth and resultant resistance against aphid infestation (<em>Sitobion</em> <em>avenae</em>) were impacted by a single heatwave event across a plant water availability gradient. We also tested if timing of bacterial inoculation (before or after the temperature treatment) affected bacteria-plant interactions on aphids.</li> <li>We found that heatwaves affected plant biomass allocation from aboveground to belowground tissues. Inoculation with <em>A. radicis</em> led to reduction of aphid numbers, but depended on timing of inoculation, and led to stronger resistance when inoculations occurred closer to aphid infestation. Remarkably, microbe-induced resistance against aphids was consistent across heatwave and water availability treatments.</li> <li>This study provides evidence that beneficial plant-bacteria interactions may represent a potential solution for sustainable agricultural practices to enhance plant growth and response to insect pests under climate change. Future field trials should investigate the consistency of beneficial effects reported here for a better understanding of multispecies interactions in the context of global change.</li> </ol>
Incomplete reproductive barriers and genomic differentiation impact the spread of resistance mutations between green- and red-colour morphs of a cosmopolitan mite pest
<p>We studied patterns of genetic differentiation and barriers to gene flow within and between morphs of <em>T. urticae</em> in order to understand the factors that influence the spread of resistance mutations across its populations. We derived multiple iso-female lines from <em>Tetranychus</em> populations collected from agricultural crops. We generated genomic and morphological data, characterized their bacterial communities, and performed controlled crosses.</p>
Incomplete reproductive barriers and genomic differentiation impact the spread of resistance mutations between green- and red-colour morphs of a cosmopolitan mite pest
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Microbe-induced plant resistance against insect pests depends on timing of inoculation, but is consistent across climatic conditions
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Data from: First report of Fusarium citri as an entomopathogenic fungus mediating plant resistance against insect pests and phytopathogens
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Data from: Going undercover: increasing canopy cover around a host tree drives associational resistance to an insect pest
Neighbouring heterospecific plants are often observed to reduce the probability of herbivore attack on a given focal plant. While this pattern of associational resistance is frequently reported, experimental evidence for underlying mechanisms is rare particularly for potential plant species diversity effects on focal host plants and their physical environment. Here, we used an established forest diversity experiment to determine whether tree diversity effects on an important insect pest are driven by concomitant changes in host tree growth or the light environment. We examined the effects of tree species richness, canopy cover and tree growth on the probability of occurrence, the abundance, and volume of galls caused by the pineapple gall adelgid Adelges abietis on Norway spruce. Although tree diversity had no effect on gall abundance, we observed that both the probability of gall presence and gall volume (an indicator of maternal fecundity) decreased with tree species richness and canopy cover around host spruce trees. Structural equation models revealed that effects of tree species richness on gall presence and volume were mediated by concurrent increases in canopy cover rather than changes in tree growth or host tree density. As canopy cover did not influence tree or shoot growth, patterns of associational resistance appear to be driven by improved host tree quality or more favourable microclimatic conditions in monocultures compared to mixed-stands. Our study therefore demonstrates that changes in forest structure may be critical to understanding the responses of herbivores to plant diversity and may underpin associational effects in forest ecosystems.
Controlled-release of Bacillus thurigiensis formulations encapsulated in light-resistant colloidosomal microcapsules for the management of lepidopteran pests of Brassica crops.
<p>The fours xls files contain the raw data for Figures 3 and 4.</p> <p>The zip file contains AFM pictures, DLS measurements, DSC data, visible microscopy pictures and UV-VIS absorption data for iron oxide nanoparticles.</p>
Data from: The evolution of pesticide resistance: A data-driven case study of chlorantraniliprole resistance in Chilo suppressalis and other lepidopteran pests in China
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Data from: Going undercover: increasing canopy cover around a host tree drives associational resistance to an insect pest
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Data from: Ancient symbiosis confers desiccation resistance to stored grain pest beetles
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Data from: Transpacific coalescent pathways of coconut rhinoceros beetle biotypes: resistance to biological control catalyzes resurgence of an old pest
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Insecticide resistance governed by gut symbiosis in a rice pest, Cletus punctiger, under laboratory conditions
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Data from: Transgenerational effects modulate density-dependent prophylactic resistance to viral infection in a lepidopteran pest
There is an increasing appreciation of the importance of transgenerational effects on offspring fitness, including in relation to immune function and disease resistance. Here, we assess the impact of parental rearing density on offspring resistance to viral challenge in an insect species expressing density-dependent prophylaxis (DDP); i.e. the adaptive increase in resistance or tolerance to pathogen infection in response to crowding. We quantified survival rates in larvae of the cotton leafworm (Spodoptera littoralis) from either gregarious- or solitary-reared parents following challenge with the baculovirus S. littoralis nucleopolyhedrovirus. Larvae from both the parental and offspring generations exhibited DDP, with gregarious-reared larvae having higher survival rates post-challenge than solitary-reared larvae. Within each of these categories, however, survival following infection was lower in those larvae from gregarious-reared parents than those from solitary-reared, consistent with a transgenerational cost of DDP immune upregulation. This observation demonstrates that crowding influences lepidopteran disease resistance over multiple generations, with potential implications for the dynamics of host–pathogen interactions.
Ecosystem resilience and pest resistance in Eucalyptus plantations is driven by understorey complexity due to forest management
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Figure 3 in Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)
Figure 3 Dendrogram of cluster analysis based on the Euclidean distance and grouping by UPGMA regarding the number of healthy and bored internodes, gallery length, and infestation intensity by Diatraea saccharalis in grain sorghum hybrids.
Figure 4 in Multiple resistance to primary pests of grain sorghum hybrids: Spodoptera frugiperda (Lepidoptera: Noctuidae), Diatraea saccharalis (Lepidoptera: Crambidae), and Diceraeus melacanthus (Hemiptera: Pentatomidae)
Figure 4 Dendrogram of cluster analysis based on the Euclidean distance and grouping by UPGMA regarding scores of damage by Diceraeus melacanthus in grain sorghum hybrids at 12, 19, and 26 days after infestation.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.