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11 results for “Tetranychus evansi”
Figure 1 in First record of two insects preying on the red tomato spider mite Tetranychus evansi (Acari: Tetranychidae) in Latakia governorate, Syria
Figure 1 Life stages ofStethorus gilvifrons feeding on all developmental stages ofTetranychus evansi: A – Larva feeding on adult; B – Pupa; C – Adult feeding on eggs; D – Adult feeding on nymph.
Data from: Tetranychus evansi spider mite populations suppress tomato defences to varying degrees
<p>Plant defence suppression is an offensive strategy of herbivores, in which they manipulate plant physiological processes to increase their performance. Paradoxically, defence suppression does not always benefit the defence-suppressing herbivores, because lowered plant defences can also enhance the performance of competing herbivores and can expose herbivores to increased predation. Suppression of plant defence may therefore entail considerable ecological costs depending on the presence of competitors and natural enemies in a community. Hence, we hypothesize that the optimal magnitude of suppression differs among locations. To investigate this, we studied defence suppression across populations of Tetranychus evansi spider mites, a herbivore from South America that is an invasive pest of solanaceous plants including cultivated tomato, Solanum lycopersicum, in other parts of the world. We measured the level of expression of defence marker genes in tomato plants after infestation with mites from eleven different T. evansi populations. These populations were chosen across a range of native (South American) and non-native (other continents) environments and from different host plant species. We found significant variation at three out of four defence marker genes, demonstrating that T. evansi populations suppress jasmonic acid- and salicylic acid-dependent plant signalling pathways to varying degrees. While we found no indication that this variation in defence suppression was explained by differences in host plant species, invasive populations tended to suppress plant defence to a smaller extent than native populations. This may reflect either the genetic lineage of T. evansi - as all invasive populations we studied belong to one linage and both native populations to another - or the absence of specialized natural enemies in invasive T. evansi populations.</p>
Data for: Intraspecific variation for host immune activation by the spider mite Tetranychus evansi
<p>Many parasites can interfere with their host's defences to maximize their fitness. Here, we investigated if there is heritable variation in the spider mite <em>Tetranychus</em> <em>evansi</em> for traits associated with how they interact with their host plant. We also determined if this variation correlates with mite fecundity. <em>Tetranychus</em> <em>evansi</em> can interfere with jasmonate (JA) defences which are the main determinant of anti-herbivore immunity in plants. We investigated (i) variation in fecundity in the presence and absence of JA defences, making use of a wild-type tomato cultivar and a JA-deficient mutant (<em>defenseless</em>-<em>1</em>), and (ii) variation in the induction of JA defences, in four <em>T. evansi</em> field populations and 59 inbred lines created from an outbred population originating from controlled crosses of the four field populations. We observed a strong positive genetic correlation between fecundity in the presence (on wild-type) and the absence of JA defences (on <em>defenseless</em>-<em>1</em>). However, fecundity did not correlate with the magnitude of induced JA defences in wild-type plants. Our results suggest that the performance of the specialist <em>T. evansi</em> is not related to their ability to manipulate plant defences, either because all lines can adequately reduce levels of defences, or because they are resistant to them.</p>
Data for: Intraspecific variation for host immune activation by the spider mite Tetranychus evansi
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Data from: Tetranychus evansi spider mite populations suppress tomato defences to varying degrees
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FIGURE 2 in Surveys for natural enemies of the tomato red spider mite Tetranychus evansi (Acari: Tetranychidae) in northeastern and southeastern Brazil
FIGURE 2: Number and species of predatory mites found on solanaceous plants in northeastern Brazil, A. during the rainy season; B. during the dry season.
FIGURE 1 in Surveys for natural enemies of the tomato red spider mite Tetranychus evansi (Acari: Tetranychidae) in northeastern and southeastern Brazil
FIGURE 1. Survey points in northeastern (thickblack boundaries) and southeastern (grey boundaries) Brazil.
FIGURE 3 in Surveys for natural enemies of the tomato red spider mite Tetranychus evansi (Acari: Tetranychidae) in northeastern and southeastern Brazil
FIGURE 3: Number and species of predatory mites found on solanaceous plants in southeastern Brazil A. during the rainy season; B. during the dry season.
Cultivar-Specific Responses of Tomato Essential Oils to Tomato Red Spider Mite (Tetranychus evansi): Implications for Pest Management
<p>The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p>License: The dataset is made available under the Creative Commons Attribution 4.0 International License.The dataset contains comprehensive experimental data and analytical results from a study conducted to explore the interaction between tomato essential oils and the tomato red spider mite (<em>T. evansi</em>). The study involved essential oils extracted from seven distinct tomato accessions (<em>Solanum lycopersicum L.</em>), namely accessions 1 (money maker), 13 (marglobe), 51 (PI 134417), 162 (JKUAT 22/202183), 182 (JKUAT 19), 428 (LA 2185), and 460 (LO 3279). The dataset encompasses the following components:</p> <ol> <li><strong>Essential Oil Extraction Data:</strong> Details of the steam distillation process used to extract essential oils from each tomato accession, including extraction time and yield.</li> <li><strong>Spider Mite Response Data:</strong> Results from Y-tube olfactometer and glass slide bioassays measuring the response of <em>T. evansi</em> to essential oils from different accessions. Responses include attraction, repulsion, or neutrality.</li> <li><strong>Gas Chromatography/Mass Spectrometry (GC/MS) Analysis:</strong> Analytical data presenting the chemical composition of volatile compounds released by the essential oils. Quantitative and qualitative variations among accessions are documented, highlighting key compounds influencing mite behavior.</li> <li><strong>Statistical Analysis:</strong> Statistical tests conducted to assess significant differences in mite responses to various essential oil concentrations and accessions.</li> <li><strong>Visualizations:</strong> Graphs, charts, and figures representing mite behavior responses, essential oil composition variations, and concentration-related effects.</li> </ol> <p>The dataset contributes valuable information to the field of natural pest management and plant-arthropod interactions. Researchers, agronomists, and entomologists interested in understanding the potential of essential oils for pest control and the importance of phytochemical diversity in pest behavior modulation will find this dataset beneficial for further analysis and validation.</p> <p>By accessing this dataset, researchers can delve into the intricate relationship between tomato essential oils and the behavior of the tomato red spider mite, paving the way for innovative approaches to mitigate pest damage and enhance crop productivity.</p> <p> </p>
Data from: Detection of genetic incompatibilities in non-model systems using simple genetic markers: hybrid breakdown in the haplodiploid spider mite Tetranychus evansi
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Whole genome tomato transcriptional response to Tetranychus evansi herbivory.
GEO Series GSE227740. Solanum lycopersicum. 6 samples. Type: Expression profiling by array.
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