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20 results for “wild cotton”
Fig. 2. The 2019 in Wild bee pollinators foraging in peanut and cotton adjacent to native wildflower strips
Fig. 2. The 2019 mean (± SE) of bees per bee bowl captured in cotton and those with cotton pollen and unidentified pollen (= other) (a), and the mean (± SE) of bees per bee bowl captured in cotton with G. pulchella (IB), Monarda citriodora (mint), and Rudbeckia hirta (susan) (b).
Fig. 1. The 2018 in Wild bee pollinators foraging in peanut and cotton adjacent to native wildflower strips
Fig. 1. The 2018 mean (± SE) of bees per bee bowl captured in peanut and those with peanut pollen (a), and the mean (± SE) of bees per bee bowl captured in peanut with Gaillardia pulchella (IB), and both G. pulchella and peanut pollen (b).
Effects of soil salinity on the expression of direct and indirect defences in wild cotton (Gossypium hirsutum)
<p>Previous studies have reported effects of abiotic factors on herbivore-induced plant defences based on effects on single plant traits. However, plants commonly express multiple defences simultaneously and these traits are often correlated. Thus, a fuller understanding of abiotic-context dependency in plant defence requires measuring multiple traits and addressing their patterns of correlated expression.</p> <p>We evaluated the effects of soil salinity on the induction of direct (phenolic compounds, gossypol gland density) and indirect (volatile organic compounds, extrafloral nectar) defensive traits in wild cotton (Gossypium hirsutum). We asked whether soil salinity affects the induction of these traits, and whether it shapes trait correlations potentially underlying salinity effects on trait induction. We conducted a factorial experiment with 16 cotton genotypes where we manipulated soil salinity and defence induction by applying artificial leaf damage (25% mechanical damage and caterpillar oral secretions) and measured defence levels at different time points post-damage.</p> <p>Leaf damage induced most traits except gossypol gland density, whereas salinity did not have a mean effect (across constitutive and induced levels) on any of the measured traits. Nonetheless, salinity prevented the induction of phenolic compounds (condensed and hydrolysable tannins), and also affected trait correlations. Specifically, phenolic compounds were negatively associated with nectar production only under salinized conditions, an apparent trade-off that presumably affects the induced levels of phenolic compounds. In addition, positive correlations between phenolic compounds and gland density and root biomass observed under control conditions were lost under salinized conditions.</p> <p>By investigating the effects of soil salinity on the expression of multiple direct and indirect defensive traits and their underlying correlations, these findings build toward a better understanding of how abiotic context-dependency shapes plant allocation to and expression of multiple defensive traits.</p>
Effects of soil salinity on the expression of direct and indirect defences in wild cotton (Gossypium hirsutum)
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Fig. 4 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 4. Monoterpene composition of the two proposed cotton chemotypes. (a) Scatterplot of the relative abundance of the pinene group (α-Pinene + β-Pinene) against the relative abundance of the summed values of the γ-Terpinene group. (b) Representative chromatograms of plants belonging to chemotype classes A (upper panel) and B (lower panel). 1: (E)-2-Hexenal; 2: 2,4-Hexadienal (E,E); 3: α-Thujene; 4: α-Pinene; 5: Camphene; 6: Sabinene; 7: β-Pinene; 8: β-Myrcene; 9: α-Phellandrene; 10: α-Terpinene; 11: p-Cymene; 12: Limonene; 13: β-Phellandrene; 14: β-Ocimene; 15: γ-Terpinene; 16: Terpinolene; 17: Bornyl acetate; 18: γ-Elemene; 19: β-Caryophyllene; 20: α-Humulene; 21: Bicyclogermacrene. (c) visualisation of proportion of monoterpene compounds from panel (b), for each chemotype class.
Fig. 1 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 1. Map showing locations of the wild Gossypium hirsutum populations from which seeds were collected along the Yucatan Peninsula.
Fig. 3 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 3. Theorised monoterpenoid biosynthesis pathway. Compounds highlighted in blue comprise the γ-terpinene compound group, those highlighted in grey comprise the α-pinene compound group. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 5 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 5. Principal coordinate analysis on relative abundance of monoterpenes in plants grown from seed, showing samples separated based on their compositional similarity.
Fig. 6 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 6. Ridgeline plot showing the distribution of the summed values of the γ-terpinene compound group (γ-terpinene, limonene, α-thujene, α-terpinene, terpinolene, and p-cymene; as % relative to total monoterpenes in each plant). In order from top to bottom: the plots coloured red (Celestún) and orange (Sisal) are located at the west of the peninsula. The plot coloured yellow (Chicxulub) is in the centre, and the cream coloured plot (Coloradas) is located at the east of the peninsula. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Fig. 2 in Terpene chemotypes in Gossypium hirsutum (wild cotton) from the Yucatan Peninsula, Mexico
Fig. 2. Correlation analysis of all mono- and sesquiterpenes analysed in the wild Gossypium hirsutum plants. Red rectangles indicate highly supported groups of monoterpenes (approximately unbiased (AU) p <0.05). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: Recent long-distance transgene flow conforms to historical patterns of gene flow in wild cotton (Gossypium hirsutum) at its center of origin
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Data from: Effects of early-season insect herbivory on subsequent pathogen infection and ant abundance on wild cotton (Gossypium hirsutum)
1. Plant induced defences play an important role in mediating interactions between insects and pathogens. Yet, the plant traits underlying these effects, the extended consequences for higher trophic levels (i.e. predators), and the implications for plant growth and reproduction have received little attention. 2. Here we asked whether simulated early insect leaf damage on wild cotton (Gossypium hirsutum) affected subsequent damage by insect leaf chewers and pathogenic fungi, as well as ant abundance. To address the mechanisms behind such effects, we measured plant defensive traits induced by early leaf damage to determine which inducible traits might determine the effects on plant-associates. We also evaluated whether early damage influenced plant growth and flower production, and if such effects were mediated by subsequent insect herbivory or pathogen infection. 3. We show that simulated early leaf damage reduced damage by subsequent leaf-chewing insects, increased plant fungal infections, but did not affect ant abundance. Leaf defensive traits (lignins and pubescence) were significantly induced by early damage and were negatively associated with insect herbivory and infection severity, but did not account for the effects of early leaf damage on either of these subsequent attackers. In addition, ant abundance was not associated with (or accounted for) subsequent herbivory or infection, suggesting they did not confer plant protection. Finally, early leaf damage negatively affected plant growth and flower production and analyses suggested that the effect on the latter was, at least partly, mediated by increased fungal infections. 4. Synthesis: Overall, these findings show that early herbivory determines the outcome of cotton interactions with subsequent attackers, and such effects have an impact on plant growth and flower output.
Data from: Effects of early-season insect herbivory on subsequent pathogen infection and ant abundance on wild cotton (Gossypium hirsutum)
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Global analysis of gene expression in cotton fibers from wild and domesticated Gossypium barbadense
GEO Series GSE13022. Gossypium; Gossypium barbadense. 18 samples. Type: Expression profiling by array.
Gene expression in developing wild and domesticated fibers of Upland cotton (Gossypium hirsutum)
GEO Series GSE23517. Gossypium; Gossypium hirsutum. 30 samples. Type: Expression profiling by array.
cDNA array expression profile of wild-type and fl-mutant upland cotton ovules
GEO Series GSE2901. Gossypium hirsutum. 51 samples. Type: Expression profiling by array.
Comparative expression profiling of miRNA during anther development in genetic male sterile and wild type cotton [small RNA]
GEO Series GSE43531. Gossypium hirsutum. 6 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Comparative expression profiling of miRNA during anther development in genetic male sterile and wild type cotton [degradome]
GEO Series GSE43389. Gossypium hirsutum. 1 samples. Type: Non-coding RNA profiling by high throughput sequencing.
cDNA expression profiles of wild-type and fl-mutant upland cotton ovules during fiber initiation peroid
GEO Series GSE8443. Gossypium hirsutum. 44 samples. Type: Expression profiling by array.
cDNA expression profiles of +7 DPA wild-type upland cotton (Gossypium hirsutum cv. Xuzhou142) ovules over the one-year cycle
GEO Series GSE16802. Gossypium hirsutum. 32 samples. Type: Expression profiling by array.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.