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123 results for “Mildew”
FIGURE 1 in A new species of Podosphaera sect. Sphaerotheca subsect. Sphaerotheca from India-first report of powdery mildew causing wilting and ultimately death of leaves of Filipendula vestita
FIGURE 1. Symptoms on Filipendula vestita a. Host plants in natural habitat. b. Wilting and drying symptom in upper younger leaves. c. Symptom on lower surface of leaf. d. Black cleistothecia on the lower surface of leaf. e. Symptom on upper surface of leaf. f. Heavily infected lower leaf surface. Scale bars: c, d = 5 mm, e = 10 mm, f = 5 mm.
Data from 36 fungicide trials on grape downy mildew across Europe 2012-2019
<p>The data set comprises records of disease incidence and yield from untreated and treated plots.</p> <p>The data is provided as both a tab-separated text file and a binary R data file. The R files provides code to read and plot the data. The plot produced is also provided as a PNG file.</p> <p>The field trials were conducted by BASF, Germany.</p> <p><em>Details</em><br> The PlantPart column refers to leaves (LEAF), inflorescences (RACEME) and grape clusters (FRUIT). The disease (GDM) was assessed by two methods (Method column), designated P%FREQ and P%INF:<br> • P%INF: Intensity of attack was obtained as a visual estimation of the percentage of each plant part (leaf, raceme or grape cluster) affected by disease.<br> • P%FREQ: Frequency of attack was obtained as the number of infected plant parts (leaf, raceme or grape cluster). The frequency was expressed as a percentage of the number sampled.</p> <p> </p>
A kinase fusion protein from Aegilops longissima confers resistance to wheat powdery mildew
<p>Many disease resistance genes have been introgressed into wheat from its wild relatives. However, reduced recombination within the introgressed segments hinders cloning of the introgressed genes. Here, we report the identification of wheat powdery mildew resistance gene <em>Pm13</em> originated from from <em>Aegilops longissima</em> using a method combining physical mapping with radiation-induced chromosomal aberrations and transcriptome sequencing analysis of ethyl methanesulfonate (EMS)-induced loss-of-function mutants. <em>Pm13</em> encodes a kinase fusion protein, designated MLKL-K, with an N-terminal domain of mixed lineage kinase domain-like protein (MLKL_NTD domain) and a C-terminal serine/threonine kinase domain bridged by a brace. The resistance function of <em>Pm13</em> is validated by transient and stable transgenic complementation assays. Transient over-expression analyses in <em>Nicotiana benthamiana</em> leaves and wheat protoplasts reveal that the fragment Brace-Kinase<sub>122-476</sub> of MLKL-K is capable of inducing cell death, which is dependent on a functional kinase domain and the three α-helices in the brace region close to the N-terminus of the kinase domain.</p>
Wheat Powdery Mildew Image Dataset
<p>The dataset consists of wheat leaf images collected using a mobile phone, specifically focused on capturing diseased areas. These images are annotated with labels indicating the presence of diseases, suitable for training and testing a YOLO (You Only Look Once) object detection model. The labeled dataset aims to enable the model to accurately identify and classify diseased regions in similar images.</p> <h2>Description of the data and file structure</h2> <h4>1. Images Folder:</h4> <ul> <li> <p>Structure: The Images folder contains three subfolders: train, test, and val. Each subfolder contains image files in formats such as JPEG or PNG.</p> </li> <ul> <li> <p>train: Contains images used for training the YOLO model.</p> </li> <li> <p>test: Contains images used for testing the model's performance.</p> </li> <li> <p>val: Contains images used for validating the model during training, helping to tune hyperparameters and prevent overfitting.</p> </li> </ul> </ul> <h4>2. Labels Folder:</h4> <ul> <li> <p>Structure: The Labels folder mirrors the structure of the Images folder, with subfolders named train, test, and val. Each subfolder contains YOLO-format label files.</p> </li> <ul> <li> <p>train: Contains label files corresponding to the training images.</p> </li> <li> <p>test: Contains label files for the testing images.</p> </li> <li> <p>val: Contains label files for the validation images.</p> </li> </ul> </ul> <h4>3. YOLO Label Format:</h4> <ul> <li> <p>Contents: Each label file corresponds to an image and contains information in the YOLO format, which includes:</p> </li> <ul> <li> <p>Class ID: An integer representing the class label (e.g., a specific disease).</p> </li> <li> <p>Bounding Box Coordinates: Four numbers representing the center x, center y, width, and height of the bounding box, all normalized between 0 and 1.</p> </li> <li> <p>File Naming Convention: The label files are named identically to their corresponding images, except for the file extension (e.g., image1.jpg and image1.txt).</p> </li> </ul> </ul> <h4>4. Usage and Application:</h4> <ul> <li> <p>Model Training and Validation: The dataset can be used to train and validate YOLO object detection models. The clear separation into train, test, and validation sets supports robust model evaluation and helps prevent data leakage.</p> </li> <li> <p>Model Testing: The test set is used to evaluate the model's performance on unseen data, providing an unbiased measure of its generalization capability.</p> </li> <li> <p>Model Tuning: The validation set helps fine-tune model parameters and assess performance during the training process.</p> </li> </ul>
FIGURE 5. Asterostomella coccineae. A. Infected leaf. B. Mycelial colony. C. Pycnothyria. D. Conidia. E. Mycelial colony with pycnothyria. F in New teleomorphic and anamorphic taxa of Asterinaceous black mildew from Western coast of India
FIGURE 5. Asterostomella coccineae. A. Infected leaf. B. Mycelial colony. C. Pycnothyria. D. Conidia. E. Mycelial colony with pycnothyria. F. Conidia. Illustrated by Pratik D. Natekar.
FIGURE 3. Asterostomella wrightiae. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Pycnothyria. E. Conidia. F. Mycelial colony with pycnothyria. G in New teleomorphic and anamorphic taxa of Asterinaceous black mildew from Western coast of India
FIGURE 3. Asterostomella wrightiae. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Pycnothyria. E. Conidia. F. Mycelial colony with pycnothyria. G. Conidia. Illustrated by Pratik D. Natekar.
FIGURE 4. Asterostomella salaciae. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Pycnothyria. E. Conidia. F. Mycelial colony with pycnothyria. G in New teleomorphic and anamorphic taxa of Asterinaceous black mildew from Western coast of India
FIGURE 4. Asterostomella salaciae. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Pycnothyria. E. Conidia. F. Mycelial colony with pycnothyria. G. Conidia. Illustrated by Pratik D. Natekar.
FIGURE 1. Asterina dysoxyli. A. Infected leaf. B. Mycelial colony. C. Thyriothecium. D. Asci. E. Ascospores. F. Conidia. G. Mycelial colony with thyriothecium. H. Ascus. I. Ascospores. J in New teleomorphic and anamorphic taxa of Asterinaceous black mildew from Western coast of India
FIGURE 1. Asterina dysoxyli. A. Infected leaf. B. Mycelial colony. C. Thyriothecium. D. Asci. E. Ascospores. F. Conidia. G. Mycelial colony with thyriothecium. H. Ascus. I. Ascospores. J. Conidia. Illustrated by Pratik D. Natekar.
FIGURE 2. Asterina mallotii. A. Infected leaf. B. Mycelial colony. C. Thyriothecium. D. Asci. E. Ascospores. F. Conidia. G. Mycelial colony with thyriothecia. H. Ascus. I. Ascospores. J in New teleomorphic and anamorphic taxa of Asterinaceous black mildew from Western coast of India
FIGURE 2. Asterina mallotii. A. Infected leaf. B. Mycelial colony. C. Thyriothecium. D. Asci. E. Ascospores. F. Conidia. G. Mycelial colony with thyriothecia. H. Ascus. I. Ascospores. J. Conidia. Illustrated by Pratik D. Natekar.
FIGURE 2 in Two new records of Meliolaceous black mildew fungi from India
FIGURE 2. Meliola holarrhenicola; A. Infected leaves. B. Mycelial colony. C. Appressoriate mycelium with phialides. D. Perithecial setae. E. Perithecium. F. Ascospores.
FIGURE 1. Asteridiella leeicola. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Phialides. E. Perithecia. F in Two new records of Meliolaceous black mildew fungi from India
FIGURE 1. Asteridiella leeicola. A. Infected leaf. B. Mycelial colony. C. Appressoriate mycelium. D. Phialides. E. Perithecia. F. Ascospores.
FIGURE 3 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 3. Phylogenetic relationships between Erysiphe lespedezae on Bauhinia blakeana and B. purpurea, including Pseudoidium caesalpiniacearum, and some reference data retrieved from GenBank, inferred by the Maximum likelihood (ML) and Bayesian inference (BI) methods using the combined ITS and 28S rDNA sequences. Isolates in this study and type material (HAL 1430) are shown in bold. The RAxML bootstrap support values (MLBS)>50% and Bayesian posterior probabilities (BPP)>0.90 are given at the nodes (MLBS/ BPP). Some branches were shortened to fit them to the page, and these are indicated by two diagonal lines with the number of times a branch was shortened indicated next to the lines. Scale bar indicates the number of substitutions per site.
FIGURE 2 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 2. Erysiphe lespedezae on Bauhinia purpurea (HMUT 7042). A–C, Conidiophores; D, Conidia; E–F, Hypha with appressoria (arrows); G–H, Conidia with a short false chain (arrows). Bar: A–F= 20 μm; G–H= 40 μm.
FIGURE 1 in Powdery mildew caused by Erysiphe lespedezae (including Pseudoidium caesalpiniacearum, syn. nov.) on Bauhinia blakeana and B. purpurea in China
FIGURE 1. Symptoms of powdery mildew on Bauhinia blakeana and B. purpurea, caused by Erysiphe lespedezae. A, On flower buds of B. blakeana; B, On flower buds of B. purpurea; C, On fruit of B. purpurea; D–E, On leaves of B. blakeana.
FIGURE 4 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 4. Erysiphe ulmi from Ulmus sp., Germany (R. Kirschner 4674). a Hyphae and appressoria. b Conidiophores. c Conidia, surface ornamentation indicated in the left conidium. d Germinating conidia. e, f Appendages of ascoma. g Ascus. h Ascospores. Scale bars: a, f = 10 μm, others = 20 μm.
FIGURE 3 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 3. Teleomorph of Erysiphe parvifoliae on Ulmus parvifolia (R. Kirschner 4572). a Squashed ascoma with appendages. b Two appendages of ascoma. c Four asci exposed from a squashed ascoma. d Ascospores. Scale bars: 50 µm.
FIGURE 2 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 2. Erysiphe parvifoliae on Ulmus parvifolia (R. Kirschner 4572). a Powdery mildew symptoms on leaves. b Hyphae and appressoria. c Conidiophores. d Conidia, surface ornamentation indicated in the right conidium. e Germinating conidium. Scale bars: a = 10 µm, others = 20 µm.
FIGURE 1 in A new species of the elm powdery mildew species complex (Erysiphaceae) on Chinese elm (Ulmus parvifolia) in East Asia segregated from Erysiphe ulmi
FIGURE 1. Unrooted maximum likelihood tree showing estimated relationships of Erysiphe parvifoliae among closely related species based on ITS sequences. Erysiphe ulmariae served as outgroup. Bootstrap values above 60% (1,000 replicates) indicated at the nodes.
FIGURE 1 in New species of Asterina and Balladyna (black mildew fungi) from Mahabaleshwar, Maharashtra, India
FIGURE 1. Illustration of Asterina rubiacearum M.R. Bhise, C.R. Patil, C.B. Salunkhe & S.V. Kambhar. (A) Infected Leaf, (B) Mycelial Colony with thyriothecia, (C) & (G) Appressoriate mycelium, (D) & (H) Part of thyriothecium, (E) & (I) Ascus, (F) & (J) Ascospores. Illustrated by Mahendra R. Bhise
FIGURE 2 in New species of Asterina and Balladyna (black mildew fungi) from Mahabaleshwar, Maharashtra, India
FIGURE 2. Illustration of Balladyna canthiigena M.R. Bhise, C.R. Patil, C.B. Salunkhe & S.V. Kambhar. Balladyna canthiigena. (A) Infected Leaves, (B) Mycelial Colony with perithecia, (C) & (H) Appressoriate mycelium, (D) Perithecium, (E) & (I) Mycelial setae, (F) Ascus, (G) & (J) Ascospores. Illustrated by Mahendra R. Bhise
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.