File:Carbón volador de la avena Ustilago avenae.jpg
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Summary
[edit]DescriptionCarbón volador de la avena Ustilago avenae.jpg |
Provoca un carbón desnudo. Los soros pulverulentos pardo verdusco oscuros sustituyen a los granos El hongo se desarrolla en la superficie de la semilla y no dentro , el patógeno se activa cuando la semilla infectada germina, y se extiende hacia el punto de la planta en crecimiento. Al igual que con el trigo y la cebada los granos infectados son completamente reemplazados por el hongo y no es evidente hasta que las espigas muestran los granos La espiga producida por la planta infectada contiene masas de esporas negras en lugar del grano. Las esporas se propagan fácilmente por el viento a las plantas sanas vecinas Puede producir la muerte de la plántulas
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Date | |
Source | Carbón volador de la avena * Ustilago avenae |
Author | jacinta lluch valero from madrid * barcelona...., (España-Spain) |
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This image was originally posted to Flickr by jacilluch at https://flickr.com/photos/70626035@N00/17850644338. It was reviewed on 26 July 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
26 July 2016
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current | 10:51, 26 July 2016 | 4,000 × 3,000 (2.88 MB) | Gwyran (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot G9 |
Exposure time | 1/500 sec (0.002) |
F-number | f/5.6 |
ISO speed rating | 100 |
Date and time of data generation | 20:58, 15 May 2015 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 14:13, 24 May 2015 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 20:58, 15 May 2015 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 8.96875 |
APEX aperture | 4.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Center weighted average |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 4,000 px |
Image height | 3,000 px |
Date metadata was last modified | 16:13, 24 May 2015 |