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Colorado State University is one of our nation's leading research universities with world-class research in infectious disease, atmospheric science, clean energy technologies, and environmental science. It was founded in 1870 as the Colorado Agricultural College, six years before the Colorado Territory became a state. Colorado State University, located in Fort Collins, Colorado, is situated on nearly 5,000 acres of land, including the main campus, a foothills campus, an agricultural campus, and a mountain campus (Pingree Park). Colorado State also has 4,600 acres for research centers, Cooperative Extension offices, and Colorado State Forest Service stations. |
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| 128 Images of 23 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5367586 | Iris Yellow Spot Virus | Tospovirus IYSV | A volunteer onion plant in a field corn field showing symptoms of Iris Yellow Spot Virus infection. |
| 5360060 | sugarcane | Saccharum officinarum | Prescribed burning of a sugarcane field at Cauca Valley in Colombia. |
| 5360345 | apple | Malus domestica | An old apple orchard removed as part of an orchard management practice. |
| 5367606 | cultivation | Roller harrow in action, preparing a field for planting onions. | |
| 5364532 | people | Portable sanitary toilet facility for use by laborers while working in the field. | |
| 5365336 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5362864 | Colorado potato beetle | Leptinotarsa decemlineata | Eggs of the Colorado potato beetle (Leptinotarsa decemlineata) on the underside of a black nightshade leaf (Solanum nigrum). |
| 5362824 | common sunflower | Helianthus annuus | Common sunflower (Helianthus annuus) growing as a weed. |
| 5364566 | cabbage collards and kale | Brassica oleracea | Cabbage plant in flower, growing as a weed in a carrot field. |
| 5362981 | rust | Puccinia aristidae | Lambsquarters (Chenopodium album) showing symptoms of spinach red rust (Puccinia aristidae). |
| 5362980 | rust | Puccinia aristidae | Lambsquarters (Chenopodium album) showing symptoms of spinach red rust (Puccinia aristidae). |
| 5362979 | rust | Puccinia aristidae | Lambsquarters (Chenopodium album) showing symptoms of spinach red rust (Puccinia aristidae). |
| 5359305 | cabbage collards and kale | Brassica oleracea | A variety of weed species growing among cabbage plants in a field. |
| 5358375 | prescribed fire | Weeds burning by a roadside. | |
| 5357321 | Colorado potato beetle | Leptinotarsa decemlineata | Colorado potato beetles (Leptinotarsa decemlineata) on a volunteer potato plant. |
| 5357267 | prescribed fire | Debris from burned grass resulting from burning a ditch to control weeds. | |
| 5357266 | prescribed fire | Burned grass clump resulting from burning a ditch to control weeds. | |
| 5357265 | prescribed fire | Burned grass clump resulting from burning a ditch to control weeds. | |
| 5357248 | rust | Puccinia helianthi | Close-up view of the aecium of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5357247 | rust | Puccinia helianthi | Close-up view of the pycnium of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5357246 | rust | Puccinia helianthi | Close-up view of the sexual spores of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5357245 | rust | Puccinia helianthi | Sexual spores of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5357244 | rust | Puccinia helianthi | Sexual spores of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5357243 | rust | Puccinia helianthi | Sexual spores of sunflower red rust (Puccinia helianthi) on a volunteer sunflower plant (Helianthus annuus). |
| 5362504 | Colorado potato beetle | Leptinotarsa decemlineata | Colorado potato beetle (Leptinotarsa decemlineata) and damage on a volunteer potato plant growing in a field of corn. |
| 5362503 | early blight | Alternaria solani | Symptoms of early blight (Alternaria solani) on a volunteer potato plant growing in field corn. |
| 5362502 | early blight | Alternaria solani | Symptoms of early blight (Alternaria solani) on a volunteer potato plant growing in field corn. |
| 5362501 | potato | Solanum tuberosum | Volunteer potato plant growing as a weed in field corn, a potential disease reservoir for early blight of potato (Alternaria solani). |
| 5359320 | corn | Zea mays | Stalks and debris remaining in the field after the harvest of field corn. |
| 5365984 | common wheat | Triticum aestivum | Burning crop residue after harvest in a wheat field. |
| 5365982 | common wheat | Triticum aestivum | Burning crop residue after harvest in a wheat field. |
| 5365983 | common wheat | Triticum aestivum | Burning crop residue after harvest in a wheat field. |
| 5365981 | common wheat | Triticum aestivum | Burning crop residue after harvest in a wheat field. |
| 5365980 | common wheat | Triticum aestivum | Distant view of a wheat field being burned after harvest. |
| 5363579 | common wheat | Triticum aestivum | Burned wheat stubble near Yuma, Colorado. |
| 5358430 | cereal rye | Secale cereale | Volunteer wild rye plants (Secale cereale) growing as weeds in a field of winter wheat. |
| 5358369 | cereal rye | Secale cereale | Volunteer wild rye plants (Secale cereale) growing as weeds in a field of winter wheat. |
| 5358368 | cereal rye | Secale cereale | Volunteer wild rye plants (Secale cereale) growing as weeds in a field of winter wheat. |
| 5357242 | rust | Puccinia helianthi | Sexual spores of rust (Puccinia helianthi) on a volunteer sunflower plant growing as a weed in a field of winter wheat. |
| 5357241 | common sunflower | Helianthus annuus | Volunteer sunflower plants growing as weeds in a field of winter wheat. |
| 5365381 | common bean | Phaseolus vulgaris | Volunteer dry bean plant growing as a weed in a corn field. |
| 5365380 | common bean | Phaseolus vulgaris | Volunteer dry bean plants growing as weeds in an alfalfa field. |
| 5365379 | common bean | Phaseolus vulgaris | Dry bean plant growing as a weed in an alfalfa field. |
| 5365378 | common bean | Phaseolus vulgaris | Volunteer dry beans growing in an alfalfa field. |
| 5365348 | dry bean rust | Uromyces appendiculatus | Pycnia of rust (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365346 | dry bean rust | Uromyces appendiculatus | Aecia of bean rust (Uromyces appendiculatus) on the stems of volunteer dry bean plants. |
| 5365347 | dry bean rust | Uromyces appendiculatus | Rust pycnium (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365345 | dry bean rust | Uromyces appendiculatus | Aecia of bean rust (Uromyces appendiculatus) on the leaves of volunteer dry bean plants. |
| 5365344 | dry bean rust | Uromyces appendiculatus | Aecium of bean rust (Uromyces appendiculatus) on the petiole of a volunteer dry bean plant. |
| 5365343 | dry bean rust | Uromyces appendiculatus | Aecia and pycnia of bean rust (Uromyces appendiculatus) on the leaves and stem of a volunteer dry bean plant. |
| 5365342 | dry bean rust | Uromyces appendiculatus | Rust (Uromyces appendiculatus) aecia and pycnia on the leaves of a volunteer dry bean plant. |
| 5365341 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365340 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365339 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365338 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365337 | dry bean rust | Uromyces appendiculatus | Rust pycnium (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365334 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365335 | dry bean rust | Uromyces appendiculatus | Rust pycnia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365332 | dry bean rust | Uromyces appendiculatus | Rust aecium (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5365333 | dry bean rust | Uromyces appendiculatus | Rust aecia (Uromyces appendiculatus) on the leaf of a volunteer dry bean plant. |
| 5361611 | toothed spurge | Euphorbia dentata | View of the underside of a leaf of toothed spurge (Euphorbia dentata), showing symptoms of rust. The plant is growing as a weed in a field of dry beans. |
| 5363970 | Cyathus fungus | Cyathus stercoreus | Saprophytic bird's nest fungus (probably Cyathus sp.) growing in the soil of a bean field. |
| 5363971 | mushrooms | Small saprophytic fungus growing on the surface of the soil in a bean field, with debris remaining from the previous crop. | |
| 5363945 | dry bean rust | Uromyces appendiculatus | Aecia of rust (Uromyces appendiculatus) on the leaf of a volunteer bean plant. |
| 5363869 | common bean | Phaseolus vulgaris | Grading a sample of dry beans at the elevator. |
| 5362800 | common bean | Phaseolus vulgaris | Field inspection of dry beans, post-flowering, in order to certify the seed produced. |
| 5362799 | common bean | Phaseolus vulgaris | Field inspection of dry beans, post-flowering, in order to certify the seed produced. |
| 5362589 | common bean | Phaseolus vulgaris | Volunteer corn plant growing in a field of dry beans. |
| 5361404 | dry bean rust | Uromyces appendiculatus | Leaves of volunteer bean plants infected with young and mature uredia of bean rust. |
| 5361403 | dry bean rust | Uromyces appendiculatus | Stem of a volunteer bean plant infected with the pycnia and aecia of bean rust. |
| 5361402 | dry bean rust | Uromyces appendiculatus | Leaves of volunteer bean plants infected with the pycnia, aecia, and uredia of bean rust. |
| 5361401 | common bean | Phaseolus vulgaris | Volunteer bean plants on the edge of a field of winter wheat - a potential source of the carrying over of bean diseases. |
| 5361396 | Sclerotinia rot | Sclerotinia sclerotiorum | Debris from screenings of culled beans, with sclerotia of white mold (Sclerotinia sclerotiorum) mixed among them. |
| 5360216 | common bean | Phaseolus vulgaris | Burning crop debris on a field near Popayan in Mexico. |
| 5359562 | common sunflower | Helianthus annuus | Sunflower plant (Helianthus annuus) growing as a volunteer or weed in a field of dry beans. |
| 5359561 | common sunflower | Helianthus annuus | Sunflower plant (Helianthus annuus) growing as a volunteer or weed in a field of dry beans. |
| 5358392 | common bean | Phaseolus vulgaris | Volunteer bean plant and residual debris - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358391 | common bean | Phaseolus vulgaris | Volunteer bean plants and residual debris - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358390 | common bean | Phaseolus vulgaris | Volunteer bean plants and residual debris - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358389 | common bean | Phaseolus vulgaris | Volunteer bean plants and debris left from the previous crop - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358388 | common bean | Phaseolus vulgaris | Volunteer bean plants, a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358387 | common bean | Phaseolus vulgaris | Volunteer bean plants in field corn - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358386 | dry bean rust | Uromyces appendiculatus | Volunteer bean plants in field corn - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358385 | common bean | Phaseolus vulgaris | Volunteer bean plants in a new crop of dry beans - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5358383 | common bean | Phaseolus vulgaris | Scouting a field of winter wheat in search of volunteer dry bean plants. |
| 5358382 | common bean | Phaseolus vulgaris | Scouting a field of winter wheat in search of volunteer dry bean plants. |
| 5357175 | common bean | Phaseolus vulgaris | Debris remaining in the field after harvest of dry beans, which could result in volunteer plants and disease carryover the following year. |
| 5357174 | common bean | Phaseolus vulgaris | Debris remaining in a bean field after harvest, which could result in volunteer plants and a carryover of disease organisms. |
| 5357173 | common bean | Phaseolus vulgaris | Seeds and debris remaining in a bean field after harvest, which could result in sprouting of volunteer plants and carryover of diseases. |
| 5359968 | garden onion | Allium cepa | Onion culls piled in a heap following harvest and sorting. |
| 5359969 | garden onion | Allium cepa | Onion culls spread in waste area following harvesting and sorting. |
| 5359970 | garden onion | Allium cepa | A pile of culled red onions discarded in the field. |
| 5362318 | garden onion | Allium cepa | Herbicide was applied to control volunteer field corn plants growing among onions. |
| 5362317 | garden onion | Allium cepa | Volunteer potato plant growing as a weed among onions. |
| 5367604 | garden onion | Allium cepa | Roller harrow to be used in preparing a field for planting onions. |
| 5367609 | garden onion | Allium cepa | Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow |
| 5367608 | garden onion | Allium cepa | Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow |
| 5367607 | garden onion | Allium cepa | Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow |
| 5367605 | garden onion | Allium cepa | Iris Yellow Spot Virus, onion, field preparation, equipment, tractor, roller harrow |
| 5367594 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in a field of carrots, a potential reservoir for the Iris Yellow Spot Virus. |
| 5367593 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in a field of carrots, a potential reservoir for the Iris Yellow Spot Virus. |
| 5367592 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in a field of carrots, a potential reservoir for the Iris Yellow Spot Virus. |
| 5367591 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in a field of carrots, a potential reservoir for the Iris Yellow Spot Virus. |
| 5367589 | Iris Yellow Spot Virus | Tospovirus IYSV | David Gent and Jillian Lang, scouting a field of corn for volunteer onion plants that could be harboring Iris Yellow Spot Virus. |
| 5367590 | Iris Yellow Spot Virus | Tospovirus IYSV | David Gent, scouting a field of corn for volunteer onion plants that could harbor Iris Yellow Spot Virus. |
| 5367588 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus on a volunteer onion plant in a corn field. |
| 5367587 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in field corn, showing symptoms of Iris Yellow Spot Virus. |
| 5367585 | Iris Yellow Spot Virus | Tospovirus IYSV | Volunteer onion plant in field corn, showing symptoms of Iris Yellow Spot Virus. |
| 5367584 | Iris Yellow Spot Virus | Tospovirus IYSV | Weeds and volunteer onion plants adjacent to agricultural fields - a potential reservoir for Iris Yellow Spot Virus. |
| 5367583 | Iris Yellow Spot Virus | Tospovirus IYSV | Weeds and volunteer onion plants adjacent to agricultural fields - a potential reservoir for Iris Yellow Spot Virus. |
| 5367582 | Iris Yellow Spot Virus | Tospovirus IYSV | Weeds and volunteer onion plants, a potential reservoir for Iris Yellow Spot Virus. |
| 5367581 | Iris Yellow Spot Virus | Tospovirus IYSV | Weeds and volunteer onion plants adjacent to an agricultural field, a potential reservoir for Iris Yellow Spot Virus. |
| 5367580 | Iris Yellow Spot Virus | Tospovirus IYSV | Jillian Lang, scouting an alfalfa field, finds a volunteer onion plant infected with Iris Yellow Spot Virus. |
| 5367579 | Iris Yellow Spot Virus | Tospovirus IYSV | David Gent, scouting an alfalfa field, finds a volunteer onion plant infected with Iris Yellow Spot Virus. |
| 5367578 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in an alfalfa field. |
| 5367577 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in an alfalfa field. |
| 5367576 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in an alfalfa field. |
| 5367575 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in an alfalfa field. |
| 5367574 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in an alfalfa field. |
| 5367572 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367571 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367570 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367569 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367568 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367567 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367566 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant in a dry bean field. |
| 5367565 | Iris Yellow Spot Virus | Tospovirus IYSV | Symptoms of Iris Yellow Spot Virus found in a volunteer onion plant. |
| 5367564 | garden onion | Allium cepa | Volunteer onion plant in a field of dry beans - a potential reservoir or source for Iris Yellow Spot Virus. |
