| 5367606 |
cultivation |
|
Roller harrow in action, preparing a field for planting onions. |
| 5362824 |
common sunflower |
Helianthus annuus |
Common sunflower (Helianthus annuus) growing as a weed. |
| 5364442 |
hairy vetch |
Vicia villosa |
Seeds of hairy vetch (Vicia villosa). |
| 5357321 |
Colorado potato beetle |
Leptinotarsa decemlineata |
Colorado potato beetles (Leptinotarsa decemlineata) on a volunteer potato plant. |
| 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). |
| 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. |
| 5363749 |
alfalfa |
Medicago sativa |
Cutting alfalfa during rotation with field corn. |
| 5363970 |
Cyathus fungus |
Cyathus stercoreus |
Saprophytic bird's nest fungus (probably Cyathus sp.) growing in the soil of a bean field. |
| 5363969 |
mushrooms |
|
Small saprophytic fungus growing on the surface of the soil in a bean field, with debris remaining from the previous crop. |
| 5363971 |
mushrooms |
|
Small saprophytic fungus growing on the surface of the soil in a bean field, with debris remaining from the previous crop. |
| 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. |
| 5358386 |
dry bean rust |
Uromyces appendiculatus |
Volunteer bean plants in field corn - a potential source of infection with bean rust (Uromyces appendiculatus). |
| 5362318 |
garden onion |
Allium cepa |
Herbicide was applied to control volunteer field corn plants growing among onions. |
| 5362023 |
garden onion |
Allium cepa |
Onion harvest, rolled tops |
| 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 |