Looks like Paraquat (Gramoxone) injury due to drift on corn. Paraquat does not move within the plant and only acts on tissue it contacts. Paraquat injury can be confused with injury caused by cell membrane disruptors or glufosinate
Downy mildew on cucumber in a Cucurbit sentinel plot near Montgomery Alabama. The disease is favored by wet, humid conditions. Angular, yellow spots form on the upper side of leaves, with a velvety grey fuzz on the corresponding lower leaf surface #Fungi#PlantDisease
The American Serpentine Leafminer (Liriomyza trifolii) is an important pest on a wide variety of hosts, but is most economically important on celery and chrysanthemums.
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Cucumber mosaic virus (CMV) on pepper. Common symptoms on leaves include a mottling/mosaic discoloration with a narrowing or “shoe-stringing” effect. Plants infected early are stunted with limited fruit production. CMV is transmitted by aphids in a non-persistent manner #Virus
Mealybugs are soft, waxy insects that feed on a wide variety of plants including grapes, trees, as well as indoor and and outdoor garden plants. They feed by piercing-sucking and can resemble soft scales, without the scale covering. Learn more...
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The Gypsy Moth is a pest of forests in North America. It is able to cause massive tree defoliation in a very rapid amount of time and many devastating outbreaks have occurred since it’s original introduction to North America. Learn more here.
Downy mildew on spinach caused by Peronospora sp. The chlorotic (yellow) patches are an early symptom of this disease followed by larger, brown lesions with gray spores on the underside of the leaves. #oomycete#amaranthaceae#spinaciaoleracea
Emerald Ash Borer is an invasive pest of North America. It is believed to have first been introduced from Asia in the 1990s and it has spread to at least 25 states in the UNited States and has also been observed in parts of Canada. Learn More:
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The Asian Longhorned beetle, Anoplophora glabripennis, is wood-boring beetle that is invasive to the United States. It is capable of devastating populations of urban trees and forests. It is able to attack seemingly healthy trees from multiple generations. Early detection can help prevent infestations from becoming unmanageable. Learn more here:
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