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On-Farm Biosecurity: Traffic Control and Sanitation
https://ohioline.osu.edu/factsheet/vme-6
production, biosecurity refers to those measures taken to keep disease agents out of populations, herds or ... States attempts to keep swine and avian influenza as well as foot-and-mouth disease (FMD) out of its ... or reintroduction of livestock diseases they have been able to prevent or eradicate from their herds ...
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Crop Protection Apps
https://ohioline.osu.edu/factsheet/fabe-55203
Disease, and Pest Identification App Details Ag PhD Corn Diseases Available from: Ag PhD Operating system: ... Android / iOS Description: Disease identification and diagnostic guide for corn. Content includes disease ... description, symptoms, and similar diseases, conditions that favor a disease, and suggested management options. ...
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Beech Bark Disease
https://ohioline.osu.edu/factsheet/plpath-tree-09
Department of Plant Pathology Beech bark disease (BBD) is a devastating disease of American beech (Fagus ... the state. Disease progress projections show that it will likely be found throughout Ohio by the mid ... 2020s. Disease Development and Symptoms The scale insects appear as “white wool” on the trunks of ...
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Rhizoctonia Damping-off and Root Rot of Soybeans
https://ohioline.osu.edu/factsheet/plpath-soy-1
Rhizoctonia result from stand reduction in newly planted fields, premature death of diseased plants, and ... production of smaller seed. Symptoms of this disease are usually noticed by early summer, where wilted or ... diseased plants become chlorotic and closely resemble plants with a nitrogen deficiency (Figure 2). Figure ...
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Melampsora Rust
https://ohioline.osu.edu/factsheet/plpath-tree-08
known as poplar leaf rust, is a foliar rust disease that has been a large problem for trees in the genus ... willows, in the United States and throughout the world. The disease is caused by several fungal pathogens ... addition to species of Saxifraga (rockfoils) and Ribe s (currants and gooseberries). The disease was ...
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Parasites: Cryptosporidium parvum, Cyclospora, and Giardia lamblia
https://ohioline.osu.edu/factsheet/HYG-5577
months at a time depending on the environmental conditions. Public Health Consequences Parasitic diseases ... are not common in the United States. Of the 304,057 reported disease cases in the United States for ... 2009, parasitic diseases made up less than 10%. Bacterial infections such as Salmonella caused up to 16% ...
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Phytophthora Root and Crown Rot of Fruit Trees
https://ohioline.osu.edu/factsheet/plpath-fru-06
Pathology Phytophthora root and crown rots (sometimes called collar rot) are common and destructive diseases ... root rot. Symptoms Diseased trees are commonly found in poorly drained areas of the orchard or yard. ... Heavy, wet soils that remain saturated for extended periods of time are required for disease development. ...
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Grape Black Rot
https://ohioline.osu.edu/factsheet/plpath-fru-24
one of the most damaging diseases of grapes in Ohio and other northeastern states. The disease is ... rachises and cluster stems (peduncles) of grapes. If the disease is not managed early in the season, the ... on a grape leaf. Inset shows the dark pycnidia that can be seen in the center of each spot. Disease ...
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Powdery Mildew of Grape
https://ohioline.osu.edu/factsheet/plpath-fru-37
important disease of grapes worldwide. The disease generally is considered less economically important in ... Ohio than black rot or downy mildew. However, uncontrolled, the disease can be devastating on ... the fungus. Causal Organism and Disease Cycle Figure 2. Grape leaf severely infected with powdery ...
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Phytophthora Damping-off and Root Rot of Soybean
https://ohioline.osu.edu/factsheet/plpath-soy-04
destructive diseases of soybeans in Ohio for more than 60 years. When rainfall saturates fields soon after ... and 8 percent in years with more normal planting seasons. The disease is most severe in poorly drained ... zoospores. Rps genes and Pathotypes This disease has been managed effectively by planting cultivars with Rps ...