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Blueberry Leaf Rust
https://ohioline.osu.edu/factsheet/plpath-fru-43
Tsuga (hemlock, spruce), and Rhododendron (azalea, rhododendron). The disease has been reported in Asia, ... disease is sporadic and localized. Leaf rust can cause premature defoliation of affected bushes. Over ... time, and if not properly managed, bushes slowly decline and produce fewer marketable berries. Disease ...
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Anthracnose of Grape
https://ohioline.osu.edu/factsheet/plpath-fru-15
The disease was probably introduced into this country by grape plant material imported from Europe. It ... quickly established in American vineyards and became a significant disease of grape in rainy, humid, and ... warm regions of the United States. The disease is not common in Ohio; however, it caused severe damage ...
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Toxoplasma gondii: A Parasite that Causes Toxoplasmosis
https://ohioline.osu.edu/factsheet/HYG-5578
and environmental practices as they are the most susceptible to the active form of the disease. Public ... the disease. When the immune system is suppressed the parasite transforms from a dormant form to an ... will show no symptoms. For others, like many other foodborne diseases, the symptoms of Toxoplasmosis ...
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Maize Chlorotic Dwarf of Maize
https://ohioline.osu.edu/factsheet/plpath-cer-08
caused by Maize chlorotic dwarf virus (MCDV). The disease (Fig. 1) has been reported from Texas up to ... Missouri and Ohio covering 19 states of the United States and Mexico. The disease caused severe economic ... hybrid, and plant developmental stage at the time of infection. Disease cycle MCDV is mainly transmitted ...
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Botrytis Fruit Rot “Gray Mold” of Strawberry, Raspberry, and Blackberry
https://ohioline.osu.edu/factsheet/plpath-fru-36
blackberry. Under favorable environmental conditions for disease development, serious losses can occur. One of ... the most serious and common fruit rot diseases is gray mold. The gray mold fungus can affect petals, ... flower stalks (pedicels), fruit caps, and fruit. In wet, warm seasons, probably no other disease causes ...
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Gray Leaf Spot on Turfgrass
https://ohioline.osu.edu/factsheet/HYG-3083
sports turf. Application of fungicides should begin prior to the onset of disease, around August 1 in ... grisea chemical control gray spot st. augustine grass plant disease lawn and turf gray leaf spot on turf ... Pathology Gray leaf spot is a disease of increasing importance in the turfgrass industry in the United ...
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Phomopsis Leaf Blight and Fruit Rot of Strawberry
https://ohioline.osu.edu/factsheet/plpath-fru-18
Department of Plant Pathology Phomopsis leaf blight is a common disease of strawberry in the eastern United ... appears to be relatively minor; however, incidence of the disease has been increasing. The disease can ... yields the following year. In years highly favorable for disease development, leaf blight can cause ...
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Nematode Diseases of Plants
https://ohioline.osu.edu/factsheet/plpath-gen-8
disease including the reasons why plants get sick and how to control or manage healthy plants. A number of ... and Pine Wilt Disease (Bursaphelenchus xylophilus). Morphology Figure 1. Adult root-knot ... plants and vice versa. Heartworm in dogs and cats is an example of nematode diseases in animals and ...
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Sanitation and Phytosanitation (SPS)
https://ohioline.osu.edu/factsheet/plpath-gen-10
disease including the reasons why plants get sick and how to control or manage healthy plants. Figure ... 1. Inspection starts in the field. Many growers scout fields for plant diseases during the growing ... of plant pests and diseases. They may include (i) requiring products to come from areas free of ...
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Downy Mildew of Grape
https://ohioline.osu.edu/factsheet/plpath-fru-33
infected leaves eventually turn brown, wither, curl and drop. The disease attacks older leaves in late ... Pathology Downy mildew is a major disease of grapes throughout the eastern United States. The fungus causes ... cotton-like growth (Figure 2). Infected tissue gradually becomes dark brown, irregular, and brittle. Severely ...