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  1. 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 ...

  2. Diplodia Tip Blight of Two-Needled Pines

    https://ohioline.osu.edu/factsheet/plpath-tree-03

    examination, one can find that often this disease begins on new shoots, turning the new needles brown before ... diseases in the urban environment. It affects many common landscape pines in the Midwest, including ... disease is found throughout the Great Plains, Midwest, Northeast, and California. Figure 1. Typical tip ...

  3. Pollinator Quick Guide: What You Can Do to Help Bumble Bees

    https://ohioline.osu.edu/factsheet/ent-81

    introduced diseases that infect only bumble bees. Because of these threats, some native bumble bee species ... that used to be common, such as the rusty-patched bumble bee, are now facing extinction. In 2017, the ... U.S. Fish and Wildlife Service listed the rusty-patched bumble bee as an endangered species under the ...

  4. Chicken Breed Selection

    https://ohioline.osu.edu/factsheet/anr-60

    brown, or other colors such as blue and green. The best egg laying breeds tend to be the smaller bodied ... to protect animals from disease-causing pathogens to help keep them healthy. One of the biggest ... followed closely. Chickens should be purchased free of any disease to avoid introducing a disease into your ...

  5. Frolence Paul Fidelis

    https://hcs.osu.edu/our-people/frolence-paul-fidelis

    two major challenges: Fusarium head blight and lodging. Fusarium head blight is a devastating disease ...

  6. Oak Wilt

    https://ohioline.osu.edu/factsheet/plpath-tree-02

    of Plant Pathology, The Ohio State University Oak wilt is a serious and often deadly vascular disease ... (bur, chinquapin, post, swamp white, and white oak) (Figure 1B) are more tolerant of the disease and may ... “flags,” that is, whole branches or crown portions turning red-brown. Leaves of red oaks typically show ...

  7. Slime Molds on Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-3074

    recommended. Home, Yard and Garden Horticulture plant disease lawn and turf causal organism primitive fungi ... their presence. Plant vigor may be slightly reduced in severely colonized turf due to excessive growth ... development. Symptoms There are various species of slime molds, each resulting in a discolored, irregular patch ...

  8. Common Rust of Corn

    https://ohioline.osu.edu/factsheet/plpath-cer-02

    diseases of corn in the U.S., but it rarely causes significant yield losses in Ohio field (dent) corn. ... or sweet corn, yield losses may occur when the leaves at and above the ears become severely diseased ... after tasseling. These can be easily recognized and distinguished from other diseases by the development ...

  9. Phytophthora Root and Crown Rot of Fruit Trees

    https://ohioline.osu.edu/factsheet/plpath-fru-06

    cutting away the outer bark layer. A sharp line demarcates the reddish-brown (diseased) and white ... 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. ...

  10. Necrotic Leaf Blotch of Golden Delicious Apples

    https://ohioline.osu.edu/factsheet/plpath-fru-12

    Pathology Necrotic leaf blotch is a common but minor disease that appears to be restricted to the Golden ... Delicious cultivar of apples and its sports. The disease is a physiological disorder and has been observed ... disorder varies from orchard to orchard and, more importantly, from year to year. The disease is fairly ...

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