Site

Search results

  1. Powdery Mildew of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-37

    limited, and they appear as dark-brown to black patches that remain as dark patches on the surface of ... 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 ...

  2. Bitter Rot of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-08

    spots Small, circular, whitish spot, which is soon surrounded by a brown ring Fungal fruiting bodies on ... Pathology Bitter rot has been recognized as a disease of grapes since 1887. The name was derived from the ... infected with bitter rot, the wine may be undrinkable. The disease is more common in the southern grape ...

  3. Black Rot and Frogeye Leaf Spot of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-07

    develop a series of brown and black concentric bands or rings. The rotted fruit finally turns black. The ... dark-brown concentric rings and a purple margin giving it a “frogeye” appearance. Black pycnidia, like those ... leaf spot are phases of a widespread and damaging disease of apple and crabapple. The fruit rot phase ...

  4. What to Look for in a Lawn Care Service

    https://ohioline.osu.edu/factsheet/hyg-4025-88

    to enhance winter turf color, quicken spring green-up, reduce lawn disease problems, and improve ... all, while others may provide it only as an extra-cost option. Disease control is generally not offered ... is preferred. How Much Fertilizer is Applied During the Year? Nitrogen is the key nutrient in turf ...

  5. Potassium Uptake and Ohio Crop Response

    https://ohioline.osu.edu/factsheet/anr-0147

    stem strength, and reduced disease susceptibility. Plant Uptake and Soil K Forms Plant potassium uptake ...

  6. Masked Chafers

    https://ohioline.osu.edu/factsheet/ENT-51

    rapidly recover after rain or irrigation. Heavy infestations result in turf dying in irregular patches ... . Birds, skunks, raccoons and opossums commonly dig up turf around the dead patches. Moles may tunnel ... Entomology Masked chafers are beetles that have larvae, called white grubs, which can attack managed turf ...

  7. Norovirus: A Different Type of Foodborne Illness

    https://ohioline.osu.edu/factsheet/HYG-5569

    department and the Centers for Disease Control and Prevention (CDC) cannot record the number of cases ... to learn more about identifying, treating, and preventing norovirus: Centers for Disease Control and ... Retrieved from youtube.com/watch?v=TAkH4jakLYA&t=11s Centers for Disease Control and Prevention (CDC). ...

  8. 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 turf ... Pathology Gray leaf spot is a disease of increasing importance in the turfgrass industry in the United ...

  9. Downy Mildew of Blackberry

    https://ohioline.osu.edu/factsheet/plpath-fru-48

    blackberry (Rubus sp.) is a systemic disease caused by the fungal-like pathogen Peronospora sparsa. Nearly ... all blackberry cultivars are susceptible to downy mildew. The disease also occurs on boysenberry, ... visible. Disease is most severe during wet weather with cool to warm temperatures. Figure 1. Downy mildew ...

  10. Billbugs in Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-2502-12

    of the turf, as if the turf was going into drought and heat dormancy or disease attack was occurring. ... turf plant. Larvae are grub shaped, but legless; they have cream-colored bodies, brown head capsules, ... weevils chemical control of larvae snout beetles turf pests turf damage turf fungal diseases parasitic ...

Pages