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  1. Verticillium Wilt of Raspberry

    https://ohioline.osu.edu/factsheet/plpath-fru-04

    diseased plants may at first appear to have a dull green cast as compared to the bright green of normal ... Eventually, the cane may be completely defoliated except for a few leaves at the top. Black raspberry canes ... may exhibit a blue or purple streak from the soil line extending upward to varying heights. This ...

  2. Physical Properties of Granular Fertilizers and Impact on Spreading

    https://ohioline.osu.edu/factsheet/fabe-5501

    concentration may vary, as can the physical properties of granular material(s) which affect delivery and ... properties that directly affect the quality of spread of granular fertilizers have been prioritized and ... normally reported for fertilizers. Particle size and size distribution both have a direct influence on ...

  3. Useful Tables: Adjustments and Conversions on Corn and Soybean Parameters

    https://ohioline.osu.edu/factsheet/agf-502

    25,000 30,000 35,000 Apr 10 62 76 86 92 94 93 Apr 20 67 81 91 97 99 97 Apr 30 68 82 92 98 100 98 May 9 65 ... 79 89 95 97 96 May 19 59 73 84 89 91 89 May 29 49 63 73 79 81 79 *Yields are expressed as a % of ... 27.9 20.9 13.9 10.5 13,500 16,000 26.1 19.6 13.1 9.8 14,400 17,000 24.6 18.4 12.3 9.2 15,300 18,000 ...

  4. Brown Rot of Stone Fruits

    https://ohioline.osu.edu/factsheet/plpath-fru-29

    infected by direct penetration near their tip. A canker may form encircling the twig, causing death of the ... apricot, and cherry). The brown rot fungus may attack blossoms, fruit, spurs (flower and fruit bearing ... the tree. Peaches not kept in cool storage may be rotted in two to three days by the fungus. Figure 1. ...

  5. Cork Spot and Bitter Pit of Apples

    https://ohioline.osu.edu/factsheet/plpath-fru-01

    Fruit placed directly in low-temperature storage may not exhibit symptoms for several days or weeks in ... portion of the fruit flesh as small green dimples or depressions. This disorder may begin developing in ... enlarge to corky, discolored areas 1/4 to 1/2 inch into the flesh of the apple. The corky spots may occur ...

  6. Assistive Technology for the Farm

    https://ohioline.osu.edu/factsheet/AEX-983.2-11

    modification, or service that will help a person with a disability work and live more independently. It may be ... farm. Depending on the disability and the challenges being faced, some or all of the categories may be ... used. These assistive technologies may be designed specifically for a person with a disability to ...

  7. Rusts of Apple

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

    Rust on Apple On leaves, pale yellow spots appear on the upper surface during May or June (Figure 1). ... fungal bodies (pycnia) form within the spots and may exude an orange fluid. In time, yellow spots develop ... cylindrical tubes that split toward the base into narrow strips and curl backward. Infected leaves may turn ...

  8. Melampsora Rust

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

    needles and occasionally cones. Shortly after the pustules form, the needles may shrivel and die, but ... by Melampsora medusae. Retrieved 4/27/2017 from ... Retrieved 4/27/2017 from ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Tree&id=82101&lvl=3& ...

  9. Plants Get Sick Too!

    https://ohioline.osu.edu/factsheet/plpath-gen-1

    two-thirds of some crops are lost, thereby adding to the world hunger problem. Although not directly related ... Pathology. In the case of disease, the source of continual irritation may be abiotic (non-living) or biotic ... disease in humans and animals. Pathogens may infect all types of plant tissues to include leaves, shoots, ...

  10. Pruning Backyard Grapevines in the First Three Years

    https://ohioline.osu.edu/factsheet/HYG-1429-2004

    will be left. New growth may reach the top wire (around 5 to 5½ feet) during the first year. If this ... horizontally in both directions along the top wire. These will be used to form the new cordons. Pruning of ... one-year-old hardwood (dormant canes) will be minimal, but some pruning may be necessary to help shape the vine ...

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