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  1. A Guide to Corn Growth and Development

    https://ohioline.osu.edu/factsheet/anr-0148

    agcrops.osu.edu/newsletter/corn-newsletter/2022-18/corn-growth-and-development-crop-staging Ortez, O., McMechan, A. J., Hoegemeyer, T., Ciampitti, I. A., Nielsen, R. L., Thomison, P. R., ... PDF). Key vegetative and reproductive stages for corn, from emergence (VE) to physiological maturity ... approximately 10–14 days after R1. Plants defined as R2 have kernels similar to ”blisters” (Figure 11). Kernel ...

  2. Corn Response to Long-Term Weather Stressors

    https://ohioline.osu.edu/factsheet/anr-0150

    increase is calculated using the Midwestern Regional Climate Center’s Freeze Date Tool, which provides ... × E × M interactions). Environmental conditions across regions vary on spatial and temporal scales (Figure 1). It is ... accumulation of heat units over time rather than its number of calendar days from planting. The corn growing ...

  3. Blacklegged (Deer) Tick, Ixodes scapularis

    https://ohioline.osu.edu/factsheet/ent-0096

    of seven days after the bite, but the onset can vary from three to 30 days. Expansion of the rash ... odh.ohio.gov/know-our-programs/zoonotic-disease-program/diseases/lyme-disease The BITE SITE, Knowledge Exchange— kx.osu.edu/bite References Centers for Disease Control and ... For more information on tick safety, visit the Ohio Department of Health (link 2). Identification ...

  4. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    have nozzles located on the end of hoses descending a few inches below the rotors (Figure 2). A smaller ... for years—mainly the single-rotor, remote-controlled helicopter. Their use of multi-rotor drones is ... multi-rotor drones for spraying pesticides. The first multi-rotor spray drone in China was manufactured in ...

  5. Free, Online Data and Tools for the Agricultural Community

    https://ohioline.osu.edu/factsheet/fabe-55204

      Midwestern Regional Climate Center (MRCC) —Provides high-quality climate data, derived information, and data ... Center [WWW Document]. URL  https://mrcc.purdue.edu/about (accessed 8.3.2023). NCDC-NOAA, 2017. Climate ... climate data. Figure 4 shows the 30-year normal annual mean temperature and precipitation for the ...

  6. Annual Bluegrass Weevil

    https://ohioline.osu.edu/factsheet/ent-0095

    (< 5 millimeters) in length, with antennae near the end of their snout (Figure 1). Newly emerged ... substantial damage comes from the late instar larvae that feed on the crown of turfgrass and the base of ... then observing the site for 5-20 minutes, is most efficient, followed by vacuuming. Monitoring ...

  7. Ripe Rot of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-0052

    u.osu.edu/fruitpathology. Sour Rot Disorder of Grape, (2021) from Ohio State University Extension’s Ohioline, at ... cultivars first appear as reddish-brown circular lesions (Figure 1A) that can be mistaken for sunburn or ... berries become covered with salmon-colored spore (conidia) masses (Figure 1B and 1C). Symptoms on ...

  8. Wine Grape Cultivars for the Midwest

    https://ohioline.osu.edu/factsheet/anr-0138

    season—120–130 days, ripens in November Geographic Locations of Grape-growing Regions Based on the U.S. ... store.extension.iastate.edu/Product/A-Review-of-Cold-Climate-Grape-Cultivars-pdf Wolf, K. T. (2008). Wine grape production guide for Eastern North America (NRAES-145). Natural ... complete table. Criterion for Cultivar Selection Choosing a grape cultivar is based primarily on three ...

  9. Herbicide Injury and the Problem of Spray Drift

    https://ohioline.osu.edu/factsheet/anr-0137

    more serious problems. In contrast, drift from herbicides used on neighboring corn, soybean, pasture, ... For more information, check out driftwatch.org. North Central IPM Center FACT SHEET SERIES on ... high and humidity is low. A spike in air temperature on an afternoon in May or June can cause ...

  10. Potassium Uptake and Ohio Crop Response

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

    have been conducted on corn, soybean, and wheat in Ohio. The trials occurred across 40 counties between ... 1976 and 2021. The trial types include multi-rate, multi-year, single-year, and large strip trials. ... 365 ppm, with a median of 98 ppm. The  Tri-State Fertilizer Recommendations for Corn, Soybean, Wheat, ...

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