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  1. Diagnosis of Tar Spot Late in the Season

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-31/diagnosis-tar-spot-late-season

    Understandably, tar spot has been the focus of our attention this year, as it has been detected in ... Both are very prevalent this year in fields with tar spot. Yes, it is true that rusts, as the name ... in raised, black, structures called telia. In other words, rust pustules usually change from their ...

  2. Foliar Diseases May Affect Stalk Strength and Quality

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-31/foliar-diseases-may-affect-stalk-strength-and-quality

    fungal pathogens cause stalk rot, but the three most important in Ohio are Gibberella, Collectotrichum ... may develop ear rots and become contaminated with mycotoxins. In addition, lodging may lead to grain ... content (moisture in the lower 20s). Corn Disease Corn Harvest ...

  3. Combine Setup Field Day

    https://agcrops.osu.edu/events/combine-setup-field-day

    corn in soybean fields this year, there is a need to re-visit proper combine setup to minimize loss ... we look at this applied in the field. Dr. Elizabeth Hawkins will discuss yield monitor calibration ... care and cleaning which could save a lot of headaches this fall due to shortages in replacement parts ...

  4. Western Ohio Cropland Values and Cash Rents 2020-21

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-29/western-ohio-cropland-values-and-cash-rents-2020-21

    Ohio cropland varies significantly in its production capabilities and, consequently, cropland ... values and cash rents may include field size and shape, field accessibility, market access, local market ... density, and competition for the cropland in a region. Factors specific to cash rental rates may include ...

  5. Tar Spot more Widespread Cross the State of Ohio in 2021

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/tar-spot-more-widespread-cross-state-ohio-2021

    a few counties in the NW corner of the state, in 2021, the disease has so far been reposted in 21 ... counties, including as far South as Clark County and as far east as Holmes County. In the past, the disease ... was seen late in the season (after R4), but this year it was reported in some fields at or before ...

  6. Are Fall Armyworm Infesting Corn, too?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/are-fall-armyworm-infesting-corn-too

    Keep in mind that fall armyworm can also damage corn.  We have found late-stage caterpillars feeding on ... offers protection against fall armyworm.  The bad news is that Bt resistance has occurred in other states ... to our south (which is where our fall armyworms likely came from). In some of these areas, fall ...

  7. Harvest aids for corn and soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/harvest-aids-corn-and-soybeans

    harvesting equipment.  One of the problems with preharvest herbicide applications is how to apply in mature ... only).  Gramoxone can be effective for dessication of some weeds when applied by ground equipment in the ... species unless mixed with another herbicide.  Systemic herbicides will generally be the better choice in ...

  8. Late-Season Pod Feeding by Bean Leaf Beetle, Grasshopper, and Stink Bugs

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/late-season-pod-feeding-bean-leaf-beetle-grasshopper-and-stink

    We have heard a few reports of either bean leaf beetles, grasshoppers, or stink bugs increasing in ... than in the field as a whole.  On each plant sampled, count the number of total pods and the number of ... present and active in the field.  Stink bug feeding on pods is more subtle because they insert their ...

  9. Combine Set-up Field Day

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/combine-set-field-day

    After the difficult harvest last year, and the prevalence of volunteer corn in soybean fields this ... us on September 16, 1-3:30 pm as experts discuss proper setup for corn and we look at this applied in ... save a lot of headaches this fall due to shortages in replacement parts and equipment. Lastly, ...

  10. Managing Forage Stands Damaged by Fall Armyworm

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/managing-forage-stands-damaged-fall-armyworm

    serious destruction in many forage fields. For more complete details on this pest, including how to scout ... two. So be aware of what is in your hayfield! If your hayfield is not quite ready for harvest or is ... regrowth process. The speed of recovery will depend on how many crown buds in alfalfa were devoured by the ...

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