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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

    more than 20 counties. It is a disease that is relatively easy to identify based on visual signs and ... tell tar spot apart from late stages of some other disease. Yes, tar spot, as the name suggests, is ... However, not all raised, black, tar-like spots on a leaf are tar spot. Two other diseases that produce ...

  2. 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 ... increase in disease severity (percentage of leaf surface covered with stromata) as the crop matures. ...

  3. 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

    conditions, inadequate fertilization, problems with nutrient uptake, insects, and diseases. This year, the ... combined effects of prevalent diseases such as northern corn leaf blight, southern rust, tar spot, and gray ... these diseases develop and how badly the upper leaves of the plant are damaged. When leaves above the ...

  4. Are You Seeing Brown Pods and Green Stems?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-34/are-you-seeing-brown-pods-and-green-stems

    Green stems on mature soybean plants may be the result of a source/sink problem. If there are a limited number of pods (sink), there are fewer places for the plant’s photosynthates (source) to go. From previously conducted work by Dr. Jim Beuerlein, when ...

  5. Wheat Management for Fall 2021

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/wheat-management-fall-2021

    diseases. Many of us would like to repeat these high-yielding conditions next year, but much was ... 2021: Select high-yielding varieties with high test weight, good straw strength, and adequate disease ... have resistance to the important diseases in your area. Depending on your area of the state, you may ...

  6. Managing Forage Stands Damaged by Fall Armyworm

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

    https://forages.osu.edu/forage-management/pests-diseases. This article addresses how to manage forage stands damaged by the fall armyworm. Fields with minor ... right ahead of a rain forecast (to wash the N into the soil). Our turf specialists recommend ...

  7. Unusual Fall Armyworm Outbreaks are Taking Many by Surprise

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-29/unusual-fall-armyworm-outbreaks-are-taking-many-surprise

    including alfalfa and sorghum sudangrass, and in turf.  Certain hard-hit fields have been all but stripped ... vary in color from greenish to tan to dark brown with stripes along the body.  They can be easily ...

  8. C.O.R.N. Live 9/16

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-30/corn-live-916

    of the Molly Caren Ag Center, site of the Farm Science Review, will give an update on harvest as they ...

  9. Harvest aids for corn and soybeans

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

    measure of this is – black layer formed, dented, % of pods with mature brown color, etc.  The minimum ...

  10. CORN Live: Farm Science Review

    https://agcrops.osu.edu/events/corn-live-farm-science-review

    of the Molly Caren Ag Center, site of the Farm Science Review, will give an update on harvest as they ...

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