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  1. Blackpatch of Forage Legumes and Slaframine Intoxication

    https://agcrops.osu.edu/newsletter/corn-newsletter/24-2021/blackpatch-forage-legumes-and-slaframine-intoxication

    stems, giving them a blackened or scorched appearance.  As the fungus moves from plant to plant by growth ... appearance.  Lesions occur on both leaves and stems, with most stem lesions developing near the base.   Overall ... intertwined filaments cover the entire stem and may also be found in blighted flower heads.  Seeds developing ...

  2. Fungicide Efficacy for Control of Corn Diseases

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/fungicide-efficacy-control-corn-diseases

    leaf spot have been observed where the environment has been conducive to disease development, prompting ... growers to consider fungicide applications. The information below was developed by the Corn Disease ... multi-state and international collaboration of university and provincial extension specialists, and public and ...

  3. To Spray or Not to Spray…Foliar Products at R3

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/spray-or-not-spray%E2%80%A6foliar-products-r3

    developed trifoliolate leaf. A leaf is fully developed, and the node is counted, when the trifoliolate leaf ... fungicide? First, consider the disease triangle. For a disease to develop, there must be a 1) host (Is your ... positive yield responses occurred in years with greater precipitation. Very little to no yield response ...

  4. Weather Update: A Wet Start to Summer

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/weather-update-wet-start-summer

    a bit hazy due to western wildfire smoke. A weak front moving through on Tuesday could provide a few ...

  5. Foliar Diseases and Fungicide Decisions in Corn

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/foliar-diseases-and-fungicide-decisions-corn

    reported in some fields, well before tasseling in some cases. Such early disease development could impact ... the good news is, they are also effective against GLS and NCLB. Therefore, it you decide to spend the ...

  6. Western Bean Cutworm Peaking in Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/western-bean-cutworm-peaking-ohio

    https://aginsects.osu.edu/news/western-bean-cutworm-video). Overall, the statewide average was 6.2 moths per trap, which was an increase from an average of ...

  7. How to Distinguish Flooding Injury from Phytophthora or Pythium Root Rot in Soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/23-2021/how-distinguish-flooding-injury-phytophthora-or-pythium-root-rot

    Flooding injury occurs when soils are saturated for several days and anoxia develops.  The roots ... (Figure 2) will develop, the plants will turn yellow, wilt and die. Cultivars with low ratings may lose as ... are high then you should not see stem rot develop on these soybeans.  Note every company has ...

  8. Soybean Defoliation: It Takes a lot to Really Matter!

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/soybean-defoliation-it-takes-lot-really-matter

    moving farther into the centers of the fields. And Japanese beetles tend to feed in aggregations and at ...

  9. Western Bean Cutworm Numbers Begin to Increase Across Ohio

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/western-bean-cutworm-numbers-begin-increase-across-ohio

    our WBC scouting video https://aginsects.osu.edu/news/western-bean-cutworm-video Treatment If the ...

  10. Tar Spot Showing Early this Year: a Note on Diagnosis

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/tar-spot-showing-early-year-note-diagnosis

    highest when it develops and spreads before tasseling (VT) on susceptible hybrids. Warm, wet, and humid ... conditions seem to favor the development and spread of Tar Spot, so keep your eyes on the weather, and watch ...

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