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  1. 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

    economic levels of defoliation here in Ohio.” (Click here to read the entire article: https ... long (but less than 3/4 inch long) at one of the four uppermost nodes on the main stem with a fully ... developed trifoliolate leaf. A leaf is fully developed, and the node is counted, when the trifoliolate leaf ...

  2. Get your Waterhemp Populations Screened for Herbicide Resistance

    https://agcrops.osu.edu/newsletter/corn-newsletter/24-2021/get-your-waterhemp-populations-screened-herbicide-resistance

    metolachlor.  Results of our research show that it’s possible for Ohio waterhemp populations to have some level ... of resistance to one, several, or all of these herbicides.  Glyphosate is not included because we ... looking to expand our screening to include waterhemp populations submitted by anyone in Ohio looking for ...

  3. Blackpatch of Forage Legumes and Slaframine Intoxication

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

    intertwined filaments cover the entire stem and may also be found in blighted flower heads.  Seeds developing ... slobbers. One of the causes of excessive salivation in horses is a fungal disease of clover, commonly ... exceed 80F with humid/wet conditions, like we have been experiencing in Ohio. Here we are re-running an ...

  4. 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

    (Figure 2) will develop, the plants will turn yellow, wilt and die. Cultivars with low ratings may lose as ... Flooding injury occurs when soils are saturated for several days and anoxia develops.  The roots ... plants become infected with one of more of the watermolds – the roots will turn tan to dark brown and ...

  5. 2021 Green Industry Summer Session

    https://lucas.osu.edu/news/2021-green-industry-summer-session

    For over 25 years, the Green Industry Summer Session was held in NW Ohio on the campus of Owens ... Community College. It has been and continues to be a partnership between Owens and Ohio State University ... pull it off once we heard word that we could offer face-to-face programming.  The program will be ...

  6. In the Weeds: Legal Approaches to Dealing With Noxious Weeds on Farmland

    https://agnr.osu.edu/events/weeds-legal-approaches-dealing-noxious-weeds-farmland

    at 12 p.m. EDT/11 a.m. CDT, and will provide an overview of legal approaches to dealing with noxious ... may contribute to increased occurrences of noxious weed problems on farm and ranch lands, such as ... changes that may be necessary to adapt to evolving noxious weed issues. Lastly, this webinar will ...

  7. In the Weeds: Legal Approaches to Dealing With Noxious Weeds on Farmland

    https://agnr.osu.edu/news/weeds-legal-approaches-dealing-noxious-weeds-farmland

    at 12 p.m. EDT/11 a.m. CDT, and will provide an overview of legal approaches to dealing with noxious ... may contribute to increased occurrences of noxious weed problems on farm and ranch lands, such as ... changes that may be necessary to adapt to evolving noxious weed issues. Lastly, this webinar will ...

  8. Urban Landscape Pest Management Online Webinar

    https://agnr.osu.edu/events/urban-landscape-pest-management-online-webinar

    If you do not have a current pesticide license, please visit our  New Applicator page.You need to ... attend the entire day to meet the five hours required for an Ohio commercial license. Ohio Commercial ... Pesticide Recertification Credits Offered (5 hours total): Core (one hour) 3A- Aquatic 4A- Forestry 5- ...

  9. Now is the Time to Scout for Western Bean Cutworm!

    https://agcrops.osu.edu/newsletter/corn-newsletter/24-2021/now-time-scout-western-bean-cutworm

    currently experiencing high WBC trap counts are primarily located in Northern Ohio (Figure 1). This past ... opportunity may be missed.   Insect Monitoring; Western Bean Cutworm ...

  10. Ohio Certifed Volunteer Naturalist Training

    https://lucas.osu.edu/events/ohio-certifed-volunteer-naturalist-training

    Be part of this year's Ohio Certified Volunteer Naturalist Class. Classes will be held on ... Fridays this fall from 9 am- 3 pm. This program is a collaborative effort between OSU Extension and ...

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