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  1. Alfalfa Weevil Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-14/alfalfa-weevil-update

    /2020-09/alfalfa-weevil-%E2%80%93-it%E2%80%99s-closer-you-think Accumulated growing degree days (base ... 48°F sine calculation method) for January 1-May 17, 2020 at several CFAES Ag Weather System ... heat units from January 1 with a base of 48°F).  All monitored locations are now in or close to this ...

  2. Alfalfa Weevil Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-12/alfalfa-weevil-update

    /2020-09/alfalfa-weevil-%E2%80%93-it%E2%80%99s-closer-you-think Accumulated growing degree days (base ... 48°F sine calculation method) for January 1-May 3*, 2020 at several CFAES Ag Weather System ... heat units from January 1 with a base of 48°F).  Locations in red are there, and locations in orange ...

  3. Alfalfa Weevil Update

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-10/alfalfa-weevil-update

    -weevil-%E2%80%93-it%E2%80%99s-closer-you-think Alfalfa ... units (based on accumulation of heat units from January 1 with a base of 48°F).  The cool temperatures ... thresholds please see our April 13 article https://agcrops.osu.edu/newsletter/corn-newsletter/2020-09/alfalfa ...

  4. Good Time to Scout Wheat and Barley Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-15/good-time-scout-wheat-and-barley-fields

    It has been a little over two weeks since overnight low temperatures were <32°F throughout the ... Now is a good time to scout wheat and barley fields to assess whether cold temperatures simply set ... canopy temperatures just below freezing for several hours. Damage from cold temperatures may cause ...

  5. Burndown and Residual Herbicide Issues

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-13/burndown-and-residual-herbicide-issues

    large, overwintered weeds.  It’s all just way easier.    And issues with cold weather and spring-applied ... Depending upon where you are in the state, it’s possible right now to be experiencing delays in ... activate residual herbicides, and/or reduced burndown herbicide effectiveness on big weeds due to cold ...

  6. Scab Risk Low, but Keep Your Eyes on Leaf Diseases

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-14/scab-risk-low-keep-your-eyes-leaf-diseases

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-13/managing-head-scab-fungicides-qa While scab is not yet a concern, either because it is too early, or because it has been too cold ... have had, it has been very cold over the last week to 10 days. Cold temperatures between heading and ... heading and anthesis. If it continues to rain and stays wet and humid over the next few weeks, the risk ...

  7. How Cold is Too Cold for Wheat at Feekes 8 and Feekes 10.5.1 Growth Stages?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-13/how-cold-too-cold-wheat-feekes-8-and-feekes-1051-growth-stages

    injury. It is important to assess fields for damage as damage may be more or less extreme depending on the ... 1). Overnight lows for a few locations in Ohio on Saturday May 9, 2020 include 26°F outside of Toledo, ... for May 9-10, 2020. Figures generated at Midwest Regional Climate Center. Injury to winter wheat ...

  8. Be Alert for Spotted Lanternfly

    https://ohioline.osu.edu/factsheet/anr-83

    other insects and causes. Prevent the Spread Although SLF has not been reported in Ohio yet, it has been ... including metal, sign posts, train tracks and more (Dara et al., 2015; from Moylett and Molet, 2018). It is ... Japan, Vietnam and Taiwan. However, it has been reported as a serious non-native, invasive pest in Korea. ...

  9. Potential for Toxic Nitrate Levels in Forages

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-13/potential-toxic-nitrate-levels-forages

    rumen is then absorbed into the bloodstream where it prevents oxygen transport, which leads to death. ... The recent cold and cloudy weather has raised the concern for higher nitrate levels in forages ... that could potentially be toxic to animals consuming those forages. It is true that any stress ...

  10. Eric Stockinger

    https://agcrops.osu.edu/people/eric-stockinger

    Eric Stockinger Cold Acclimation and Freezing Tolerance in Plants stockinger.4@osu.edu ...

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