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  1. Alfalfa Weevil Infestations Becoming Severe in Some Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/12-2021/alfalfa-weevil-infestations-becoming-severe-some-fields

    : (https://agcrops.osu.edu/newsletter/corn-newsletter/10-2021/alfalfa-weevil-%E2%80%93-it%E2%80%99 ... nights, so if you see “frost injury” in alfalfa, it is more likely to be severe alfalfa weevil feeding ... s-closer-you-think). For information on economic action thresholds and treatment options, visit our factsheet at ...

  2. Alfalfa Weevil Update

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

    -%E2%80%93-it%E2%80%99s-closer-you-think Alfalfa ... thresholds please see our April 13 article https://agcrops.osu.edu/newsletter/corn-newsletter/2020-09/alfalfa-weevil ... Last week we reported that peak alfalfa weevil feeding damage occurs between 325 and 575 heat ...

  3. 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 ... details on alfalfa weevil scouting and thresholds please see our April 13 article https://agcrops.osu.edu/newsletter/corn-newsletter ... Peak alfalfa weevil feeding damage occurs between 325 and 575 heat units (based on accumulation of ...

  4. 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 ... scouting.  For more details on alfalfa weevil scouting and thresholds please see our April 13 article https://agcrops.osu.edu/newsletter/corn-newsletter ... Peak alfalfa weevil feeding damage occurs between 325 and 575 heat units (based on accumulation of ...

  5. Wheat Management for Fall 2021

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

    Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa ... P (ppm)---------------------------------------lb P 2 O 5 /acre--------------------------------------- 10 130 145 160 175 20 80 95 110 125 30-50 30 ... for Corn, Soybeans, Wheat, and Alfalfa.     Wheat Yield Potential (bu/acre) Soil CEC Mehlich-3 K (ppm) ...

  6. Don’t Let Your Guard Down On Fall Armyworm, Just Yet

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-33/don%E2%80%99t-let-your-guard-down-fall-armyworm-just-yet

    may be more cold-tolerant than the larvae, so it may not be surprising to still see some moths.  ... frost.  Check alfalfa, forage, cover crops, winter wheat, and even turf for damage and small larvae.  As ... we get closer to the winter, we want to protect against any further damage that could compromise ...

  7. Managing Forage Stands Damaged by Fall Armyworm

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

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-29/autumn-forage-harvest-management. If there are large numbers of fall armyworms present (more than 2 to 3 per square foot) and they ... you do harvest it. Be prepared to make a rescue treatment if fall armyworm numbers reach the threshold ... pasture has already been severely damaged by fall armyworm, cut it down and salvage what you can or mow ...

  8. Minimizing Corn Harvest Losses At The Combine

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-33/minimizing-corn-harvest-losses-combine

    Corn harvest is getting an early start this year with excellent September Corn prices it may make ... 1/16 of an inch wider at the front than the third node width of a corn stalk. If you check the best and ... the worst corn in the field you should be able to get an idea of how to vary deck plates on the go, ...

  9. Scout Now For Cressleaf Groundsel And Other Winter Weeds In Hayfields And Pastures

    https://agcrops.osu.edu/newsletter/corn-newsletter/2021-33/scout-now-cressleaf-groundsel-and-other-winter-weeds-hayfields

     Glyphosate is of course an option in a stand of pure RR alfalfa (if you can get it).  There are a number of ... We discussed scouting and fall control of cressleaf groundsel in a C.O.R.N. article last fall, to ... herbicides compared with plants with elongated stems in spring.  And it’s certainly a good time to go after ...

  10. Diagnosis of Tar Spot Late in the Season

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

    Take a closer look and send samples to a lab for examination if you are unsure. This is particularly ... Understandably, tar spot has been the focus of our attention this year, as it has been detected in ... more than 20 counties. It is a disease that is relatively easy to identify based on visual signs and ...

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