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  1. Leafhoppers, Grasshoppers, and Beetles, Oh My!

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/leafhoppers-grasshoppers-and-beetles-oh-my

      https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/watch-spider-mites-dry-areas.  Some areas are also reporting increases in young grasshoppers in soybeans, another insect favored ... insect at https://agcrops.osu.edu/newsletter/corn-newsletter/2020-17/time ... weather we recommend scouting your soybeans and corn ...

  2. Western Bean Cutworm Numbers Continue to Increase

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-24/western-bean-cutworm-numbers-continue-increase

    for 2020 remains low compared to previous years (Figure 3). Scouting guidelines Scout pre-tassel corn ... treatment if >8% of inspected plants have eggs or larvae (field corn) or in sweet corn, if >4% of ... corn for ears having feeding holes on the outside of the husks.                Insect Monitoring; ...

  3. Corn Pollination

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/corn-pollination

    As temperatures remain hot for much of the state, corn continues to put on leaf collars and is ... approaching the start of flowering. Corn is a plant that has separate male (anthers on the tassel) and female ... shed in corn occurs in the morning hours before temperatures climb to these levels. Additionally, new ...

  4. New Crop Staging Videos

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-24/new-crop-staging-videos

    highlight corn, soybean, and alfalfa. The videos highlight some common staging methods for each crop, and ... a specific crop stage is being targeted. When staging fields of corn, soybeans, and wheat, you will want to ...

  5. Western Bean Cutworm Numbers Continue to Increase

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/western-bean-cutworm-numbers-continue-increase

    compared to previous years (Figure 3). Scouting guidelines Scout pre-tassel corn approaching tassel fields. ... inspected plants have eggs or larvae (field corn) or in sweet corn, if >4% of inspected plants have eggs ... purple. To search for larval injury after it has occurred, search the corn for ears having feeding holes ...

  6. Corn Growth in Hot and Dry Conditions

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/corn-growth-hot-and-dry-conditions

    environment. References Abendroth, L.J., R.W. Elmore, M.J. Boyer, and S.K. Marlay. 2011. Corn growth and ... are starting to see some leaf rolling in corn. Some of this may be related to reductions in soil ... moisture, but may be related to restricted root systems as well. Depending on the stage of corn at the time ...

  7. Alfalfa Weevil Update

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

    details on alfalfa weevil scouting and thresholds please see our April 13 article https://agcrops.osu.edu/newsletter/corn-newsletter ...

  8. Short-Season Forages for Late Summer Planting

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/short-season-forages-late-summer-planting

    until next spring, such as following wheat or an early corn silage harvest. Oat or Spring Triticale ... these cereal forages following wheat. Following corn silage harvest and especially if manure is applied ... the spring cereal harvest. Corn silage or soybean can be then planted after the winter cereal harvest ...

  9. 2020-24

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-24

    ...

  10. Western Bean Cutworm Numbers Starting to Increase

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/western-bean-cutworm-numbers-starting-increase

    threshold.      Scouting guidelines Scout pre-tassel corn approaching tassel fields. Choose at least 20 ... larvae (field corn) or in sweet corn, if >4% of inspected plants have eggs or larvae (processing ... larval injury after it has occurred, search the corn for ears having feeding holes on the outside of the ...

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