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  1. Frogeye Leaf Spot- Is It Worth Spraying in 2019?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-27/frogeye-leaf-spot-it-worth-spraying-2019

    R5, the leaf at the terminal is fully developed and the pods at any one of the top four nodes is fully ... that are in the R3 growth stage, pods are tiny, 3/16 of an inch at one of the four uppermost nodes of ...

  2. Nitrogen Rate Recommendations for Wheat 2020

    https://agcrops.osu.edu/newsletter/corn-newsletter/2020-07/nitrogen-rate-recommendations-wheat-2020

    fit. Keep in mind that research has shown N can be applied up to Feekes GS 6 (one visible node) without ...

  3. Identifying Feekes Growth Stage 6: Jointing

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-09/identifying-feekes-growth-stage-6-jointing

    first node anywhere between 1 and 2 inches above the base of the stem. This node is usually seen as ... first node (and only that node) is seen at the base of the stem, then your wheat is at Feekes growth ...

  4. Staging corn development in 2019

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-22/staging-corn-development-2019

    internode is usually ½ to ¾ inch long. Carefully identify the leaf whose leaf sheath attaches to this node ... . The fifth leaf is usually attached to the node above this elongated internode. Continue counting the ...

  5. Recommendations for Late Planted Soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-12/recommendations-late-planted-soybeans

    possible to produce nodes where pods can form before vegetative growth is slowed due to flowering and pod ...

  6. Good Time to Dig Roots and Inspect for Rootworm Damage

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-20/good-time-dig-roots-and-inspect-rootworm-damage

    least 5 plants in 10 different locations in your field.  To determine the level of injury, use the Node ... Injury Scale—this scale ranges from 1 to 3, were 0.5 is half of a node of roots damaged, 1 is a full node ... of roots damaged, 2 is 2 full nodes damage, etc. For more help in rating roots, see this handout from ...

  7. Ear Disorders Appearing in Corn Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2017-34/ear-disorders-appearing-corn-fields

    agronomists at the University of Nebraska in 2016 –  dumbbell shaped ears, multiple ears per node and short ... (https://cropwatch.unl.edu/2016/corn-ear-formation-issues-likely-correlated-loss-primary-ear-node). For more on ear development problems and others ear abnormalities, check the following: ...

  8. Unusual Ears Appearing in Corn Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-29/unusual-ears-appearing-corn-fields

    ear node followed by development of a secondary malformed ear. For more on ear development problems ...

  9. Large Crabgrass

    https://ohiograpeweb.cfaes.ohio-state.edu/ipm/weeds/large-crabgrass

    growth habit with stems that root at the nodes. It has dense hairy leaf and sheath and relatively large ... Additionally, large crabgrass roots at the stem nodes while smooth crabgrass does not. Root system Large ... roots at the nodes. Leaves Blades 1 1/4 to 8 inches long, 3-10 mm wide, with hairs on both surfaces. ...

  10. Late Season Foliar Diseases Have Started in Soybeans

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-30/late-season-foliar-diseases-have-started-soybeans

    the plants will die early in patches.  For Northern, there is a canker at the third node which girdles ...

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