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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. 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 ...

  3. Wind damage in corn- “Green Snap” and Root Lodging

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-23/wind-damage-corn-%E2%80%9Cgreen-snap%E2%80%9D-and-root-lodging

    damage from recent wind storms).  Breaks in the stalk usually occur at nodes (along nodal plates) below ... nodes. Vulnerability to green snap damage varies among hybrids. However, all hybrids are at risk from ...

  4. 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 ...

  5. Managing Corn Harvest this Fall with Variable Corn Conditions

    https://agcrops.osu.edu/newsletter/corn-newsletter/2019-34/managing-corn-harvest-fall-variable-corn-conditions

    set the deck plates 1/16 of an inch wider at the front than the third node width of a corn stalk. If ...

  6. 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 ...

  7. 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 ...

  8. Stalk Quality Concerns

    https://agcrops.osu.edu/newsletter/corn-newsletter/2018-33/stalk-quality-concerns

    wounds made by corn borers, hail, or mechanical injury. Occasionally, fungal invasion occurs at nodes ... stalk integrity, one or more of the inner nodes can easily be compressed when the stalk is squeezed ... the lowest node, stalk rot is usually present. To minimize stalk rot damage, harvest promptly after ...

  9. What is the R3 Growth Stage?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2018-23/what-r3-growth-stage

    nodes on the main stem with a fully developed leaf. (A leaf is fully developed and the node is counted ... when the leaf at the node immediately above it is open.) The soybean plant pictured is at the R3 growth ...

  10. Wheat Growth Stages and Associated Management- Feekes 6.0 through 9.0

    https://agcrops.osu.edu/newsletter/corn-newsletter/2018-08/wheat-growth-stages-and-associated-management-feekes-60-through

    ineffective applications. Feekes 6.0, the nodes are all formed but sandwiched together so that they are not ... readily distinguishable. At 6.0, the first node is swollen and appears above the soil surface. This stage ... is commonly referred to as “jointing.” Above this node is the head or spike, which is being pushed ...

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