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  1. Bt Resistance in Western Corn Rootworm—The 3rd Shoe Has Dropped

    https://agcrops.osu.edu/newsletter/corn-newsletter/bt-resistance-western-corn-rootworm%E2%80%94-3rd-shoe-has-dropped

    use the 0-3 node injury scale to rate feeding (see this guide by Dr. Chris DiFonzo @ Michigan State ...

  2. C.O.R.N. Newsletter 2013-27

    https://agcrops.osu.edu/newsletters/2013/27

    four uppermost nodes on the main stem).  In Ohio, we are sandwiched between the soybeans that were ... node on the main stem.  In Ohio, soybeans generally enter the R1 stage during the first two weeks of ... Generally the first flower is found at the third to sixth node. R2 – Full flowering.  At the R2 stage, there ...

  3. Adjustments for Late Planted (or Replanted) Soybean

    https://agcrops.osu.edu/newsletter/corn-newsletter/adjustments-late-planted-or-replanted-soybean

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

  4. C.O.R.N. Newsletter 2007-11

    https://agcrops.osu.edu/newsletters/2007/11

    emergence. A mature wheat tiller has four nodes on the stem that correspond to the presence of four main ... The first node is usually from a half inch to three inches from the stem base. Locate this first node ... and then count the number of leaves above this node. At Growth Stage 8 the flag leaf is just emerging ...

  5. Wheat Crop Update: The Crop May be Further Along Than You Think

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-11/wheat-crop-update-crop-may-be-further-along-you-think

    nodes. At Feekes 6, the first node is visible at the base of the stem, about an inch or so above the soil ...

  6. Wheat Heading Growth Stage

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-13/wheat-heading-growth-stage

    Identify the flag leaf, which is the fourth leaf above the lowest node on the stem, and look at the ...

  7. C.O.R.N. Newsletter 2010-09

    https://agcrops.osu.edu/newsletters/2010/09

    can be visually determined when the first node is observed above the soil surface. To check for this ... node, dig up plants from multiple locations in the field, remove the secondary (smaller) tillers and ... that is slightly a different shade of green than the rest of the stem, then the first node is present. ...

  8. Twisted Wheat: Cold temperatures or herbicide damage?

    https://agcrops.osu.edu/newsletter/corn-newsletter/twisted-wheat-cold-temperatures-or-herbicide-damage

    27°F, 21°F, 14°F, and 5°F.  At Feekes 5 (erect growth) and 6 (first node), it could endure temperatures ...

  9. C.O.R.N. Newsletter 2004-20

    https://agcrops.osu.edu/newsletters/2004/20

    One root chewed to within 1-1/2 inch of the plant. 4. One node of the roots destroyed. 5. Two nodes of ... the roots destroyed. 6. Three nodes of the roots destroyed. Modified Node-Injury Scale. Rating by ... roots chewed to 1.5 inches of stalk 0.1 one root chewed to 1.5 inches of stalk 1 one node of roots ...

  10. Some Tips for Evaluating Corn Hybrid Demonstration Plots

    https://agcrops.osu.edu/newsletter/corn-newsletter/some-tips-evaluating-corn-hybrid-demonstration-plots

    occur at nodes (along nodal plates) below the ear. TRANSGENIC TRAITS: Because damage from European corn ... (http://cropwatch.unl.edu/2016/corn-ear-formation-issues-likely-correlated-loss-primary-ear-node).  Husks that remain tight around the ear delay field drydown of the grain. Hybrids with upright ...

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