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  1. Should we add Diaporthe stem canker and Cercospora leaf blight to our list of disease ratings for Ohio in 2018?

    https://agcrops.osu.edu/newsletter/corn-newsletter/2017-31/should-we-add-diaporthe-stem-canker-and-cercospora-leaf-blight

    leaves attached. The canker is not as well defined but can occur from the third node at the bottom of the ... are the actual fungus. The bottom two nodes of the plant are still green – which can separate it from ...

  2. 2015 Ohio Wheat Performance Test Available Online

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-26/2015-ohio-wheat-performance-test-available-online

    at:  http://stepupsoy.osu.edu/node/35.   A sortable version of the Ohio Wheat Performance Test can be ...

  3. Stalk Rots Showing Up in Some Corn Fields

    https://agcrops.osu.edu/newsletter/corn-newsletter/2014-33/stalk-rots-showing-some-corn-fields

    nodes can easily be compressed when squeezing the stalk between thumb and finger. It is possible by ... vertical. If the stalk breaks between the ear and the lowest node, stalk rot is usually present. To minimize ...

  4. C.O.R.N. Newsletter 2005-20

    https://agcrops.osu.edu/newsletters/2005/20

    scars present. 3. 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 ... stalk 1 = one node of roots destroyed 2 = two nodes of roots destroyed 3 = three nodes of roots ...

  5. Late season diseases are making their appearance

    https://agcrops.osu.edu/newsletter/corn-newsletter/late-season-diseases-are-making-their-appearance

    early.  This fungus also infects plants at the third or fourth node and basically girdles the plants.  ... is that the plant will be green, no internal infection in the lower 3 nodes = whereas with ...

  6. C.O.R.N. Newsletter 2011-09

    https://agcrops.osu.edu/newsletters/2011/09

    have your soybean crop produce as many plant stem nodes as possible, simply because plant nodes are ...  (temperature sensitivity is much less, given that a new node is produced on the main plant stem about once ... every 3.7 days (i.e., about two nodes per week), until node accrual ceases at the R5 stage, when seed ...

  7. 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 ...

  8. 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 ...

  9. 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 ...

  10. Wheat Nitrogen Rates

    https://agcrops.osu.edu/newsletter/corn-newsletter/2017-06/wheat-nitrogen-rates

    before Feekes GS 7 (two visible nodes). Ohio State University recommends the Tri-State guide for N rates ...

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