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

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

    plots.  Symptoms are continuing to develop.  This is a root pathogen which is caused by a fungus.  This ... stem rot.  If it is clear and there are blue spores on the tap root, then it is SDS.  Soybean plants ... stem with a fully developed trifoliolate leaf node. Root growth will decline and stop at this stage. R7 ...

  2. C.O.R.N. Newsletter 2008-12

    https://agcrops.osu.edu/newsletters/2008/12

    extended cool wet conditions alone.- Seed with poorly developed radicle (root) or coleoptile. Coleoptile ... dead or dying. Seeds and seedling roots or shoots that have a weft of white to pinkish mold growing on ... cold soil conditions or by crusting of the soil surface. However, dark, discolored roots and crowns, ...

  3. C.O.R.N. Newsletter 2005-05

    https://agcrops.osu.edu/newsletters/2005/05

    plants indicate that the crowns and upper roots are exposed with only a few roots remaining in the soil. ... nitrogen. Remember that these over-wintered plants must develop new root systems before they can take up ... one half inch to an inch and a half above the roots. Determining this growth stage is important for ...

  4. C.O.R.N. Newsletter 2010-24

    https://agcrops.osu.edu/newsletters/2010/24

    soybeans and all of sudden the beans are knee high it is time to dig some up and take a look at the roots ... rains.  The roots are often rotted and the canker goes from the roots up to 6 or 7 nodes of the plant.  In ... SDS, but the crown of the roots looked like they had grains of pepper scattered throughout.  In ...

  5. C.O.R.N. Newsletter 2007-28

    https://agcrops.osu.edu/newsletters/2007/28

    where water never covered the ears, prolonged flooding may cause significant injury to the roots, if not ... premature root death. Such plants will be more vulnerable to stalk rots thereby increasing the likelihood of ... 3-days of saturated conditions before much root injury takes place. After the 3-days, the carbon dioxide ...

  6. C.O.R.N. Newsletter 2008-18

    https://agcrops.osu.edu/newsletters/2008/18

    full leaf stage) and check the roots after you remove wet soil. If plants are white, they are healthy. ... phosphate and potassium per ton, but supplies its own nitrogen by fixation in the roots. Forages cropped ... (before the plants go dormant) is very helpful for the crop to store nutrients in their roots and ...

  7. C.O.R.N. Newsletter 2004-34

    https://agcrops.osu.edu/newsletters/2004/34

    fields. Soybean Cyst Nematode is a roundworm, that invades roots and in the adult stage the females stay ... in one spot and begin to swell with eggs. These females look like white pearls along the roots and ... for those fields that you haven’t harvested, you can still find them on the roots if SCN populations ...

  8. C.O.R.N. Newsletter 2013-30

    https://agcrops.osu.edu/newsletters/2013/30

    base of the plant and roots are decayed while in stem canker the roots and base of the plant are ... Take-all root rot. Plants severely infected in the fall and winter will become weak and discolored in the ... dormancy, with smaller and more shallow root systems than normal, making them more susceptible to heaving ...

  9. C.O.R.N. Newsletter 2008-31

    https://agcrops.osu.edu/newsletters/2008/31

    will be distributed back to the fields at harvest. 4. Charcoal rot is another root disease caused by ... the tap root and pull back the outer layer of the epidermis. Often, there will be dark lines but the ... key is a look like pepper was sprinkled on the tap root. These are predominately microsclerotia that ...

  10. Corn Hybrid Selection – 2015

    https://agcrops.osu.edu/newsletter/corn-newsletter/corn-hybrid-selection-%E2%80%93-2015

    growers should consult with their seed dealer on hybrid sensitivity to root lodging and greensnap ...

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