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  1. C.O.R.N. Newsletter 2013-37

    https://agcrops.osu.edu/newsletters/2013/37

    more on the partial resistance (field resistance) for management of Phytophthora root and stem rot part ... sulfate.  Sulfur must be in the sulfate form to be taken up by plant roots.  Fall applied elemental sulfur ...

  2. C.O.R.N. Newsletter 2013-32

    https://agcrops.osu.edu/newsletters/2013/32

    factors can cause lodging including wind damage and poor root growth, so a careful examination of the ... roots is necessary.  If you suspect damage, please contact entomology state specialists ...

  3. C.O.R.N. Newsletter 2011-07

    https://agcrops.osu.edu/newsletters/2011/07

    developed more root rot and greater severity of foliar symptoms at cooler temperatures (62 and 73) than ... a management tool in which under high disease pressure, some roots do become infected but that infection is ... growth on agar assays and there is also some protection against root infection but it is not a complete ...

  4. C.O.R.N. Newsletter 2011-14

    https://agcrops.osu.edu/newsletters/2011/14

    likelihood of economic problems of corn rootworms, perhaps because of the lack of corn root development and ... Phytophthora root and stem rot.  Not all varieties sold have high levels of partial resistance (tolerance) and ... prevention of damaging black shank.  This method of application will place the fungicide in the root zone at ...

  5. C.O.R.N. Newsletter 2009-16

    https://agcrops.osu.edu/newsletters/2009/16

    saturated; these spores are attracted to plant roots. The damage by these pathogens are most severe prior to ... addition, roots of both plants can be infected as necrotic root lesions develop throughout the season. ... Without a strong healthy root system – plants have a tough time making grain. Management of these water ...

  6. C.O.R.N. Newsletter 2004-26

    https://agcrops.osu.edu/newsletters/2004/26

    between the leaf veins is all brown surrounded by bright yellow. SCN can be found on the roots. Dig the ... plants out of the soil and look for tiny white pearls on the roots. If you hold the roots in the air for ...

  7. C.O.R.N. Newsletter 2010-13

    https://agcrops.osu.edu/newsletters/2010/13

    the epidermis is killed and you can easily pull this off the roots and expose the root stele (center) ... which is white. If it is was infected with a pathogen, all of the root will be brown and totally ...

  8. C.O.R.N. Newsletter 2012-40

    https://agcrops.osu.edu/newsletters/2012/40

    Upper Sandusky and Van Wert, experienced green snap injury and widespread root lodging due to strong ... winds from June 30 to July 1. There was considerable variability among hybrids for root lodging and ... green snap. Much of the root lodged corn recovered and showed little evidence of injury at harvest. ...

  9. C.O.R.N. Newsletter 2012-22

    https://agcrops.osu.edu/newsletters/2012/22

    spreadsheet gives a “ballpark” estimate of the water deficit.  Crop rooting depth influences water uptake ... harvested for silage. Nitrates absorbed from the soil by plant roots are normally incorporated into plant ... dry soil surface, plant roots will not absorb nitrates. Some soil moisture is necessary for absorption ...

  10. C.O.R.N. Newsletter 2005-38

    https://agcrops.osu.edu/newsletters/2005/38

    next year in their soybean fields, and to sample roots for feeding injury in their first year corn for ...

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