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  1. Foliar Diseases Already Showing up in Corn

    https://agcrops.osu.edu/newsletter/corn-newsletter/2015-20/foliar-diseases-already-showing-corn

    about V10 (ten-leaf stage) to VT across the state. With such a wide variation in crop development, if ...

  2. C.O.R.N. Newsletter 2008-13

    https://agcrops.osu.edu/newsletters/2008/13

    seed treated fields. Please let us know of any outbreaks of either of these pests. Use of Rock ... alike. One particular input of interest is rock phosphate, which sells for about a third the price per ... purified and processed, contains about 11.5 to 17.5% P (27 to 41% on a P2O5 basis). Of that, none of it is ...

  3. C.O.R.N. Newsletter 2013-31

    https://agcrops.osu.edu/newsletters/2013/31

    Hybrids will likely differ widely when faced with strong stalk rot pressure. Begin checking plants about ... 6 weeks after pollination (at about black layer) by pinching lower stalk internodes with your thumb and ... some approximate basis for comparisons among hybrids but may not indicate much about actual yield ...

  4. C.O.R.N. Newsletter 2009-33

    https://agcrops.osu.edu/newsletters/2009/33

    spread uniformly across the field. Nothing can the done about top dieback at this time and it is ... good publication on diagnosis of Anthracnose top die back at ... try and take soil samples at about the same time of year, either in fall following the harvest or in ...

  5. C.O.R.N. Newsletter 2007-19

    https://agcrops.osu.edu/newsletters/2007/19

    white, about 1/2 inch in length when full grown with a brown head and brown plate on the tail ... estimates of the National Crop Insurance Association, at the 11-leaf stage (or about V9) if 50% of the leaf ... grain to ensure good quality wheat. Wheat grain is about 30 percent moisture when it reaches ...

  6. C.O.R.N. Newsletter 2005-27

    https://agcrops.osu.edu/newsletters/2005/27

    leaves contribute a significant portion (about 75%) of the carbohydrates for grain fill. Applications ... recommend application and incorporation about 6 months prior to seedling), if soil pH is a bit low you can ... a little late, application of a small amount of nitrogen may be beneficial (only about 10 lb N/acre). This ...

  7. C.O.R.N. Newsletter 2004-23

    https://agcrops.osu.edu/newsletters/2004/23

    "blister" stage of kernel development). This usually occurs about 10 to 14 days after fertilization of the ... the south and arrive in Ohio by about mid June to early July. Spores germinate and infect the leaves ... in about 6 hours when water is present on leaf surfaces and the temperature is between 60 and 77 ...

  8. C.O.R.N. Newsletter 2007-03

    https://agcrops.osu.edu/newsletters/2007/03

    most agronomists. In Ohio, corn grown following soybeans typically yields about 10% more than ... handouts, an OSU agronomy publication, CCA credits and Commercial Applicator Credits. Registration is due no ...

  9. C.O.R.N. Newsletter 2007-05

    https://agcrops.osu.edu/newsletters/2007/05

    plants. Larvae feed on corn roots and are full grown in about two weeks. There are at least two ... we are concerned about each year in corn. Last year was an extremely bad year for this insect. ... Many sprayers are adjustable and can accommodate a wheel spacing of about eight to twelve feet. The ...

  10. C.O.R.N. Newsletter 2012-32

    https://agcrops.osu.edu/newsletters/2012/32

    can accumulate in about any cover crop, including oat, cereal rye, annual ryegrass, and brassica ... US, even those that are reported to be non-hosts to some populations.  Care should be taken in ... remain and the silage should be analyzed before feeding. What about frosted alfalfa, clover, and grasses? ...

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