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Corn Leaf Striping
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/corn-leaf-striping
In addition to widespread yellowing, corn plants in many Ohio fields are expressing varying degrees of leaf striping (interveinal chlorosis). There are several nutrient deficiencies (including sulfur, zinc, magnesium, and manganese) that result in leaf st ...
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It was High Quality Seed--Where are the Stands?
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/it-was-high-quality-seed-where-are-stands
Several reports from fields in parts of the state with repeated saturating rains are reporting high amounts of damping-off of soybean or corn. Symptoms of damping-off at this time of year will appear as random skips of 1 to a few plants in a row. The di ...
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Should You Expect Soybean Aphids This Year?
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/should-you-expect-soybean-aphids-year
In 2013, we found soybean aphids in many fields in northern OH. Although the aphids arrived later than usual—anywhere from R4-R6 stage—populations did reach economic threshold in later planted beans. What should we expect in 2014? Soybean aphid populat ...
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Watch for Potato Leafhopper in Alfalfa
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/watch-potato-leafhopper-alfalfa
Now that planting is pretty much finished, many producers were able to finish their first harvest of alfalfa over the past week or so. This is the time that potato leafhoppers migrate northward and begin to establish populations in alfalfa. When the cro ...
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Wet Pattern Forecast in June Continues as Expected
The wet pattern that was forecast for our region in June continues as expected. The last week of June will end wetter than normal with many places getting 0.75- 1.50 inches with isolated totals of several inches. With the high water content in the ground ...
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Hardin Corn Rootworm Twilight Tour
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/hardin-corn-rootworm-twilight-tour
Do you know how to dig corn roots and look for the presence of Corn Rootworm damage? Hardin County OSU Extension will be offering a Corn Rootworm Twilight Tour on Tuesday, July 1 at 7:00 pm. Participants at this Twilight Tour will learn how big a proble ...
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OSU Weed Science Field Day
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/osu-weed-science-field-day
The 2014 OSU Weed Science Field Day will be held on Wednesday July 9 at the OARDC Western Ag Research Station. Registration starts at 8:30 and a field tour with presentations by OSU faculty, staff and students will start at 9 am. There is also, as usual ...
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Western ARS Agronomy Field Day July 16
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-19/western-ars-agronomy-field-day-july-16
Nothing is perfect this year, but we want to help you get to harvest with a little more clarity as to what the potential may be. Please attend our OSU Extension and OARDC Western ARS Agronomy Field Day on July 16. Check-in is from 8:30 AM to 9 with the wa ...
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Controlling Marestail Postemergence in Corn
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-18/controlling-marestail-postemergence-corn
We have received more questions about postemergence marestail control in corn this year than the past 10 years combined. We do not currently show effectiveness ratings on marestail for postemergence corn herbicides in the “Weed Control Guide for Ohio and ...
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Yellow Corn-What is Going On?
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-18/yellow-corn-what-going
Recent cloudy, cool, rainy weather has slowed growth of corn. Corn seedlings often turn yellow due to low nitrogen uptake and/or limited chlorophyll synthesis under cool, wet conditions. The visual appearance may be interpreted as N deficiency, but often ...