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Update on Kudzu Bugs in Ohio
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-20/update-kudzu-bugs-ohio
Last week, the University of Kentucky reported the presence of the invasive kudzu bug in another county (http://kentuckypestnews.wordpress.com/2014/06/24/kudzu-bug-collected-in-christian-county-ky/). This is a severe pest of soybean, and is rapidly sprea ...
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Expectations for Western Bean Cutworm
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-20/expectations-western-bean-cutworm
For the past 8 years, we have used pheromone traps to monitor the presence of western bean cutworm. This is a relatively new pest for Ohio that is a significant ear-feeder on corn. Adult flight typically begins towards the end of June, and can last throu ...
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Determination of Ear Size in Corn Well Underway
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-20/determination-ear-size-corn-well-underway
During the past two weeks corn has “exploded” in growth in many Ohio fields. Under favorable growing conditions corn plants can grow nearly three inches per day between V8 (i.e., the eight leaf collar stage) and V15. However, there is considerable variab ...
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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 ...