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Asiatic Garden Beetles Continue to be an Issue in NW Ohio
Grubs of the Asiatic Garden Beetle (Maladera castanea) have been making their presence known in Northwest Ohio corn fields since 2012. For a long time this grub has been a pest in the lawn and turf industry, but in past few years it has severely damaged ...
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“Rootless” and “Floppy Corn” Make an Appearance
Last week I received several reports of “rootless” and “floppy corn” in Paulding County (Figure 1). Rootless corn (or rootless corn syndrome) occurs when there is limited or no nodal root development. Plants exhibiting rootless corn symptoms are often lea ...
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When to Spray Soybeans Field Day
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-17/when-spray-soybeans-field-day
Assessing soybean diseases and insect pressure can be difficult without proper training and experience. On July 8, 2014 farmers and crop consultants are invited to attend a 2 hour in-field session with Drs. Anne Dorrance and Andy Michel. Anne Dorrance is ...
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Weather Outlook for the First Half of June
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-16/weather-outlook-first-half-june
It appears a cool low pressure will anchor over southeast Canada in June while a dome of very warm air will anchor over the southern U.S. This will leave the corn and soybean Midwest into the Ohio Valley in the target zone which will bring a more active p ...
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Cressleaf Groundsel- The Ubiquitous Yellow Weed
Cressleaf groundsel has been abundant throughout parts of Ohio for a while, but every year a few additional hay producers get to experience it for the first time apparently. We have some resources available online about the biology and control of this we ...
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Predicting Leaf Development in Corn Using Accumulated Heat Units
When estimating yield losses in corn due to hail, frost, and other types of plant injury, it’s essential to establish the stage of plant growth at the time damage occurred. It’s also important to know corn stage of development in order to apply post-emerg ...
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Evaluating Soybean Stand
https://agcrops.osu.edu/newsletter/corn-newsletter/2014-16/evaluating-soybean-stand
As soybean planting wraps up, it’s time to consider evaluating soybean stands. Planting conditions were not always ideal this year. Soil conditions were a little wet when planting started and now have turned fairly dry in most areas. Here are some poin ...
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The Risk for Scab Continues to be Low as We Enter Early Grain-fill
A June 2 Update: Wheat across Ohio is now between anthesis and early grain-fill. Barring a few late-planted fields in some parts of Northern Ohio that are now at the flowering growth stage, most of our wheat reached anthesis late last week and during the ...
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Ohio State Continues Corn Nematode Field Survey
Co-Authors also are Abasola Simon and Anne Rugh. This season, researchers from the department of Plant Pathology at Ohio State will again be sampling corn fields for nematodes. This is the third and final year of a three-year project to determine which ne ...
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Should seeding rates be adjusted for delayed corn plantings?
Past university research indicates that optimal plant populations for early (mid to late April) and late planted (late May to early June) corn are similar. Based on results of these studies, most extension agronomists recommend that final plant population ...