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Corn Pollination
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/corn-pollination
As temperatures remain hot for much of the state, corn continues to put on leaf collars and is approaching the start of flowering. Corn is a plant that has separate male (anthers on the tassel) and female (silks in the ear) flowers, and it is critical tha ...
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Watch for Spider Mites in Dry Areas
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/watch-spider-mites-dry-areas
Hot, dry weather encourages certain pests in field crops, in particular spider mites in soybean and occasionally corn. Spider mites are a sporadic problem that most often occurs in August, but infestations in July are possible with sustained periods of h ...
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Online Pesticide and Fertilizer Recertification Available for 2020 Expirations
The Ohio Department of Agriculture (ODA), has partnered with the OSU Extension Pesticide Safety Education Program (PSEP) to offer online recertification for applicators whose licenses expire this year and have been unable recertify as a result of the COVI ...
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Drought Projections Do Not Go Well With Fungicide Applications
Several calls this past week for fungicide applications on corn and soybean at all different growth stages. So let’s review what might be at stake here. Soybeans. Frogeye leaf spot and white mold on susceptible varieties when the environment is favorabl ...
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Foliar Fertilizer Applications to Soybean
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/foliar-fertilizer-applications-soybean
When soybean prices are low, inputs need to be carefully considered. Will I get a return on my investment? In 2019, Ohio State participated in a national protocol to evaluate foliar fertilizer in soybean. Trials were conducted in 13 states and totaled 20 ...
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Western Bean Cutworm Numbers Remain Low Across Ohio
We are now in the second week of monitoring for Western bean cutworm (WBC) in Ohio. Similar to last week, WBC adult numbers remain low in all monitoring counties. Trap counts for the week of June 29 – July 5 resulted in a total of 56 WBC adults (0.67 aver ...
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July Brings on the Heat
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/july-brings-heat
Hot and dry conditions have certainly set in across the Buckeye State. Temperatures this past week have averaged 2-8°F above average, with most locations stringing together at least five consecutive days above 90°F and more to come. Based on the forecast, ...
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Mid-Season Weed Management in Soybeans – Hot, Dry Edition
A few weed-related observations while we try to stay cool and hope for a day of rain or at least popup thunderstorms. One of the frequent questions during extended dry weather is – do I wait for rain before applying POST herbicides, or just go ahead and a ...
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Emma Matcham
https://agcrops.osu.edu/people/emma-matcham
Emma Matcham Ashtabula County ...
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Potassium Deficiency?
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-21/potassium-deficiency
Potassium deficiency symptoms of corn and soybean include yellowing/browning of lower (older) leaves with edges exhibiting symptoms first. Potassium deficiency symptoms can indicate low soil test potassium (K), but may also be related to recent dry soils, ...