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Updated: December 4, 2023
Optimizing Early Season Pest Management for Maryland Field Corn
In order to capture the range of pest pressures and growing conditions in Maryland, we replicated our study across 3 UMD research farms (Keedysville, Beltsville, and Queenstown) and over 3 years (2020-2022). At each location we planted one field of a Bt hybrid and one field of a similarly-yielding non-Bt hybrid as early as possible in the growing season (Table 1). In 2020 our Bt hybrid was LC1196 VT2P (Local Seed, Memphis, TN) which expresses Cry1A.105/Cry2Ab2 proteins. In 2021 and 2022 we planted P1197YHR (Pioneer Hi-bred International. Johnston, IA) which contains Cry1Ab and Cry1F proteins. We planted P1197LR (Pioneer Hi-bred International, Inc. Johnston, IA) for our non-Bt hybrid all three years. All hybrids had excellent yield potential and were grown with standard no-till practices. In each field we established 3 replicates of 3 treatments at planting: 1) an untreated control, with bare seed and no in-furrow product, 2) an in-furrow pyrethroid treatment using Capture LFR® (active ingredient: bifenthrin, rate: 13.6 fl oz/acre), and 3) an NST treatment using Poncho® (active ingredient: clothianidin, rate: 0.25 mg/seed). Each replicate consisted of 24 rows of corn at 30 inch row spacing, and was 200 feet long.
Updated: December 1, 2023
Grain Market Report
Grain Market Summary for the Agronomy News
Updated: October 9, 2023
Tar Spot Confirmed in Maryland for 2023
Tar spot of corn has been confirmed in Maryland for the 2023 growing season. The first report came from a field in Cecil county, followed by several additional reports in Harford and Carroll county.
Updated: October 9, 2023
Tar Spot Confirmed in Additional Counties in Maryland
During the month of September we have confirmed the presence of tar spot of corn in four additional counties in Maryland. Fields with tar spot in Queen Anne’s and Kent County were found on September 19, Baltimore County on September 22, and Caroline County on September 25. This brings the confirmed distribution from Carroll County east to Cecil and south on the shore to Caroline county (Figure 1).
Updated: October 9, 2023
Agronomy News-October 2023
Agronomy Newsletter -October 2023, Volume 14, Issue 7. Topics include: Pesticide & Nutrient Management Trainings, EPA Webinar on Bulletins Live Two, 2023 Crop Management School Registration, Scout for Aphids in Small Grains, 2022-2023 Cover Crop Growth and Tillage, On-Farm Research Trials, Tar Spot Confirmed in Additional Counties, Job Openings: Nutrient Management Advisors, Updated Tax Credits for Farmer Food Donations, Farm Storage Facility Loan Program, Cost-Share for Manure Transport & Injection, Grain Market Report, Weather Outlook, Regional Crop Reports.
Updated: September 11, 2023
Agronomy News-September 2023
Agronomy Newsletter -September 2023, Volume 14, Issue 6. Topics include: Farmland Rental Averages, Mid-Atlantic Crop Management School, Nutrient Management Farmer Training, Tar Spot Confirmed in Maryland for 2023, SARE Farmer Grants, Nitrogen Modeling Survey, Beneficial Stink Bugs in Crops, Deer Damage Survey, Wildlife Wednesday Webinars, On-Farm Research Trials, Weather Outlook, and Regional Crop Reports.
Updated: August 8, 2023
When Does Corn Rally in August?
All eyes have been on news headlines coming from the Black Sea for the last two to three weeks since the termination of the previous agreement between Russia and Ukraine. The escalation in the war between these two nations has seen drone strikes, missile engagements, and major destruction of Black Sea ports like Odessa in Ukraine. Traders have watched these headlines and acted accordingly in the market place as the price of corn and wheat retraced previous months losses.
Updated: July 17, 2023
Agronomy News-July 2023
Agronomy Newsletter -July 2023, Volume 14, Issue 4. Topics include: Wildlife Management Symposium, Nutrient Management Update, Cover Crop Sign-Up, Interested in Planting Green?, Cover Crop Seeding Forum, Wheat Quality and Falling Numbers, Weather Market Phenomena, Hay and Straw Directory, Corn and Soybean Fungicide Charts, Scouting for Tar Spot in Corn, Pesticide Exam Now Available Online, LEAD Maryland Applications Open, Weather Outlook, and Regional Crop Reports.
Updated: July 17, 2023
Scout for Tar Spot in Corn
Tar spot in corn, Tar spot is a foliar disease of corn caused by the fungus Phyllachora maydis. This disease has the potential to significantly impact yield.
Updated: June 6, 2023
What a Droughty Spring Means for Corn and Soybeans
What a droughty spring means for corn and soybeans. Andrew Kness shares his views on the pressing issue.
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