Today was my first day back from the National Association of County Agricultural Agents Conference in Salt Lake City, Utah. This is an annual conference where Extension Educators go to learn more about agriculture, attend workshops, seminars, and various tours of agricultural industry. Awards are presented and new ideas are exchanged. I had the opportunity to ‘Dine with a specialist,’ choosing to spend time learning about weed control in corn, and alfalfa production for the many dairies in the state from Utah State University specialists. Upon return to Ohio, I came back to flooding in northern Hardin County areas of Dunkirk and Patterson. One of the first things I needed to do was check the western bean cutworm traps around the county. As expected, WBC moth counts continue to rise, but not near as bad as some counties to our northwest. See the attached map of Ohio for more information about the location of this corn pest.
Rainfall totals for the month of June were close to normal. In the month of June, Extension rainfall reporters recorded an average of 5.15 inches of rain in Hardin County. Last year, the average rainfall for June was 5.81 inches. Rainfall for June 2017 was 0.16 inches less than the ten-year average rainfall in the month of June. For more information about the past month’s rainfall, see the attached rainfall report for June 2017. Of course that is relative compared to the amount of rain received so far in July. Either way, precipitation has been the story of the crop season so far this year. It must be looking like a clear forecast for a few days as I saw three hay fields mowed as I drove around the county this morning checking crops.
Do you have any questions about your trees and their health? We have been seeing some uncommon things going on with maples this year. Joe Puperi, a tree expert and arborist will be the guest speaker at “An Evening Garden Affair” on Monday, July 24 at Harco Industries in Kenton. He will focus his presentation on selecting, planting, and managing the soil for trees in the landscape. This program is free of charge and will involve a demonstration and questions. If this sounds like something you would be interested in attending, more information about this free program can be found in the attached news release. Last week’s Hardin County Agriculture and Natural Resources Update included information about the upcoming Hardin County Precision Agriculture Field Day August 23 at Kellogg Farms near Forest. You can now go to https://agcrops.osu.edu/events/precision-ag-field-day-hardin-county to find out more information, including a registration link to attend.
Upcoming events this week include Western OARDC Agronomy Field Day at South Charleston, from 9:00 am to 3:00 pm on Wednesday, July 19; and a Soil and Water Conservation District meeting Thursday, July 20 starting at 7:30 am at the SWCD office. I have included agronomy articles below that you might be interested in reading as we try to dry out from the latest gulley washer.
Hail injury to corn varies depending on development stage – Peter Thomison
The impact of hail damage is largely dependent on corn’s stage of development. Hail affects yield primarily by reducing stands and defoliating plants. Most of the hail damage results from defoliation. Generally, the corn plant is little affected by hail prior to the 6-leaf collar stage because the growing point is at or below the soil surface and in the leaf whorl. However, once the growing point is elevated above the soil surface due to internode elongation, the plant grows rapidly and becomes increasingly vulnerable to hail damage with the tassel stage/pollen shedding stage (VT) being the most critical period. Go to https://agcrops.osu.edu/newsletter/corn-newsletter/2017-19/hail-injury-corn-varies-depending-development-stage to read more about this topic if you received hail damage from last night’s storm near Ada and Alger.
Japanese Beetles in Corn and Soybeans – Kelley Tilmon, Andy Michel
We have been hearing reports of Japanese beetles in corn and soybean. These beetles are large with a shiny copper and green color. Foliage feeding in corn is almost never economic, though economic damage from silk clipping is possible (though rare). Consider a rescue treatment when silks are clipped to less than ½ inch and, fewer than 50% of the plants have been pollinated, and the beetles are still numerous and feeding in the field. Read more about determining economic damage from Japanese Beetles in corn and soybean at https://agcrops.osu.edu/newsletter/corn-newsletter/2017-20/japanese-beetles-corn-and-soybeans.
The Western Agronomy Field Day is July 19th – Joe Davlin, Harold D. Watters
The Western Agronomy Field Day will be held Wednesday July 19, 2017, with registration 8:30 a.m. and the program starting at 9:00 a.m., running until 3 p.m. Speakers and topics include: John Fulton – Late Season Nitrogen Management and Application Methods, Mark Loux – How to Manage New Herbicide Resistant Soybean, Laura Lindsey – Soybean Scouting, Anne Dorrance – Wet Year?, How About Soybean Seed Treatments, Steve Culman and Harold Watters– Fertilizer Management, Andy Michel – Stink Bug Demo, Plus more! CCA CEU credits will be available. Location – Western Agricultural Research Station, 7721 South Charleston Pike, South Charleston, Ohio 45368. Cost – Free and open to the interested agronomic crop producers, and their advisors; lunch will be provided to those who pre-registered or if you are lucky enough to get an extra one! Sponsors for the day include the Ohio Soybean Council, DuPont, JD Equipment, Brodbeck Seeds, Syngenta, Integrated Ag, Bayer, and Valent.
Western Bean Cutworm: Time to Scout – Kelley Tilmon, Andy Michel
Western bean cutworm adult moth catches in our trapping network are ticking up, with a noticeable increase from the week before. The current statewide report is below. While we aren’t at peak flight yet, now is a good time to start your corn scouting, particularly in counties with a history of problems. Life cycle and feeding: Adult moths (what we monitor in the traps) will be making their way into corn fields where females will lay eggs on the uppermost portion of the flag leaf. Eggs are laid in unevenly distributed clusters of 5–200, but averaging about 50 per cluster, and hatch within 5–7 days. Eggs first appear white, then tan and then a dark purple. Once eggs turn purple, they will hatch within 24 to 48 hours. In pre-tassel corn, caterpillars will move to the whorl to feed on the flag leaf and unemerged tassel. Once the tassel emerges, larvae then move to the ear, while feeding on corn pollen, leaf tissue, and silks. Later they will enter the ear through the tip, or by chewing through the side of the husk. Damage occurs from both direct feeding and from mold problems at feeding sites. To read more about WBC, go to https://agcrops.osu.edu/newsletter/corn-newsletter/2017-21/western-bean-cutworm-time-scout.
Weather Forecast – Jim Noel
The active weather pattern will continue. The week of July 11th will bring a very warm and humid week with rounds of showers and thunderstorms. Some storms may be severe at times with high winds and heavy rains. Maximum temperatures will be in the 80s to lower 90s this week with overnight lows in the 60s to lower 70s. Temperatures will average about 5 degrees above normal for the week. Relief from the very warm weather will occur this coming weekend again with lower humidity and temperatures returning to not far from normal, likely a few degrees below the normal highs which are generally in the 80s now. Rainfall will average 1-2 inches but again will be highly variable due to thunderstorms ranging from less than an inch to over 3 inches in places. Normal rainfall is near 1 inch for the week. Click on https://agcrops.osu.edu/newsletter/corn-newsletter/2017-21/weather-forecast to find out more about the upcoming weather forecast for the weeks of July 17th and 24th.
Mark A. Badertscher
Agriculture and Natural Resources Educator
OSU Extension Hardin County
1021 W. Lima Street, Suite 103, Kenton, OH 43326