Fall is here officially and the drop in temperature, certainly seems to confirm so. For the first time since spring, I threw a jacket in the truck, just in case the wind decided to blow. It would be nice for things to dry out so the crops can continue to mature, for a somewhat timely harvest. While it may have come too fast for some, I tend to enjoy autumn for many reasons, harvest occurs, leaves change, and Big 10 football just to name a few. Continue reading From Across the Field – Feels Like Fall
Insects
Local Agronomic Insect Report – 8/27/18
For the week of 8/19-8/25. With western bean cutworm number back in the single digits trapping efforts will now focus in late generation corn borer, which can cause significant damage in late season corn. Barring a drastic increase in ECB moth numbers this will be the last agronomic insect report for the 2018 growing season.
WBC:
Freedom – 2
Monroe – 0
Pleasant -1
Bartlow – 6
NWARS – 0
ECB:
Freedom – 2
Bartlow – 0
BMSB:
Flatrock – 0 male; 0 female; 0 nymphs
Late-Season Pod Feeding by Bean Leaf Beetle or Grasshopper
By: Kelley Tilmon and Andy Michel, Ohio State University Extension, Previously published in the C.O.R.N. Newsletter
We have heard a few reports of either bean leaf beetles or grasshoppers increasing in soybeans. As we start to approach the end of the growing season the larger concern with these insects is the potential for pod feeding, rather than foliage feeding. Pod feeding directly impacts grain quality. Crop stage is also an important consideration. Continue reading Late-Season Pod Feeding by Bean Leaf Beetle or Grasshopper
Local Agronomic Insect Report 8/12-8/18
For the week of 8/12-8/18. With western bean cutworm number back in the single digits trapping efforts will now focus in late generation corn borer, which can cause significant damage in late season corn.
WBC:
Freedom – 2
Monroe – 0
Pleasant -0
Bartlow – 1
NWARS – 0
ECB:
Freedom – 4
Bartlow – 2
BMSB:
Flatrock – 0 male; 1 female; 0 nymphs
Local Agronomic Insect Report 7/29-8/4
For the week of 7/29-8/4.With western bean cutworm number back in the single digits trapping efforts will now focus in late generation corn borer, which can cause significant damage in late season corn.
WBC:
Freedom – 6
Monroe – 0
Pleasant -0
Bartlow – 3
NWARS – 1
ECB:
Freedom – 2
Bartlow – 1
BMSB:
Flatrock – 0 male; 0 female; 0 nymphs
Japanese Beetles in Corn and Soybean
By: Kelley Tilmon, Andy Michel OSU Extension Entomologists, previously in the C.O.R.N. newsletter
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. Continue reading Japanese Beetles in Corn and Soybean
Local Agronomic Insect Monitoring Report – 7/31/18
For the week of 7/22-7/28. Western Bean Cutworm numbers have dropped significantly in a weeks time. If you are out scouting the economic threshold is 5 egg masses per 100 plants scouted. Eggs range in color from white to purple (close to hatching) are are usually found on upper leaves of the plant.
WBC:
Freedom – 17
Monroe – 16
Pleasant -6
Bartlow – 13
NWARS – 12
ECB:
Freedom – 0
Bartlow – 0
BMSB:
Flatrock – 0 male; 0 female; 0 nymphs
Local Agronomic Insect Trapping Report 7-10
For the week of 6/24-6/30. No traps at the economic threshold for treatment for Western Bean Cutworm (WBC), European Corn Borer (ECB), or Brown Marmorated Stink Bug (BMSB).
WBC:
Freedom – 9
Monroe – 0
Pleasant -0
Bartlow – 2
NWARS – 0
ECB:
Freedom – 2
Bartlow – 0
BMSB:
Flatrock – 0 male; 0 female; 0 nymphs
Local Agronomic Insect Trapping Report 7-3
For the week of 6/24-6/30. No traps at the economic threshold for treatment for Western Bean Cutworm (WBC), European Corn Borer (ECB), or Brown Marmorated Stink Bug (BMSB).
WBC:
Freedom – 6
Monroe – 1
Pleasant -1
Bartlow – 5
NWARS – 0
ECB:
Freedom – 0
Bartlow – 0
BMSB:
Flatrock – 0 male; 0 female; 0 nymphs
They’re back…Japanese Beetles on the Rise
This article was written to complement Celeste Welty’s blog on Japanese beetle insecticide selection last week (http://u.osu.edu/vegnetnews/2018/06/30/insecticide-notes/).
One of Ohio’s most recognizable leaf feeders, the copper-colored and metallic green Japanese beetle, is on the rise. According to scattered reports across the state, this beetle has been leaving a trail of skeletonized leaves on an array of landscape plants, field crops, vegetable and fruit crops. Continue reading They’re back…Japanese Beetles on the Rise