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Burndown Herbicides for No-tillage Wheat
This summer’s weather caused problems with weed control in some areas of the state, and this certainly includes our two major weeds, giant ragweed and marestail. As we move through harvest and into the season of wheat planting and fall herbicide applicat ...
Does your field have Western Bean Cutworm larva?
Over the past few weeks, we have been receiving calls, emails and texts about finding large caterpillars feeding on corn ears (see photo). In most cases, these are turning out to be Western bean cutworms. Although our numbers have been about the same as ...
Estimating Soybean Yield
To estimate yield, four soybean yield components need to be considered: plants per acre, pods per plant, seeds per pod, and seeds per pound (seed size). A printable worksheet to estimate soybean yield can be found by clicking here. It is difficult to a ...
Stink bugs in Soybeans
As our soybean begins to develop flowers and pods, we need to be aware of stink bugs that will begin feeding. Although more common in the southern US, we have been noticing more stink bugs in soybean the past few years, even some fields where economic da ...
Residual Herbicide Issues – were they applied, are they working, what to do
While a variety of rainfall and soil moisture conditions can be found around Ohio, a shortage of rain following application of residual herbicides seems to be common. We are hearing about weeds emerging early in the season even where residual herbicides ...
Early Insect and Slug Concerns
For a couple of weeks we have been warning about the possibility of black cutworms based on adult catches reported by surrounding states. We have begun to observe some minor feeding on corn, suggesting that the larvae are there and the worst of the damag ...
Cold Weather and Wheat Injury
Last week, temperatures in northern Ohio dipped below freezing prompting some concerns about possible injury to the wheat crop. The effect of cold weather depends on the wheat growth stage. Maximum resistance to cold weather occurs in December-February. A ...
Late-Season Weed Issues – Are We Having Fun Yet?
According to our weather guru, there is no close precedent for a summer like this in the last 100 years, and I can’t recall a year with this much mid-season rain in my almost 30 years here. This has obviously caused immense problems with post-emergence h ...
Wet Weather and Late-Season Fungicides
Wet weather is continuing to be a problem throughout the state, and many questions are popping up regarding late-season fungicides. With funding from Ohio Soybean Council, we conducted a “high-input” trial in 2013 (9 locations) and 2014 (7 locations) to ...
More on Fungicides and Tank-Mixing with Insecticides
Foliar diseases continue to spread up the corn plant in some fields, so, this may be the year to apply a foliar fungicide to minimize losses due to diseases such as Northern Corn Leaf Blight (NCLB) and Gray Leaf Spot (GLS). Both GLS and NCLB may cause yie ...