
Douglas B. Gucker
IL Extension
dgucker@illinois.edu

Douglas B. Gucker
IL Extension
dgucker@illinois.edu
DOUGLAS B. GUCKER UPDATES
Currently, the corn and soybean crops are looking good. Soybeans range from V3 to R2 (full bloom), while corn varies from V7 to R1 (silking), with most of the crop at V10+ and some expected to reach VT before July 4. Weed control is generally looking good. Alfalfa fields are ready for the second cutting.
The crop conditions across my 3-county area vary from V3 to V7 stage corn, and the soybeans range from unifoliate to blooming. Sidedressing of corn is completed with post-emergent herbicide applications still taking place. The corn and soybean crops look good with few problems.
The few wheat fields in the area are looking good where preventative fungicides were applied earlier. Wheat fields without preventative fungicide applications have numerous diseases present.
The crop conditions across my 3-county area vary from just planted corn to V4 stage corn. The soybean fields are much the same with newly planted to almost V3 (3rd trifoliate). Sidedressing of corn and post emergent weed control are in progress. Crops look good except for fields that have experienced severe weather damage.
It has been quite a week weather-wise. May 16 severe storms caused a Haboob that wind-whipped crops across east-central Illinois. May 20 severe storms brought hail in parts of the area. Currently, all the corn crop has its growing point below ground, so the hail-damaged crop should recover well. Soybeans, on the other hand, may be a different story especially if hail cut the plants off below the cotyledons.
Nearly all cropland is planted with crops stages varying from just emerging to V4 almost V5 stage corn and soybeans nearly at the V3 stage of 3 fully developed trifoliate leaves.
Early planted corn and soybean plants have emerged. Corn is in the 2-leaf stage, nearing the 3-leaf stage. Soybean plants are in the unifoliate stage with their first trifoliates developing. Surveyed 200 fields across my 3-county area, and approximately 75% of the fields are planted. Planting progress did vary widely from 30 to 100% complete due the spotty nature of this spring’s rains.
Ponding is evident in fields where the heavier May 3 rains fell. My Black Cutworm monitoring, according to the IL Natural History Survey, predicts that feeding damage may become evident around the Memorial Day weekend.
Some very welcome rains have been received over the past week with totals varying from less than 1″ to nearly 3″ in my 3-county area. Corn and soybean fields are being harvested with yields being reported as good. If you are planning on letting your corn dry in the field, please check those fields for their standability. and whether they need to be harvested earlier rather than later. I ran across an area where the corn fields had suffered weather stress issues during the growing season and the stalk quality was not great (see photo).
Corn is being harvested in my area, since a large wet milling corn processor announced no discounts for wet corn, only shrinkage to be applied. The only soybeans not turning yellow and reaching maturity are the double-crop fields.
Early planted corn has reached “black layer” with the milkline nearly reaching the tip of the kernel. Late planted corn is in late R4 stage. Early planted soybean leaves are turning yellow and nearly at R7 stage. Double cropped soybeans are reaching the R5 stage. Crops are maturing quickly. Some stinkbug pod feeding is being seen.
Corn is in the dough to dent stage and generally looking good. Fields that have experienced hail after the ear formed are showing ear rots. Corn leaves tattered in every field across the area. No tar spot evident, yet.
Full season Soybean are in the R4-R5 stages and plant health is good. Double crop soybeans are in bloom with small pods forming at the lower nodes.
In general, all the crops are looking good with very few issues other than weather related problems. Last week’s surge in aphid populations is now a thing of the past with rainstorms, disease and predators sending the populations into a nosedive.