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2016 Goss's wilt ratings and disease information
Traditionally a problem disease in the western Corn Belt, Goss’s wilt is now prevalent across the Corn Belt and spreading into Canada. Once corn plants are infected, yield potential can be reduced by up to 50 percent. There are no effective chemical control measures for Goss’s wilt. The best way to limit spread of the disease is by selecting hybrids with strong Goss’s wilt tolerance. This bulletin provides information about Goss’s wilt and tolerance ratings for Mycogen® brand corn hybrid families. The ratings are the result of 2011-15 field trials conducted in Illinois, Iowa, Minnesota, Nebraska, South Dakota and Wyoming.

Goss’s wilt is caused by the bacterium Clavibacter michiganensis subsp. nebraskensis. It overwinters in infected corn residue, primarily found on or near the soil surface. Inoculum in the infected residue primarily spreads by wind and splashing rain. To a minor degree, Goss’s wilt also can survive in seed. To infect a corn plant, the bacterium needs an entry point or wound, which is generally caused by heavy rainstorms, hail, wind, blowing sand or mechanical damage. Humid, wet weather is another risk factor because moist or wet leaves are conducive to the spread of disease. Read more
Keep soil pH in mind when selecting hybrids and fertilizer.
Corn hybrid selection and fertility planning are key in alkaline, or high pH, soils. High-pH soils reduce the availability of plant nutrients, including zinc, iron and phosphorus. Interveinal yellow stripes on middle to upper leaves are signs of iron deficiency, while white stripes on young leaves are characteristic of zinc deficiency. Dark green or purple coloring of lower leaves indicates phosphorus deficiencies. Read more
Five Tips for Selecting Grain Corn Hybrids (Video)
The key to a successful growing season is advanced preparation. Early hybrid selection and ordering helps to give the best hybrid selection and maximize the yield potential on your farm. Agronomist Jon Erickson offers seven steps on selecting the right grain corn hybrids for your acres. Read more
Five Steps For Quality Corn Silage Harvest (Video)
A successful harvest is very important to dairy producers. Planning, dry matter, kernel processing, particle length, and storage are critical because dairy producers will use that silage for the next year or greater. John Brouillette, Mycogen Seeds dairy nutritionist and Jon Erickson, Mycogen Seeds commercial agronomist provide tips for quality silage harvest.

For more information about silage harvest, check out this agronomy article. Read more