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Ohio State University Extension

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Ag Crops and Livestock
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Energy and Environment
Insects and Pests


Recent Updates

  1. Man looking at digital device in middle of corn field.

    Corn Growing Degree Days: A Method of Maturity Rating For Hybrids

    Mar 6, 2017

    Because of differences in the growing season for corn across Ohio, practitioners need a method of accurately rating crop’s maturity to ensure maximum yield, quality, and adequate grain moisture at harvest. For this reason, many seed corn companies rate hybrid maturity based on “Growing Degree Days” (GDD) or “Heat Units”.
  2. Palm holding caterpillars with alternating dark and light green stripes on top and pale green undersides.

    Fall Armyworm in Ohio Field Crops

    Aug 25, 2023

    Fall armyworm, Spodoptera frugiperda, is an occasional field crop pest in the Midwest. It feeds on a wide range of plants, including corn, sorghum, small grains, pasture grasses, and forage crops. It is a distinct species from other armyworms encountered in Ohio, such as true armyworm, beet armyworm, and yellowstriped armyworm. Fall armyworm is a tropical species, and in the United States it can overwinter in only the warmest places—southern Texas and South Florida.
  3. Woman in pajamas sits on bed with arms wrapped around her midsection.

    Foodborne Illness: Guess Who Came to Dinner

    Jan 23, 2013

    Have you ever had food poisoning? Food poisoning is the common term many people use to refer to foodborne illness. The exact number of foodborne illness cases that occur each year is difficult to determine because many people attribute their illness to a virus or flu. Public health officials cannot record the number of cases accurately unless the ill person reports their illness to their local health department and/or seeks medical care, which is unusual in mild cases.