by Michael Donahoe | Jul 26, 2013
Target spot disease was confirmed from a sample taken in Santa Rosa County on June 27 and is becoming increasingly widespread on cotton throughout the area. This is likely due to all the rain we’ve been getting and the resulting rank growth in many fields. Studies the...
by Michael Donahoe | Jul 12, 2013
Cotton aphids are beginning to show up in spots in fields. On plant terminals and young leaves feeding may result in distorted growth which may include stunted plants and rolled or downward cupped leaves. When feeding, cotton aphids secrete a sticky honeydew substance...
by Michael Donahoe | Jan 4, 2013
We are approaching the time when several key management decisions need to be made for wheat production. Many of these decisions are made based on the growth stage of the crop. At least five scales are used worldwide to describe the growth stages of wheat...
by Michael Donahoe | Sep 14, 2012
Cotton defoliation will soon be underway in many older planted fields throughout the state. Proper timing of cotton harvest-aid applications is important for optimizing both yield and quality of the crop. Defoliation decisions should be based on the crop and the crop...
by Michael Donahoe | Aug 24, 2012
Target spot/Corynespora leaf spot disease has increased in recent weeks. Many Santa Rosa County fields have been treated at least once with either Twinline or Headline fungicides. The frequent showers appear to be a critical trigger for disease development and...
