The use of seed treatments for early season insect and disease management
By Dusty Sonnenberg, CCA, Field Leader, a project of the Ohio Soybean Council and soybean check-off.
Planting progress continues across Ohio going into the fourth week of May. As crops are emerging, stand evaluation is taking place. It is also the time to be on the lookout for early season insect and disease pressure.
The environment a crop is planted into can contribute to both insect and disease pressure on the newly established crop. “When it comes to seed corn maggot, the biggest risk factor for having a seed corn maggot problem in the first place is for farmers who disk in any type of organic matter into the soil before planting. That would include a cover crop, or previous alfalfa field, or disking in manure,” said Dr. Kelley Tilmon, OSU Extension Entomologist. “If planting occurs within a week to 10 days after that organic matter is incorporated into the soil, flies that lay the eggs for seed corn maggots are attracted to the rotting smell and that is where they will lay their eggs.”… Continue reading