Entries by Agronomy Team

Ear Rots in Corn

Ear rots can be difficult to control since weather conditions are critical to the disease development. Rots can establish any time after pollination in wounds created by insects, birds, machinery, and even hail. Rainy weather or heavy, prolonged dews often lead to ear rots in these wounded cobs. Why are rots a concern? The direct […]

Stalk rots in corn

The distribution and prevalence of stalk rot diseases vary from year to year. However, the diseases are present in most years even though it may be at low levels. The majority of stalk rot damage in Ontario is caused by three fungi, Anthracnose, Gibberella and Fusarium. However, Diplodia and Pythium have also been observed. Although […]

Managing Fusarium Head Blight at harvest

The less infected kernels that go into storage the better, and the greater of a chance a grower will have for not getting docked to a lower grade of wheat. Combine tips and notes Higher fan speeds are needed to blow infected kernels out the back. Ridgetown College has done studies on fan speeds, and […]

Western Bean Cutworm

Why are they a concern? The western bean cutworm is a damaging pest in corn and dry edible beans. They can cause large yield losses and reduced grain quality. In corn They begin to feed on the tassels and silks until they are large enough to tunnel into the ear and feed extensively on the

Wheat leaf diseases

How do I know when to apply a fungicide? The higher the price of wheat, the more economical treatment is. In general, if trace amounts of rust, powdery mildew, or leaf spot are

Micronutrients — more important than you think

Micronutrients are essential to plant growth and aid in achieving yields that growers need. Unlike a macronutrient such as nitrogen, phosphorus and potassium, micronutrients are required by the plant in small amounts, but are equally as important for proper crop growth and yield. The micronutrients that are key to growth include Boron, Copper, Iron, Manganese, […]

Snow mould in winter cereals

Holly Loucas, Agronomist, DOW Agroscience What is snow mould? Snow moulds are cold-loving fungi that can attack many economic plants under a cover of snow. Pathogen biology The important species of snow moulds that infect winter wheat are Microdochium nivale and Typhla spp. Gray snow mould (Typhula spp) is the less damaging form of snow […]

Frost seeding clover

With the snow beginning to melt and spring just around the corner, it’s time to begin thinking about seeding your clover cover crops on the frost for your winter grains. Clover is still one of the most beneficial cover crops to use when you have a winter grain crop. Thompsons Agronomy has put together some […]