Despite a lot of variability in development, there are corn fields that are now in the application window for an early fungicide application. The recommendation for the early application is from 7 to 10 leaf corn (V5 to V8). One of the main drivers for a fungicide application now is the thought that since a…
Tag: Silage Corn
Is Your Corn Competing?
Weed management in several areas of the province has been challenging. Weather has prevented herbicides from being applied and from being activated. Early weed control remains critical for maximum yield, despite the weather. Dr. Swanton at the University of Guelph has shown that corn plants have the ability to “see” weeds. To compete with weed…
Pale emerged corn: What is going on?
Some corn fields where corn has emerged, the coleoptile and first leaf appear pale yellow to gray or transparent. The weather over the last few weeks has been cool, slowing crop development. Pale or transparent corn leaves are often a result of cool, wet conditions. Plant metabolism slows, resulting in an inability to absorb nutrients…
Just Chill – Chilling Injury in Corn
Early planted corn often faces the risk of chilling injury. This occurs when the seed is exposed to cold soil and water temperatures 6 to 24 hours after planting. As the seed imbibes water and begins germination, the kernels will swell and expand. This can cause damage by stretching or rupturing cell membranes and causing…
Three action items needed to achieve success when using Bayer Fluency Agent:
1) Shake or roll pail before opening. Product must be fluffed up after settling during shipping. 2) When applying, spread and mix product into seed (don’t dump the scoop or pail in a pile). 3) More is not better! This product is wax based and too much product leads to clumping. Kirk Van Will, CCA-ON,…
Understanding Relative Maturities
The term “Relative Maturity” is often used when discussing corn and soybean seed. It is best defined as a criteria or process to compare or group hybrids and varieties based on physiological maturity. This is extremely important to understand when creating your cropping plans as you assign hybrids or varieties to your fields. It is…
7 weeks to get the crop in!
Don’t hit the panic button yet, we still have plenty of time. As Kirk discussed in his article last week, we still have 7 weeks until the end of May, which leaves us plenty of time to get the crop in. Growing hybrids that range in both maturity and flowering date is one of the…
Which is greater: yield gained from early planting or yield lost from uneven emergence?
Rapid, uniform emergence (all your crop up in 12 hours) is one of the key factors in setting your corn crop up for maximum yield. There are only a few requirements you need in the seed zone to set the crop up right – sufficient and uniform soil moisture, soil temperature, seed to soil contact…
Understanding the Continuous Corn Yield Penalty
With renewed interested in planting corn comes additional corn-on-corn acres. The continuous corn yield penalty is a well know phenomenon, however, why the penalty exists is not well understood. Research at the Illinois State University identified three main factors which may help when positioning fields for corn-on-corn acres. Common belief in the countryside is that…
Are we there yet? (Black layer)
Corn harvest is just around the corner. Harvest maturity (occurring around 25% grain moisture) usually refers to the point at which harvest and mechanical loss are at a minimum. Before this happens, corn develops a black layer which is located at the base of the kernel opposite to the embryo. Typically this occurs approximately 60…