By Scout Nelson
Canola farmers are encouraged to begin scouting their fields early in the season for flea beetle activity. These tiny insects can cause serious damage to young canola plants by feeding on their leaves, especially during the early stages of growth.
There are three main types of flea beetles that commonly affect canola crops: the crucifer flea beetle, hop flea beetle, and pale striped flea beetle. All three species are known for their ability to rapidly defoliate plants, which can reduce plant health and yield if not managed quickly.
The most critical time to watch for flea beetles is during the early part of the growing season. This is when the beetles are most active and the canola plants are most vulnerable. The feeding damage they cause often looks like small holes or pits on the leaves. If the damage becomes severe, it can kill young plants or stunt their growth.
One of the best ways to protect canola from flea beetles is by using insecticide seed treatments. These treatments coat the seeds and provide protection to the seedlings as they grow. However, when flea beetle numbers are very high, the seed treatment might not be enough.
In those cases, a foliar insecticide spray may be needed. Farmers should check their fields regularly to monitor flea beetle populations and look for feeding damage. If the damage reaches a level where plant health is at risk, applying a foliar insecticide can help stop the beetles before serious crop loss occurs.
Scouting and acting early are key to managing flea beetles and protecting canola yields.
Photo Credit: gettyimages-0shut0
Categories: South Dakota, Crops, General, Rural Lifestyle