Why would my canola pods be splitting? I don’t see any insects that would cause the damage.

From what MAFRI staff has seen in the field and at the Crop Diagnostic Lab, we think that the cause may be due to aster yellows.  Look for any symptoms of aster yellows on the plant like bladder looking pods, purpling pigmentation and as the crop matures, these plants do not mature as quickly.  Aster yellows can cause seed abnormalities in late affected plants that display no other symptoms of the disease.  If in doubt, collect a sample, take some pictures and send it to MAFRI or submit a sample to be analyzed at the Crop Diagnostic lab in Winnipeg (can submit samples through local MAFRI GO office).

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