No. Canadian citizens, including dual citizens, cannot apply for an eTA to enter Canada.
A valid Canadian passport is the only reliable and universally accepted travel document. It provides proof that you are a citizen and have the right to enter Canada without being subjected to immigration screening. Make sure that the expiry date of the passport is well beyond your planned return date.
Find out how to renew or apply for a Canadian passport.
Flying in a few days or at the airport without a Canadian passport?
You can apply for a special authorization that, if approved, will allow you to board your flight with your valid non-Canadian passport.
For future travel, make sure to travel with a Canadian passport. Apply soon. It can take time to get a Canadian passport.