Learn about the long-term Ontario research
on cover crop impacts on yields and economics and about cover crop selection and termination. Anne Verhallen, Mike Cowbrough, OMAFRA
5. CONS:
ANNUAL RYEGRASS (ARS)
•ARS must cross pollinate in order to
produce seed.
•If each parent had different low level
resistance mechanisms, the offspring
would be resistant and possibly have
two mechanisms of resistance.
Dr. Tardif (UofG)
6. •Studies have shown that ARS could go
from a susceptible population to a highly
resistant one in as few as 5 generations.
• It also takes more herbicide to control
than cereal covers (oats, rye etc)
Dr. Tardif (UofG)
CONS:
ANNUAL RYEGRASS (ARS)