Posted 5/22/2017 06:48 (#6030678 - in reply to #6030455) Subject: RE: Rye must be pollinating to terminate
Carroll, OH
The Rye must be pollenating, or at anthesis.
It may be better to wait for most of the pollination to be complete, as fields of rye are usually not all uniform in growth.
You will not be successful with mechanical termination (roller crimping) before pollen shows.