In a winter lawn, the perennial might not die back early enough, or at all. In spring, mature ryegrass will compete with young warm-season grasses for the same nutrients, water, and sunlight.

Cool temperatures over the past three weeks have slowed the germination and establishment of perennial ryegrass used for divot repair. Pre-germinating the seed can jump start this process. Although ...

Fenoxaprop applied between late winter and mid-spring selectively controlled roughstalk bluegrass in perennial ryegrass grown for seed in Oregon. Fenoxaprop applied after the arrival of warmer weather ...

Ethofumesate [ (±)-2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate] applied postemergence in November at rates from 1.4 to 4.5 kg/ha eliminated all annual bluegrass (Poa annua L.) ...

Cool temperatures over the past three weeks have slowed the germination and establishment of perennial ryegrass used for divot repair. Pre-germinating the seed can jump start this process. Although ...