fluazifop (Fusilade DX)
Rate 0.25 to 0.375 lb ai/a (1 to 1.5 pints/a)
Time Apply to actively growing bermudagrass with 4- to 8-inch runners.
Remarks Apply with 1% (v/v) crop oil concentrate or 0.25% (v/v) nonionic surfactant. Acts very slowly, taking at least 2 weeks and often 4 weeks to show effectiveness. Do not apply to stressed grasses. If weeds regrow, reapply at 0.1875 to 0.375 lb ai/a.
Caution Do not use crop oil concentrate if treating bermudagrass in ornamentals. Do not apply if rain is expected within 1 hour.
Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor
Chemical family Aryloxyphenoxy propionate
Rate 3.75 lb ae/a
Time Apply to actively growing bermudagrass with seed heads.
Remarks Re-treatment may be necessary. Rain within 6 hr after application may reduce effectiveness. Allow at least 7 days after application before tillage.
Caution Glyphosate is nonselective; spray will injure or kill vegetation contacted.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted.