glyphosate (numerous product names)
Rate 0.47 to 4.5 lb ai/A (11 oz to 3.3 quarts/A Roundup Power Max)
Time Apply to weeds at least 10 days before planting the crop.
Remarks Use highest rate on field bindweed. Rain within 6 hours after application may reduce effectiveness. Inhibits produc- tion of three amino acids and protein synthesis.
Caution Do not apply if weeds are under stress from drought, weather, or maturity.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted