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Prnum: 12095 Chemical/Commodity: METRIBUZIN / SWEETPOTATO
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Need: broadleaf weeds
There are currently no herbicides registered for broadcast application to sweetpotato with postemergence activity on broadleaf weeds. POST control is limited to hand-removal and repeated cultivation events.
PROPOSED LABELLING:
TRADE NAME/FORMULATION: Tricor (and others)
DOSAGE RATE (Active Ingredient/Acre): 3 to 4.5 oz ai/acre
TYPE OF APPLICATION: foliar, broadcast
NUMBER OF APPLICATIONS:
RE-TREATMENT INTERVAL (DAYS):
PHI (DAYS):
DIRECTIONS OF USE: Apply 3 to 4.5 oz ai/acre metribuzin to sweetpotatoes at layby to control small, emerged weeds and provide residual weed control. Applications can be made with S-metolachlor or devrinol at labeled rates. No surfactant or crop oil should be added. Applications should be broadcasted.
LIMITATIONS: Metribuzin will not control larger escaped weeds. Application may result in chlrosis and then necrosis of older sweetpotato leaves.
SPECIAL SAFETY PRECAUTIONS:
01/01/2018
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