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Penthiopyrad

Action/Use:
  • Fungicide
Use: Aphet* for use on cereals, fruits, and vegetables. Fontelis* for alfalfa, low growing berries, vegetables (brassica, bulb, cucurbit, fruiting, leafy, legume, root), pome and stone fruits, tree nuts, peanuts. Treoris* for use on cucurbits and potatoes. Vertisan* for canola, cereals, corn, legumes, sorghum, soybeans, sunflower, tuberous and corm vegetables, sugarbeets.
Identification
Common Name(s): Penthiopyrad (ISOPA)
Chemistry
Formula: C16H20F3N3OS.
Penthiopyrad
Mode of Action / Resistance Management
Taget Site: C2: complex II succinate-dehydro-genase
Mode of Action: Respiration
Action Group: FRAC Code 7
Comments / Risk Notes: Medium risk.Resistance known to specific fungi; target site mutation H257L. Resistance management required if used for risky pathogens.
Registration
U.S.A.: Field trials for Q8Y78 pending.
Outside U.S.A.: Aphet* in Japan. Fontelis*, Treoris* and Vertisan* in Canada.
Suppliers and Branded Products
Basic Producers:
DuPont Crop Protection (Fontelis*, Vertisan*)
Mitsui Chemicals Agro, Inc. (Aphet*)
Premix Products:
+ Chlorothalonil
+ Picoxystrobin