Fungicides – Foliar Treatment
522
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Safety - page 25 • First aid - page 33 • Resistance management - page 41
Stratego 250 EC
Group 3, 11
Formulation
Product
Company
Active ingredient
Formulation
Container size
Stratego 250 EC
Bayer CropSciences Inc
Propiconazole: 125 g/L +
Trifloxystrobin: 125 g/L
Emulsifiable concentrate 8 L
Crops, Diseases Controlled, Rates and Timing
Crops
Diseases
Rate per acre Timing and specific comments
Soybean
Asian soybean rust
(
Phakospsora pachyrhizi
)
202
mL
Begin application preventatively from early flowering (R1) to
complete podfill (R5) when risk of rust is high.
Frogeye leaf spot
(
Cercospora sojina
)
Spray between R3 and R4 (early pod fill) or when first
symptoms appear. Maximum 2 applications per season.
Registered Tank Mixes
None registered.
Application Information
How to Apply
:
Ground and aerial application.
Water volume
:
Ground: 40 - 80 L/acre. Aerial: 20 L/acre minimum.
How it Works
Stratego contains two active ingredients providing both preventative and systemic activity resulting in sustained
residual protection.
Restrictions
Rainfall
:
If rainfall occurs within one hour of application, re-application may be necessary.
Grazing
:
If one application per season is applied do not allow livestock to graze within the treated area within 30
days. If two applications per season are applied, do not allow livestock to graze within the treated area and do not
harvest the treated crop for forage or hay.
Pre-harvest Interval
:
Soybean: 20 days.
Re-cropping
:
Treated areas may be replanted immediately following harvest with any crop listed on the label. For
crops not listed on the label, do not plant back within 30 days of last application.
Environmental Precautions
Stratego 250 EC is toxic to fish and other aquatic organisms. Do not contaminate water by cleaning of equipment or
disposal of wastes. Observe the buffer zones specified on the Stratego 250 EC label.
Runoff
:
Do not apply to areas where runoff is likely to occur. Runoff from treated areas into aquatic habitats may be
hazardous to aquatic organisms.
Leaching
:
Residues of this product demonstrate the properties and characteristics associated with chemicals detected
in groundwater. The use of this product in areas where soils are permeable, particularly where the depth to the water
table is shallow, may result in groundwater contamination.
Toxicity
Ingestion
:
Stratego 250 EC has a low toxicity by single ingestion. Acute oral LD
50
(
male rats) = > 4,757 mg/kg.
Dermal
:
Low toxicity by dermal contact. Acute dermal LD
50
(
rats) = > 5,050 mg/kg.