Fungicides – Foliar Treatment
481
• 
Safety - page 25 • First aid - page 33 • Resistance management - page 41
Crops
Diseases
Rate per acre Staging and specific comments
Potato
Late blight
(
Phytophthora infestans
)
0.16
L
Begin applications when the plants are 15 to 20 cm tall or when
conditions favour disease development. Repeat application at
intervals of 7 to 10 days. Do not apply more than the maximum
seasonal use rate of 1.6 L per acre during each growing season.
Do not make more than 3 sequential applications per season
before alternating to a fungicide with a different mode of action.
White mold
(
Sclerotinia
sclerotiorum
)
0.16 - 0.24
L
Begin applications at full bloom. Repeat applications at
7 - 10
day intervals.
When white mould pressure is low to moderate, use
160
ml/acre. When conditions favour moderate to high white
mould pressure, increase the rate to 240 ml/acre. Do not make
more than three sequential applications.
1
Registered under User Requested Minor Use Label Expansion program.
Registered Tank Mixes
None registered.
Application Information
How to Apply
:
Ground application only. Do not apply by air.
Water volume
:
Ground: 80 - 240 L/acre.
Application Tips
Optimum disease control is achieved when timing of application is based on environmental factors that favour
disease development. For potatoes, do not exceed 10 applications during each growing season. For edible beans, do
not exceed 2 applications during each growing season.
How It Works
Fluazinam is a pyridinamine fungicide with protective (contact) activity.
Restrictions:
Pre-harvest Intervals
:
Dry shelled beans - 30 days. Potatoes - 14 days.
Re-cropping
:
Areas treated with Allegro 500 F may be replanted with potatoes and dry shelled beans as soon as
practical after the last application. Other root crops and leafy vegetables can be planted 30 days after the last
application. All other crops can be planted 70 days after the last application.
Re-entry
:
Do not enter or allow workers entry into treated areas during the restricted re-entry interval of 24 hours.
Environmental Precautions
Allegro is toxic to aquatic organisms, non-target terrestrial plants and wild mammals. Observe buffer zones specified
on the product label.
Toxicity
Ingestion
:
Acute oral LD
50
(
rats) = >5,000 mg/kg.
Dermal
:
Slightly toxic. Acute dermal LD
50
(
rats) = > 2,000 mg/kg.
Storage
Heated storage required. Store in a dry storage area separate from feed, fertilizer or food.
Allegro 500 F (cont’d)