Fungicides – Foliar Treatment
497
• 
Safety - page 25 • First aid - page 33 • Resistance management - page 41
Toxicity
Gavel has a very low toxicity by ingestion. Acute oral LD
50
(
rats) = 5,000 mg/kg. Very low toxicity by dermal
contact. Acute dermal LD
50
(
rats) = > 5,000 mg/kg.
Storage
Keep away from fire and sparks. Store in a cool, dry, well ventilated area. Do not allow to become wet or overheated
in storage: decomposition, impaired activity or fire may result.
Headline EC
Group 11
Formulation
Product
Company
Active ingredient
Formulation
Container size
Headline EC (PCP# 27322)
BASF Canada Pyraclostrobin: 250 g/L Emulsifiable concentrate
6.5
L jug, 104 L tote
Crops, Diseases Controlled, Rates and Timing
Crops
Diseases
Rate per
acre
Staging
Cereals
Wheat
Leaf rust (
Puccinia recondita
),
Septoria leaf spot
(
Septoria tritici
or
Leptosphaeria nodorum
),
tan
spot (
Pyrenophora tritici-repentis
)
0.12 - 0.24
L Apply immediately after flag stage.
Use the higher rate to obtain extended
protection with maximum yield
benefits.
Apply a second time 10 - 14 days
later with a fungicide that contains
a different mode of action if disease
persists, or weather conditions are
favourable for disease
development.
Powdery mildew (
Erysiphe graminis f. sp. tritici
),
spot blotch (
Cochliobolus sativus
),
stripe rust
(
Puccinia striiformis
)
0.16 - 0.24
L
Barley
Net blotch (
Pyrenophora teres
)
0.12 - 0.24
L
Scald (
Rhynchosporium secalis
),
spot blotch
(
Cochliobolus sativus
),
stripe rust (
Puccinia
striiformis
)
0.16 - 0.24
L
Corn
Common rust (
Puccinia sorghi
),
gray leaf spot
(
Cercospora zeae-maydis
)
0.16 - 0.24
L
Oats
Crown rust (
Puccinia coronata
)
0.16 - 0.24
L
Rye
Leaf rust (
Puccinia recondita
)
0.12 - 0.24
L
Powdery mildew (
Erysiphe graminis
)
0.16 - 0.24
L
Dried and succulent shelled peas, lentils and beans
Dry beans (
Phaseolus
,
Vigna
and
Lupinus
spp.)
Anthracnose (
Colletotrichum
spp.), Mycosphaerella
blight (
Mycosphaerella spp
.),
powdery mildew
(
Erysiphe
spp.), rust (
Uromyces
spp.)
0.16
L
Apply at the beginning of flowering or
at the onset of symptoms for the more
aggressive diseases (e.g. anthracnose
in lentils).
Apply a second time 10 - 14 days
later with a fungicide that contains
a different mode of action if disease
persists, or weather conditions are
favourable for disease development.
Dry peas (field), faba
beans
Mycosphaerella blight (
Mycosphaerella
spp.),
powdery mildew (
Erysiphe
spp.)
0.16
L
Asian soybean rust (
Phakopsora pachyrhizi
)
0.16 - 0.24
L
Lentil
Anthracnose (
Colletotrichum truncatum
),
Ascochyta blight (
Ascochyta
spp.)
0.16
L
Succulent beans
and peas
Phaseolus
,
Vigna
and
Pisum
spp.)
Ascochyta blight (
Ascochyta
spp.), Mycosphaerella
blight (
Mycosphaerella
spp.), rust (
Uromyces
spp.),
Asian soybean rust (
Phakopsora pachyrhizi
)
0.16 - 0.24
L
Gavel 75 DF (cont’d)