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Active Ingredient
Azoxystrobin 200 g/L + Difenoconazole 125 g/L
MODE OF ACTION
Uster Top 32.5% SC contains two active ingredients; Azoxystrobin and
Difenoconazole.
• Azoxystrobin belongs to Strobilurin chemical group. It acts by inhibiting spore
germination during early stages of fungal growth. Azoxystrobin interferes with mitochondria
respiration by disrupting the energy within the fungus and interrupting the
biosynthensis of ergosterol. This disrupts the fungal life cycle mainly during spore
germination, infection and hyphen growth.
• Difenoconazole belongs to Triazole chemical group. It is absorbed by the
plant and works on the fungal pathogens by interfering with biosynthesis of sterols in
cell membranes during penetration and haustoria formation. It has protective and curative
properties and it is recommended during early stages of diseases cycle to minimise
on fungal pathogen build up as well as irreversible damage to the crop.
SPECTRUM OF CONTROL
A tried & proven fungicide for the control of Stem Rust and Yellow Rust in Wheat and
barley; Rust, Angular leaf spot and Anthracnose on French beans; Ascochyta leafspot
and powdery mildew on peas; Leaf spots, Black leg & cercospora leaf spot on cabbages;
Downy mildew & purple blotch on onions.
Re-entry interval (REI): 12 hours
Mixing instructions:
Half-fill the spray tank with water. Add the required amount of Uster Top 32.5% SC, then
fill the water to the required level and mix or agitate thoroughly to uniformity. Ensure the
spray mixture is used the same day it is prepared.
BENEFITS
• Resistance management: Low risk of resistance due to combination of two
active ingredients with different mode of action.
• High efficacy: Excellent protective and curative properties from the two chemicals
• Broad Spectrum: Effective on wide range of diseases; rust, Powdery mildew,
Anthracnose, Angular leaf spots
• Systemic: Due to its systemic nature, it offers protection even to the new
growths.
• Cost effective: This is due to high efficacy at low rates of application; only 1.0
Litre of Uster Top per Hectare (10ml in 20L).
In wheat use 20ml/20L against Yellow leaf rust and stem rust.
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