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Bayfidan® EC 250

Bayfidan is a systemic fungicide belonging to the azole group. After spraying, the product is quickly taken up by plants and translocate within the plant. Because of this systemic activity, Bayfidan is less affected by rainfall or irrigation than contact type fungicides. Bayfidan has a protective, curative, and eradicative effect. The product is highly effective against powdery mildew, rust, and various leaf spot diseases, being registered in many different crops across the world.

Consult the local label/distributor
How to apply:
foliar application For Vegetables use 600-800 lit /ha
For fruit tree use 800 – 1000 lit /ha
Common Name:
Bayfidan 250 Emulsifiable concentrate containing 250g a.i/l Triadimenol
Mode of action:
Triadimenol affects the functions of cellular membrane in fungi; it is affect Sterol biosynthesis in membranes, (C14-demethylase in sterol biosynthesis)
Modern Agricultural Development Company
WHO classification:
Active ingredient: moderately hazardous
Product: slightly hazardous

Recommendations and rates of use

Crop Pest Dose PHI
Pome fruits Powdery mildew on apple 10 – 20 cm3 / 100 l 14 days
pear rust 20 – 40 cm3/ 100 l
Note:  Do not use more than 200 ml product / hectare
  Grape Powdery mildew 10 – 20 cm3/ 100 l 35 days
Sugar Beet Powdery mildew and rust 500 cm3/ ha 28 days
Vegetables Control Powdery mildew on tomato 40 – 50 cm3/ 100 l 28 days
Powdery mildew & bean rust 40 – 50 cm3/ 100 l 28 days
  Powdery mildew on cucurbits 20 cm3/ 100 l water in open field
10 cm3/ 100 l water in greenhouse
28 days
Cereals (Wheat, Barley) Powdery mildew, black rust, yellow rust, brown rust, barley rust 500 cm3/ ha, 1 – 2 application. 1st spray at the beginning of infection; 2nd spray at re- infection 35 days


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