Azoxystrobin

Common name

Azoxystrobin

Product category

Fungicide

Chemical name

methyl (E)-2-{2-[6-(2-cyanophenoxy)pyrimidin-4-yloxy]phenyl}-3-methoxyacrylate 

CAS Number

131860-33-8

Molecular formula

C₂₂H₁₇N₃O₅

Application

Biochemistry

Inhibits mitochondrial respiration by blocking electron transfer between cytochrome b cytochrome c1, at the ubiquinol oxidising site. Controls pathogenic strains resistant to the 14-demethylase inhibitors, phenylamides, dicarboxamides benzimidazoles. 

Mode of action

Fungicide with protectant, curative, eradicant, translaminar systemic properties. Inhibits spore germination mycelial growth, also shows antisporulant activity. 

Uses

Controls the following pathogens at application rates between 100 to 375 g/ha: Erysiphe graminis, Puccinia spp., Leptosphaeria nodorum, Septoria tritici Pyrenophora teres on temperate cereals; Pyriculariayzae Rhizoctonia solani on rice; Plasmopara viticola Uncinula necaton vines; Sphaerotheca fuliginea Pseudoperonospora cubensis on cucurbitaceae; Phytophthora infestans Alternaria solani on potato tomato; Mycosphaerella arachidis, Rhizoctonia solani Sclerotium rolfsii on peanut; Monilinia spp. Cladosporium carpophilum on peach; Pythium spp. Rhizoctonia solani on turf; Mycosphaerella spp. on banana; Cladosporium caryigenum on pecan; Elsino?fawcettii, Colletotrichum spp. Guignardia citricarpa on citrus; Colletotrichum spp. Hemileia vastatrix on coffee.

Phytotoxicity

Good crop safety, except on some varieties of apple (e.g. McIntosh, Cox). 

Target Crops

Azoxystrobin is widely used in farming, particularly in wheat farming, rice harvesting; grape harvesting, banana, pepper etc.

Ascomycota: Septoria; Deuteromycota: Pyricularia; Basidiomycota: Stripe rust; Oomycota: Water mould ;including Wheat septoria, Septoria leaf spot, Wheat leaf rust (Puccinia recondita),Rye leafrust (Puccinia triticina),Powdery mildew, Downy mildew,Stripe rust,Haustorium, Pyrenophora teres.

Dosage Use

Azoxystrobin usage specifies rates from 25 to 400 g A.I../ha .
FAzoxystrobin 25% SC: 0.36—1liter /ha mixing with  900 liter water fprotecting pepper, rice, banana from fungal disease.