CAS No.: | 131860-33-8 |
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Appearance: | Powder |
Application: | Fungicide |
Usage Mode: | Therapeutic Agent |
Raw Material: | Inorganic Fungicide |
Application Fields: | Agricultural Fungicide |
Samples: |
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Customization: |
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Physical Properties
Form: White solid;
Molecular weight: 403.4 g/mol;
Melting point: 116ºC.
Environmental Profile
Ecotoxicology:
Bird: Oral LD50 >2000 mg/kg;
Dietary (8 day) LC50 >5200 mg/kg (mallard duck, bobwhite quail).
Bee: LD50 >200 μg/bee.
WATER SOLUBILITY:At 20ºC: 6 mg/l.
Bobwhite quail |
LD50 >2,000 mg/kg |
Mallard duck |
LD50 >2,000 mg/kg |
Bee [contact/oral] |
LD50 >200 μg/bee |
Azoxystrobin effectively controlled damping-off and foliar diseases of vegetables (e.g. lettuce, tomatoes) and ornamentals (e.g. roses, carnations) in Northern Italy.
Field trials in Taiwan showed promising control of a wide range of diseases of winter peppers and a 10% increase in yield following two or three applications of Amistar (25% SC).
Strobilurins and the structurally unrelated famoxadone and fenamidone form a cross-resistance group called Qol-STAR by FRAC. Rapid resistance first developed in Erisyphe graminis tritici and Sphaerotheca fuliginea, and is attributed to the same mutation. In controlled environment studies, resistant strains of the former were as fit as sensitive populations, but resistant strains of the latter were significantly less fit than sensitive wild-types. Results with Venturia inaequalis suggested a different resistance mechanism.
Isolates of Alternaria solani (early blight) collected from potato fields in the USA before and after the introduction of azoxystrobin showed large increases in EC50 correlating with lack of field efficacy.
In US cotton, in-furrow application of azoxystrobin improved seedling survival and, generally, final yield.
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