Ethoxystrobin, azoxystrobin, pyraclostrobin is called the three brothers in the fungicide , they are all methoxy acrylates, methoxy acrylate fungicides are natural methoxy acrylates Antibiotics are a new class of fungicides developed for lead compounds.
There are many common features in agricultural applications:
(1) Unique mechanism of action.
They are all mitochondrial respiratory inhibitors of pathogenic fungi and are effective against strains that have developed resistance to sterol inhibitors such as triazoles, phenylamides, dicarboxamides, benzimidazoles.
(2) A broad spectrum of sterilization.
It shows excellent activity against almost all fungi (Ascomycetes, Basidiomycetes, Oomycetes and Deuteromycetes), such as powdery mildew, leaf blight, red spot, and net blotchosis in wheat. , black shank, rice blast, sheath blight, as well as downy mildew, blight and other activities have a very good activity, the prevention and control of disease is even more important.
(3) It has protective and therapeutic effects, and has good penetration and systemic action. It can be used in the methods of stem and leaf spray, water surface application and seed treatment.
(4) Highly selective
It is safe for crops, people, animals and beneficial organisms, and has no pollution to the environment.
the difference:
(1) azoxystrobin
The germicidal spectrum is very broad and is effective against most of the pathogens in Ascomycetes, Basidiomycetes, Deuteromycetes and Oomycetes.
(2) Esteric acid ester
The germicidal spectrum is not as broad as azoxystrobin, but has special effects on powdery mildew.
(3) Pyraclostrobin
It has the strongest antibacterial activity and has strong ability to inhibit the germination of pathogenic spores. It has significant antibacterial activity against plant pathogens such as ascomycetes, basidiomycetes, deuteromycetes and oomycetes, and has potential therapeutic activity. It can be used to control a variety of crop fungal diseases. Pyraclostrobin has strong conductive activity in plants, which can improve crop physiology and enhance crop stress resistance.
All three compounds have the function of protection, treatment and eradication. The biggest difference is that the ethereal ester is less mobile than the other two. Pyraclostrobin is more active than the first two, and azoxystrobin is more permeable.
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