Azoxystrobin is a kind of spectral fungicide that can control a variety of crop diseases. The toxicity of azoxystrobin is relatively high. If it is used, it will cause fatal damage to crops. How to avoid a phytotoxicity by using azoxystrobin? Let's learn it with Xiaobian.
How to prevent and cure azoxystrobin
Azoxystrobin characteristics
Azoxystrobin has a wide spectrum of sterilization. In addition to emulsifiable concentrate, it can be dissolved in various solvents such as methanol and acetonitrile, and has good activity for almost all fungal pathogens. As a high-efficiency, broad-spectrum fungicide for methoxy acrylate, azoxystrobin can not only cure a disease, but also increase the disease resistance of the plant and improve its resistance to stress, especially A long special effect period can reduce the number of medications and medication costs, delay crop aging, lengthen the harvest period, and increase total production.
It is known that azoxystrobin has very good activity against almost all fungal pathogens. So far, domestic and foreign companies have azoxystrobin as the main active ingredient, against Ascomycetes, Basidiomycotina, Flagellate subphylum and Deuteromycotina door fungal disease caused by powdery mildew, rust, septoria nodorum blotch, net blotch, downy mildew, rice blast disease, the Ministry of agriculture pesticide assay of the 348 registered pesticide formulation, comprising Stem and leaf spray, seed and soil treatment can be used for crops such as grains, rice, peanuts, grapes, potatoes, fruit trees, vegetables and lawns.
Azoxystrobin precautions 2
In addition to the inability to mix with emulsifiable concentrates, a further problem that must be controlled is the phytotoxicity. Viscosity, solubility and permeability are important indicators of azoxystrobin, and there is a close relationship between the three, especially because it has strong systemic and cross-layer conductivity, so there is no additive. Under the mitigation, it is very easy to produce phytotoxicity. In this case, the plant protection community has developed a common-sense understanding that azoxystrobin pesticides cannot be mixed with silicone-based synergists.
Because it needs to be controlled, it is counterproductive. In this respect, the more prominent these properties are, the more dangerous it is. Therefore, in the production process, the general manufacturers will consciously and unconsciously emphasize the safety of the drug, and through the related additives to achieve the performance of the "brake" function, Prevent it from causing phytotoxicity. Azoxystrobin has been widely developed and applied, bringing practical disease prevention and control benefits to agricultural production, but it is also heard from time to time that the sound of phytotoxicity is heard everywhere. For example, in protected tomatoes or orchards, phytotoxicity caused by unreasonable use of azoxystrobin has occurred.
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