What are the advantages of pyraclostrobin?
Bactericidal broad spectrum.
It has shown good activity against almost all fungal diseases, such as powdery mildew, leaf blight, red spot, net spot, scab of wheat, rice blast, sheath blight, and downy mildew , epidemic diseases, etc. have good activity, and are more important for the prevention and control of epidemic diseases.
Combination of prevention and treatment.
It has protective and therapeutic effects, and has good penetration and systemic effects. It can be used in stem and leaf spray, water surface application, and seed treatment.
Good mixing ability.
It can be compounded with a variety of pharmaceuticals. It has good compounding effect with difenoconazole, disenlian, dimetholine, etc., and it also has synergistic effect.
Plant health care, stress resistance and yield increase.
Increase the activity of nitrate (nitrification) reductase, thereby improving the absorption of nitrogen during the rapid growth stage of crops. At the same time, it can reduce the biosynthesis of ethylene, thereby delaying the senescence of crops.
Highly selective.
It is safe for crops, people, animals and beneficial organisms, and basically has no pollution to the environment.
What diseases can pyraclostrobin treat?
Pyraclostrobin can be used in various crops such as wheat, peanuts, rice, vegetables, fruit trees, tobacco, tea trees, ornamental plants, and lawns.
Control various diseases such as leaf blight, rust, powdery mildew, downy mildew, blight, anthracnose, scab, brown spot, blight and other diseases caused by ascomycetes, basidiomycetes, deuteromycetes and oomycetes.
It has good effects on cucumber powdery mildew, downy mildew, banana scab, leaf spot, grape downy mildew, anthracnose, powdery mildew, early blight, late blight, powdery mildew and leaf blight of tomato and potato. Control effect.
What problems should be paid attention to when using it?
Pay attention to the timing of use
The mechanism of action of pyraclostrobin is to inhibit the energy produced during the respiration of pathogenic fungi, and eventually "starve" the pathogenic fungi. Because of this, the germs die very slowly, and the efficacy of the medicine is of course relatively slow. Therefore, the timing of using this type of fungicide must be in advance, and it should be used as a protective agent to prevent diseases, or it can be used at the early stage of disease occurrence before sowing, after emergence or when planting to give full play to the advantages of the agent.
Pay attention to the use of
Pyraclostrobin is known for its preventive effect and long-lasting effect, but its quick-acting effect is still slightly insufficient compared with other targeted fungicides. It is best to use it in combination with other fungicides or compound agents.
Pay attention to the frequency of use
The action site of pyraclostrobin is relatively single, so the resistance develops relatively quickly. Be sure to control the number of uses when using it, so as not to accelerate the generation of resistance.
Pay attention to the occurrence of drug injury
The strong permeability allows pyraclostrobin to be well compatible with the surface of leaves, greatly improving the preventive effect and duration, but attention should be paid to the occurrence of phytotoxicity. Especially in the nursery stage of crop seedlings, where the crops grow vigorously and the conditions are high temperature and high humidity, there is a certain risk of phytotoxicity when the concentration of pyraclostrobin is too high.
The mixing safety of pyraclostrobin is relatively high, but it is not absolutely high. For example, if it is mixed with EC or organophosphorus pesticides and used on fruit trees such as winter jujubes, bananas, and mangoes, fruit burns will occur.
