This year, the high temperature and rainy weather in many places in China, so it is very easy to cause the serious disease of the disease, the effect of the pesticide will be affected, it will bring great difficulty to the disease control worm.
So how to use insecticides in such weather?
What should be noted during the application process?
Here's how to use pesticides in high temperatures.
How to use pesticides in high temperatures and rain?
Methods of pesticide use in high temperature and rainy days:
First, improve the utilization of pesticide
When using pesticide, the outdoor crop should choose water resistance, oil, etc., and the residue of these pesticides on the surface of the plant is longer, while the powder and water agents are relatively poor.
It can increase the adhesion of pesticides on crops and insect pests, thus improving the control effect.
The method is: 50kg of laundry powder added 50~ 75g, after stirring evenly to spray.
Note that it is best to use it now, not long.
Washing powder, tea - dried leaching liquid should not be mixed with acidic pesticide.
For ease of use, synergistic agents can also be used.
Choose the right potion
1. Quick-acting pesticide.
Such as pesticides in the leaf insect net, fenitrothion, deltamethrin, quick kill spirit, deltamethrin, such as pesticides, have very strong tag and fumigation effect, applying pesticide or 1 ~ 2 hours after 4 ~ 5 hours after the can to kill pests.
2. Endoscopic pesticide.
Endoscoped pesticides can be entered into the plant through roots, stems, leaves and other parts of the plant and transported to other parts to work in a shorter time.
Such as powder rustazole, powder rust, killing, etc., 80% of the active ingredients are absorbed into the tissue within 4~5 hours after the application, and less to the effect of rain washing.
3. Microbial active pesticide.
The commonly used microbiological pesticides such as cyanobacteria and beauveria are more favorable for germination and reproduction of spores in the condition of high humidity, and use such pesticides on rainy days to give full play to their insecticides.
4. Anti-rinse pesticide fungicide.
It has good rain resistance and can not be affected by the shower.
High temperature and rainy weather is how to use the above method and the matters needing attention of pesticides, this summer, the weather is changeable, we should according to the weather condition, make corresponding preparation in time, and scientific and reasonable use of pesticides.
