Zhang Rongguo, Changji who have many years of plant protection UAV aerial control operations experience, has extensive experience in pest control cash crops. His plant protection team consists of 7 people. He has 6 PFOs and 6 Bo Ying UAVs. He is a well-known local plant protection team with rich experience in plant protection and flying defense. Today, he brings you relevant cases of corn pollination and deworming.
Corn (scientific name: Zea mays), also known as jade, baguette, glutinous rice, and sticks. It is called corn in Cantonese and is called Fanmai in Minnan. It is an annual gramineous herb, an important food crop and an important feed source, and the world's highest grain crop.
Zhang Rongguo went to the 84th group farm in Bole City in May to carry out the de-worming operation of corn. This operation is a double-type de-worming operation. It is necessary to kill the aphids, red spiders and beetles in the flowering period. Corn borer is one of the most destructive pests on the earth. It is a pest that is more harmful during the growth and development of corn. It has many breeding algebras, adapts to a wide temperature, affects the photosynthesis of corn, leads to reduced yield, and spreads viruses. More harmful. Corn red spider, also known as corn leafhopper, is prone to the formation of pests and diseases during the corn leaf waxing period. It has serious harms. Individual plants can parasitize hundreds to thousands, and even severely reach tens of thousands, resulting in corn plants. A large area has died.
A total of two people were dispatched in this assignment. The other one was Zhang Rongguo’s apprentice. He was responsible for the preparation of plant protection operations and was responsible for the logistics and drug allocation. Zhang Rongguo was responsible for direct manipulation of drones and to communicate specific pests with farmers. According to local conditions, master the application volume and the flight route planning of the whole block.
This home location is very close to Zhang Rongguo's home. Zhang Rongguo drove his apprentice to carry out plant protection work. The area of ​​this operation is 500 mu. Because it is a plain operation, the route flight mode is selected for spraying pesticides. Zhang Rongguo carried a flying P20 to carry out his homework. Due to the large local temperature difference in Xinjiang, 32 °C during the day, high temperature will affect the pyridine worm, so Zhang Rongguo chose to work in the two time periods from 5:00 to 12:00 and 18:00 to 22:30 to remove the preparation and charging. The cumulative working time is 11 hours.
The relative humidity at night and afternoon reaches 34%, and the wind speed is about 1m/s. It is suitable for spraying pesticides, but it is inconvenient for nighttime operations. Therefore, Zhang Rongguo brings insect-proof sprays and lighting equipment to deal with nighttime operations. The height is 2 meters and the spray width is 4.6m.
According to the instructions, imidacloprid, acetamiprid and high-alloyed cyhalothrin are used to remove and control a variety of pests and diseases. High temperature has a gain effect on imidacloprid, and low temperature has a gain effect on imidacloprid. Imidacloprid is a high-efficiency insecticide of nicotine. It has broad-spectrum, high-efficiency, low toxicity, low residue, pests are not easy to produce resistance, and it is safe for humans, animals, plants and natural enemies. The product has good quick-acting effect, and has high control effect 1 day after the medicine, and the residual period is as long as about 25 days. The drug effect and temperature are positively correlated, the temperature is high, and the insecticidal effect is good. However, it is impossible to remove pests such as spider mites, and acetamiprid and high-performance cyhalothrin have excellent control effects on insects such as spider mites.
In this operation, the emulsion oil imidacloprid 40-50g/mu was used, and the corn was sprayed with the doped crystal acetamiprid and 4.5% beta-cypermethrin EC. The centrifugal spray nozzle was used for spraying. To ensure the effective spraying of the pesticide, the aircraft speed was 4.5m/ s.
Zhang Rongguo said that the homework was very smooth, and he also exercised his little apprentice. He believed that this operation had achieved the purpose of effectively removing the pests such as corn borers and red spiders. After 20 days, the corn pests and diseases were well controlled. .
Zhang Rongguo also mentioned that when preparing pesticides, it is important to be careful not to contaminate the high-speed cyhalothrin. After the infection, a strong allergic reaction will occur, and there will be an itching sensation accompanied by a burning sensation. It is best to wash with a lot of soapy water. Apply it with ice. And be careful not to overdo it with imidacloprid. Although imidacloprid appears to be low in toxicity, allergic reactions still occur after excessive exposure. Zhang Rongguo believes that plant protection is not only a job, but also makes him feel the sense of pride and responsibility to protect crops from pests and diseases and ultimately thrive.
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