Anti-clogging injection drying agent

Abstract

The present application relates to the technical field of injection technology, and more particularly to a kind of anti-plunger injection, the injection includes: active agent, organic solvent and synergist, the organic solvent uses aromatic ester solvent.The present application effectively solves the problem that traditional injection can only be applied in pine dormant period, and cannot be applied in high-temperature area all year round, utilizes the normal temperature solubility of organic solvent to pine tar, realizes the solubility of pine tar, prevents hole blockage, and ensures the transmission of active agent.

Description

Technical Field

[0001] This invention relates to the field of injection drying technology, specifically to an anti-plunger injection drying agent. Background Technology

[0002] Pine wilt disease, caused by the pine wilt nematode, is a devastating forest disease, often referred to as "pine cancer." It has an extremely high mortality rate, severely endangering forest ecosystems and causing significant economic losses globally. Its harm manifests in several ways: 1. High infectivity: Pine wilt disease is highly contagious. Once an infected pine tree is infected, it can rapidly spread to surrounding pine forests, causing widespread pine death. 2. Rapid disease progression: After invading trees, the pine wilt nematode triggers a series of symptoms. Initially, external symptoms are not obvious, but as the nematode population increases, the needles begin to lose water, turn pale green, and turn brown, eventually leading to the death of the entire tree. The dead needles do not fall off. 3. Ecological imbalance: The massive mortality of pine forests caused by pine wilt disease not only severely damages the forest landscape but also disrupts the ecosystem. For example, dead pine trees can breed other pests, further exacerbating forest losses. 4. Economic losses: Pine wilt disease causes significant economic losses to forestry production. Infected pine trees typically die within 2-5 years, leading to a sharp decline in timber production and increasing risks to timber quality and safety. 5. Social and Environmental Impacts: Due to the rapid spread of pine wilt disease, urgent control measures are required. This not only involves substantial financial investment but also impacts the lives of the general public, such as tourism and leisure activities.

[0003] To combat the damage caused by pine wilt disease, effective control measures are needed, including a combination of quarantine measures and physical, chemical, and biological methods to reduce its spread and losses. Simultaneously, scientific research should be strengthened to gain a deeper understanding of the pathogenic mechanism of pine wilt and develop new control technologies and methods. Among these, trunk injection technology is a method for controlling tree diseases, particularly those difficult to control through traditional spraying methods, such as trunk and root diseases. This technology involves directly injecting pesticides into the trunk or roots, allowing the pesticides to reach the diseased areas more directly and effectively, thus improving control efficacy. However, trunk injection technology also has limitations, such as its relatively complex operation, the need for specific skills and equipment, and the potential for damage to the tree trunk. Summary of the Invention

[0004] To address the problems in existing technologies, this invention provides an anti-clogging injection agent that effectively solves the problem that traditional injection agents can only be applied during the dormant period of pine trees and cannot be applied in areas with consistently high temperatures. By utilizing the room-temperature solubility of pine resin in organic solvents, the solubility of pine resin is achieved, preventing pore blockage while ensuring the delivery of active agents.

[0005] To achieve the above technical objectives, the technical solution of the present invention is as follows:

[0006] An anti-clogging and drying agent includes: an active agent, an organic solvent, and a synergist.

[0007] The organic solvent is an aromatic ester solvent, specifically one or more ester solvents such as benzyl propionate, benzyl acetate, sec-butyl acetate, and ethyl benzoate.

[0008] The synergist is one or more of isoalkyl alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, and di-2-octyl maleate sulfonate.

[0009] The active pharmaceutical agent is avermectin emulsifiable concentrate.

[0010] Furthermore, the anti-clogging and drying agent consists of: 5% abamectin, 23% castor oil polyoxyethylene ether, and benzyl acetate to make up the difference.

[0011] The active pharmaceutical agent is emamectin benzoate.

[0012] Furthermore, the anti-clogging and drying agent comprises: 2.3% emamectin benzoate, 20% isoalkyl alcohol polyoxyethylene ether, 20% benzyl propionate, and water to make up the difference.

[0013] The active agent is a compound solution of fluopyram and abamectin emulsifiable concentrate.

[0014] Furthermore, the anti-clogging and drying agent comprises: fluopyram 1%, abamectin 3%, dioctyl maleate sulfonate 23%, and benzyl acetate to make up the difference.

[0015] The anti-clogging injection agent is used for injection into the trunks of pine trees.

[0016] The method for injecting the anti-clogging injecting agent includes:

[0017] Step 1, Drilling holes: Drill some small holes in the trunk. The number and location of the holes are determined according to the size of the tree and the condition of the disease. The holes penetrate the bark but do not damage the xylem.

[0018] Step 2, Injection: Insert the syringe containing the injection agent into the hole and inject the agent into the tree trunk;

[0019] Step 3, sealing: After injection, seal the opening to prevent medication from leaking out and to prevent external bacteria and viruses from entering;

[0020] Step 4, Monitoring: After injection, the tree's response and the development of disease should be monitored regularly, and repeated injections should be performed if necessary.

[0021] As can be seen from the above description, the present invention has the following advantages:

[0022] 1. This invention effectively solves the problem that traditional pine resin injection agents can only be applied during the dormant period of pine trees and cannot be applied in areas with high temperatures all year round. By utilizing the room temperature solubility of pine resin in organic solvents, the solubility of pine resin is achieved, which not only prevents pore blockage but also ensures the delivery of active agents.

[0023] 2. This invention uses aromatic ester solvents as organic solvents, which have similar polarity to rosin and excellent compatibility. Therefore, it can avoid the backflow of rosin and blockage of pores when the temperature is high.

[0024] 3. This invention utilizes the sterilization activity of aromatic ester solvents to avoid the impact of mechanical damage to the tree on the normal growth of the plant during the injection process.

[0025] 4. The injection agent provided by this invention is a product that can be injected at room temperature. Its significant advantage is that it is not limited by the ambient temperature and can be injected at any time of year. Detailed Implementation

[0026] A specific embodiment of the present invention will be described in detail with reference to the embodiments, but this does not limit the scope of the claims of the present invention in any way.

[0027] Example 1

[0028] One type of anti-clogging and drying agent consists of: 5% abamectin, 23% castor oil polyoxyethylene ether, and benzyl acetate to make up the difference.

[0029] Example 2

[0030] One type of anti-clogging and drying agent is: 2.3% emamectin benzoate, 20% isoalkyl alcohol polyoxyethylene ether, 20% benzyl propionate, and water to make up the difference.

[0031] Example 3

[0032] One type of anti-clogging and drying agent consists of: fluopyram 1%, abamectin 3%, dioctyl maleate sulfonate 23%, and benzyl acetate to make up the difference.

[0033] Example test:

[0034] The injection solutions from Examples 1-3 were packaged in 50mL vials and applied to Masson pine trees. The experiment was conducted in the Wuyishan Scenic Area, Fujian Province, with different injection doses corresponding to different diameters at breast height (DBH) of the Masson pines. The drilling position was preferably 30-100cm above the ground, with a hole diameter of approximately 0.5cm and a depth of 5-10cm, ensuring the injection reached the xylem. The drill bit was drilled at a 45° angle downwards to the trunk. The holes were evenly distributed around the tree using a spiral upward arrangement, avoiding concentrated drilling at the same height, and the distance between individual holes was no less than 20cm. During injection, the nozzle of the injection bottle was slowly inserted into the injection hole, followed by insertion, removal, and plugging of the hole.

[0035] The standard for injection dosage is:

[0036] Breast diameter Dry dose / ml ＜20 50 21-25 100 26-30 150 31-35 200 36-40 250 41-45 300

[0037] The absorption time of the drug was measured as follows:

[0038] Example 1 Example 2 Example 3 Absorption time h 3.6 4.1 4.2 Churn rate % 0.87 0.76 0.83

[0039] It is understood that the above detailed description of the present invention is for illustrative purposes only and is not intended to limit the technical solutions described in the embodiments of the present invention. Those skilled in the art should understand that modifications or equivalent substitutions can still be made to the present invention to achieve the same technical effects; as long as the usage requirements are met, they are all within the protection scope of the present invention.

Claims

1. A clog-resistant dry-filling agent, characterized in that: The drying agent comprises: an active agent, an organic solvent, and a synergist, wherein the organic solvent is an aromatic ester solvent; The active agent is avermectin emulsifiable concentrate, 5% avermectin, 23% castor oil polyoxyethylene ether, and benzyl acetate to make up the difference. Alternatively, the active pharmaceutical agent may be emamectin benzoate, wherein emamectin benzoate: 2.3%, isoalkyl alcohol polyoxyethylene ether: 20%, benzyl propionate 20%, and water to make up; Alternatively, the active agent may be a compound solution of fluopyram and abamectin emulsifiable concentrate, with fluopyram at 1%, abamectin at 3%, dioctyl maleate sulfonate at 23%, and benzyl acetate to make up the difference.

2. The anti-clogging and drying agent according to claim 1, characterized in that: The organic solvent is one or more ester solvents such as benzyl propionate, benzyl acetate, sec-butyl acetate, and ethyl benzoate.

3. The anti-clogging and drying agent according to claim 1, characterized in that: The synergist is one or more of isoalkyl alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, and di-2-octyl maleate sulfonate.

4. The anti-clogging and drying agent according to claim 1, characterized in that: The anti-clogging injection agent is used for injection into the trunks of pine trees. The method for injecting the anti-clogging injecting agent includes: Step 1, Drilling holes: Drill some small holes in the trunk. The number and location of the holes are determined according to the size of the tree and the condition of the disease. The holes penetrate the bark but do not damage the xylem. Step 2, Injection: Insert the syringe containing the injection agent into the hole and inject the agent into the tree trunk; Step 3, sealing: After injection, seal the opening to prevent medication from leaking out and to prevent external bacteria and viruses from entering; Step 4, Monitoring: After injection, the tree's response and the development of disease should be monitored regularly, and repeated injections should be performed if necessary.