CN101658176B - Pesticide for preventing and controlling Bursaphelenchus xylophilus and injection method thereof - Google Patents
Pesticide for preventing and controlling Bursaphelenchus xylophilus and injection method thereof Download PDFInfo
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- CN101658176B CN101658176B CN200810120629.4A CN200810120629A CN101658176B CN 101658176 B CN101658176 B CN 101658176B CN 200810120629 A CN200810120629 A CN 200810120629A CN 101658176 B CN101658176 B CN 101658176B
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention provides a pesticide for preventing and controlling Bursaphelenchus xylophilus and an injection method thereof. The pesticide for preventing and controlling Bursaphelenchus xylophilus comprises an effective medicament X, compound auxiliaries Ai-Aj and solvent S which form an X-Ai-Aj-S system; based on preparing 1L of the pesticide, the consumption of the compositions is that: the consumption of the effective medicament X is 5 to 40g, the consumption of the auxiliary Ai is 100 to 150ml, the consumption of the auxiliary Aj is 150 to 200ml, the consumption of the solvent S is 600 to 700ml, and the balance is water; and the concentration of the prepared pesticide is 0.5-4g/ml. Through experiments, the pesticide has good effect of preventing and controlling the Bursaphelenchus xylophilus, and also has good effect of preventing and controlling Monochamus alternatus Hope, Atysa marginata cinnamomi Chen, sweetgum palmerworms, Dendrolimus houi Lajonquiere, Hylobius abietis, pine bark beetles and the like; and drilling machinery provided by the invention and the injection method adopting the drilling machinery are simple and practical, do not consume fuel or electricity, and are particularly suitable to meet the requirement of preventing and controlling plant diseases and insect pests in mountain woods and forests.
Description
Technical Field
The invention relates to the field of pesticides, in particular to a pesticide for preventing and treating pine wood nematodes and an injection method thereof.
Background
Trees are tall and erect life bodies and are often damaged by pests to affect growth. When the connected forest is damaged by pests, large-scale forest diseases and insect pests are often formed, and the living environment of human beings is influenced. The forest or forest pest and disease damage is difficult to prevent and treat due to the high size of the tree body or the dangerous growth environment, and a plurality of existing prevention and treatment instruments cannot be used under the dangerous environmental condition of mountainous regions or can not deliver medicines to the tree crown to play a role; trees or forests also have a class of pests that attack the trunk and are harmful in the body of the tree, and all spraying methods do not work because the trees obstruct the tree. The punching and pesticide injection is an ideal method for preventing and treating forest diseases and insect pests, and various countries specialize in forest disease and insect control and develop a lot of energy and research to prepare various punching and pesticide injection instruments and technologies, but the punching and pesticide injection instruments and the technologies are not perfect, cannot be matched and are difficult to popularize and apply.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pesticide for preventing and treating pine wood nematodes, which has obvious effect on preventing and treating diseases and pests of forest and trees.
Another technical problem to be solved by the present invention is to provide a practical and easy-to-use method for injecting a pesticide for controlling pine wood nematodes in view of the state of the art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the pesticide for preventing and treating the pine wood nematode is characterized by comprising the following components in percentage by weight: the effective medicine X, the compound auxiliary agent Ai-Aj and the solvent S form an X-Ai-Aj-S system; based on the preparation of 1L of pesticide, the dosage of each component is as follows: 5-40g of effective drug X, 150ml of auxiliary agent Ai, 200ml of auxiliary agent Aj, 700ml of solvent S and the balance of water; the concentration of the prepared pesticide is 0.5-4 g/ml;
wherein,
the effective medicine X is selected from medicines which can effectively kill target pests without toxicity to trees; preferably selected from abamectin, emamectin benzoate, matrine, captopril, deltamethrin or cypermethrin;
the auxiliary agent is selected from a medicine Ai which can help the effective medicine to dissolve and conduct in the tree without toxicity to the tree; the tree is internally provided with resin, particularly pine, so that a medicine Aj which can help effective medicines to dissolve and conduct in the resin without toxicity to the tree needs to be selected to form a compound auxiliary agent Ai-Aj; preferably, Ai is selected from the tween series of drugs, such as tween 80, tween 60, tween 40 or tween 20, preferably tween 80; aj is selected from diethylene glycol butyl ether.
The selection criteria of the solvent are: can dissolve effective drugs, auxiliary agents and resin, can be dissolved in water, has no toxic organic matters to trees, and can preferably select methanol, ethanol or acetone.
The preparation method of the pesticide for preventing and treating the pine wood nematode comprises the following steps: dissolving the effective medicine X in the solvent S, adding the aids Ai and Aj, fully stirring until the effective medicine X is completely dissolved, then adding a small amount of distilled water to a standard volume, finally filling the effective medicine X into an injection bottle in a weight ratio, and packaging.
The injection method of the pesticide for preventing and controlling the pine wood nematode is characterized by comprising the following steps:
firstly, filling pesticide for preventing and controlling pine wood nematode into an injection bottle which can be extruded, wherein the injection bottle can be made of plastic materials, and the mouth of the injection bottle is connected with an injection tube;
secondly, drilling an injection hole on the base of the trunk needing to be injected by a drilling machine;
and thirdly, aligning the injection pipe to the injection hole at the base of the trunk, and injecting the pesticide for preventing and controlling the pine wood nematode into the tree.
In order to facilitate the punching, the punching machine can adopt the following structure: the punching machine is a gun-shaped object and comprises a punching needle with a sharp head tip, a needle seat, a gun rod, a sliding block, a gun handle and a handle; the punching needle is fixed on the needle seat, and a chip-removing groove is formed in the needle body; the needle seat is embedded in the gun seat; the gun rod is hollow and cylindrical, two ends of the gun rod are respectively connected with the gun seat and the gun handle, and a rod body of the gun rod is slidably sleeved with a sliding block; the gun handle is connected with the rubber handle. The perforating needle can be made of spring steel, the handle is made of rubber, and the rest parts can be made of 45# steel. The punching machine is simple and portable, does not burn oil and consume electricity, and is particularly suitable for the prevention and control requirements of diseases and insect pests of mountain forests and forests.
Preferably, a dovetail groove can be formed in the gun seat, the needle seat is in a dovetail shape, and the dovetail-shaped needle seat is embedded in the dovetail groove of the gun seat and fixed through screws and gaskets.
When the punching machine is adopted, the second step is as follows: the punching needle and the main shaft of the trunk form an angle of about 30 degrees to prop the bark, then the sliding block is moved to knock the gun seat, the punching needle is driven into the tree body to punch an injection hole, and after the injection hole is punched, the sliding block is used for knocking the gun handle to enable the punching needle to exit the tree body.
The third step is as follows: aligning the injection tube with the injection hole, extruding the injection bottle to slowly inject pesticide for preventing and treating the pine wood nematode into the injection hole, inserting the injection tube into the trunk and knocking the injection bottle when the liquid medicine in the injection hole overflows, so that the injection tube is in close contact with the trunk to avoid outflow of the liquid medicine; puncture the upper part of the injection bottle, and lead the air to enter the injection bottle to generate pressure, thus leading the transfusion to be carried out smoothly until the transfusion is finished.
Compared with the prior art, tests show that the pesticide for preventing and treating the pine wood nematodes has a better prevention and treatment effect on the pine wood nematodes, and has a good prevention and treatment effect on other forest diseases and pests such as Monochamus alternatus, Luciola camphorata, Dendrolimus, Cryptomeria fortunei, Cyrtymenia pine weevil, bark beetle and the like; meanwhile, the punching machine and the injection method adopting the punching machine provided by the invention are simple and practical, do not burn oil or consume electricity, and are particularly suitable for the prevention and control requirements of diseases and insect pests of mountain forests and forests.
Drawings
FIG. 1 is a schematic plan view of a drug delivery system in an embodiment of the invention;
FIG. 2 is a plan sectional view of a punching machine in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example 1
The preparation of the pesticide for preventing and treating the pine wood nematode comprises the following steps: dissolving main drug X in solvent S, adding adjuvants Ai and Aj, stirring thoroughly until completely dissolved, adding small amount of distilled water to standard volume, filling into injection bottle, and packaging. The drug amounts and formulations are shown in table 1.
Fig. 1 is a schematic plan view of a drug injection system, which includes a plastic injection bottle 9 and a syringe 10. The prepared liquid medicine is filled into the plastic bottle 9, and then the injection tube 10 is hermetically connected to the bottle mouth of the plastic bottle 9.
Fig. 2 shows a plan section of the perforating machine, whose overall shape is similar to that of a "gun", comprising a perforating needle 2, a needle seat 3, a gun seat 4, a gun rod 5, a slide block 6, a gun handle 7 and a rubber handle 8; the punching needle 2 is made of spring steel, is fixed on the needle seat 3, has a sharp tip, and is provided with a chip-removing groove 1 on the needle body; the gun seat 4 is provided with a dovetail groove, the needle seat 3 is in a dovetail shape matched with the dovetail groove, and the dovetail needle seat 3 is embedded in the dovetail groove of the gun seat 4 and fixedly connected together by a screw and a gasket; the gun rod 5 is hollow and cylindrical, two ends of the gun rod are respectively connected with the gun seat 4 and the gun handle 7, and a sliding block 6 is slidably sleeved on the rod body; the rubber handle 8 is sleeved on the rear end part of the gun handle 7. The remaining components of the drilling machine may be made of 45# steel.
A tree to be protected is selected in a forest land damaged by diseases and insects, an injection hole is punched at the base of a trunk by a punching instrument, the punching needle 2 and a main shaft of the trunk form an angle of about 30 degrees to prop up a tree bark, then the sliding block 6 is moved to knock the gun seat 4, the punching needle 2 is punched into the tree body, and the sliding block 6 is used for knocking the gun handle 7 to withdraw from the trunk to punch the injection hole. Cutting off the nozzle top of the injection tube 10 by scissors or other cutters to expose the injection nozzle, immediately aligning the injection nozzle with the injection hole of the trunk, extruding the injection bottle to slowly inject the liquid medicine into the injection hole, inserting the injection nozzle into the trunk and knocking the bottle body when the liquid medicine in the injection hole overflows, so that the injection nozzle is tightly contacted with the trunk to avoid outflow of the liquid medicine; the upper part of the plastic bottle is punctured by scissors, so that air enters to generate pressure, and the infusion is smoothly carried out; at the moment, the medicine entering the tree body is diffused to all parts of the tree body along with the transpiration pulling force of the tree, the function of resisting pests and pathogens from invading the tree is exerted, and the pests and pathogens damaging the tree are eliminated by fire.
The pesticide for preventing and treating the pine wood nematode and the injection method thereof provided by the invention are applied to preventing and treating the forest pine wood nematode disease. Pine wood nematode control has three major difficulties: the pine forest has large area and poor growing area conditions, is often distributed on the cliff of the mountains and the mountains on the mountains and the cliffs, and is difficult to be put in place by the conventional technology; secondly, common pine resin-rich medicines are difficult to be transported in the trees; thirdly, the pathogenic mechanism is complex. Therefore, the medicine must have double functions of killing insects and curing diseases.
The pesticide and the injection method are used for injecting 10 black pines which are very susceptible to diseases into forest lands with the onset of the first place, and 8000 pine wood nematodes are artificially inoculated into each black pines. Alternatively, 5 Pinus thunbergii plants were used as controls without drug injection, and 5000 nematodes were inoculated to each plant. After 5-6 months, the pine wood nematodes are inspected after a large amount of disease symptoms are shown, 0 pine tree in the group inoculated with the injection is dead, and the mortality rate is 0%; the mortality rate of the control pine trees was 100%. 38000 plants were injected with the pesticide and the punch provided by the present invention in the forest land, and after 6 months, the pine withering and death rate decreased to 0.02%.
Experiments prove that the pesticide is effective in preventing and controlling various forest diseases and pests. The tested pesticide has good effect on controlling the Diabrotica camphorata, the Liquidambar formosana and the cryptomeria fortunei. The injection method has the advantages of simple and convenient technology, no oil burning, no electricity consumption, good liquid medicine conductivity, good killing and preventing effect of the main medicine on the pine wood nematodes and the monochamus alternatus, and good applicability.
Ingredients and amounts of the components in the examples of Table 1
Example 2, example 3, example 4, example 5 and example 6
The amounts and configurations of the drugs of examples 2 to 6 are shown in table 1. The control results similar to those of example 1 were obtained by using the pesticides prepared by the formulations of examples 2 to 6, respectively, for forest trees.
The rest is the same as example 1.
Claims (5)
1. A pesticide for controlling pine wood nematode, which is characterized in that the pesticide comprises: the effective medicine X, the auxiliary agent Ai-Aj and the solvent S form an X-Ai-Aj-S system; the system comprises the following components in proportion: based on the preparation of 1L of pesticide, the dosage of each component is as follows: 5-40g of effective drug X, 150ml of auxiliary agent Ai, 200ml of auxiliary agent Aj, 700ml of solvent S and the balance of water; the concentration of the prepared pesticide is 0.5-4 g/ml;
wherein the effective drug X is selected from matrine, tabasheer, deltamethrin or cypermethrin;
the aid Ai-Aj is a compound aid, wherein Ai is a drug which can help effective drugs to dissolve and conduct in trees and cannot be toxic to the trees, and is selected from tween 80, tween 60, tween 40 or tween 20; aj is a medicine which helps effective medicines to be dissolved and conducted in resin and cannot be toxic to trees, and is diethylene glycol monobutyl ether;
the solvent is selected from methanol, ethanol or acetone.
2. A method of injecting a pesticide for controlling pine wood nematodes as claimed in claim 1, comprising the steps of:
filling the pesticide for preventing and controlling the pine wood nematode into an extrudable injection bottle, wherein the mouth of the injection bottle is connected with an injection tube;
secondly, drilling an injection hole on the base of the trunk needing to be injected by a drilling machine;
thirdly, the injection pipe is aligned to the injection hole at the base of the trunk, and pesticide for preventing and controlling the pine wood nematode is injected into the tree;
the punching machine comprises a punching needle with a sharp tip, a needle seat, a gun rod, a sliding block, a gun handle and a handle; the punching needle is fixed on the needle seat, and a chip-removing groove is formed in the needle body; the needle seat is embedded in the gun seat; the gun rod is hollow and cylindrical, two ends of the gun rod are respectively connected with the gun seat and the gun handle, and a rod body of the gun rod is slidably sleeved with a sliding block; the gun handle is connected with the rubber handle.
3. The method of injecting a pesticide for controlling pine wood nematodes according to claim 2, wherein: the gun seat is provided with a dovetail groove, the needle seat is in a dovetail shape, and the dovetail needle seat is embedded in the dovetail groove of the gun seat and fixed by screws and gaskets.
4. The injection method of a pesticide for controlling pine wood nematodes according to claim 2 or 3, characterized in that: the second step is: the punching needle and the main shaft of the trunk form an angle of about 30 degrees to prop the bark, then the sliding block is moved to knock the gun seat, the punching needle is driven into the tree body to punch an injection hole, and after the injection hole is punched, the sliding block is used for knocking the gun handle to enable the punching needle to exit the tree body.
5. The injection method of a pesticide for controlling pine wood nematodes according to claim 2 or 3, characterized in that: the third step is as follows: aligning the injection tube with the injection hole, extruding the injection bottle to slowly inject pesticide for preventing and treating the pine wood nematode into the injection hole, inserting the injection tube into the trunk and knocking the injection bottle when the liquid medicine in the injection hole overflows, so that the injection tube is in close contact with the trunk to avoid outflow of the liquid medicine; puncture the upper part of the injection bottle, and lead the air to enter the injection bottle to generate pressure, thus leading the transfusion to be carried out smoothly until the transfusion is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810120629.4A CN101658176B (en) | 2008-08-27 | 2008-08-27 | Pesticide for preventing and controlling Bursaphelenchus xylophilus and injection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810120629.4A CN101658176B (en) | 2008-08-27 | 2008-08-27 | Pesticide for preventing and controlling Bursaphelenchus xylophilus and injection method thereof |
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| Publication Number | Publication Date |
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| CN101658176A CN101658176A (en) | 2010-03-03 |
| CN101658176B true CN101658176B (en) | 2014-08-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102007926B (en) * | 2010-12-14 | 2013-09-18 | 馥稷生物科技发展（上海）有限公司 | Liquid formulation containing emamectin benzoate for trunk injection |
| SG11201406278PA (en) * | 2012-04-04 | 2014-11-27 | Syngenta Participations Ag | Pesticidal composition |
| CN102726228A (en) * | 2012-06-29 | 2012-10-17 | 句容市仑山花木场 | Closed prevention and control method for longhorn beetles |
| CN103651522B (en) * | 2013-10-31 | 2015-03-04 | 湖南农业大学 | Deltamethrin or composition thereof and application in preventing plant nematodiasis |
| CN104396971A (en) * | 2014-09-24 | 2015-03-11 | 中国热带农业科学院环境与植物保护研究所 | Coconut black-headed caterpillar control medicament and application method thereof |
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| CN101658176A (en) | 2010-03-03 |
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