CN110999691A - Poplar trunk image control method based on osmotic migration - Google Patents
Poplar trunk image control method based on osmotic migration Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N53/00—Biocides, pest repellants or attractants, or plant growth regulators containing cyclopropane carboxylic acids or derivatives thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
- A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
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Abstract
The invention discloses a control method of poplar trunk elephant based on penetration migration, which belongs to the technical field of pest control, and the control method comprises the steps of preparing a mixed preparation from a medicament and a penetrating agent, directly coating the mixed preparation on a trunk, constructing a trunk isolation belt, simultaneously coating for the second time, coating the mixed preparation on the trunk, and then binding an adhesive tape or a plastic cloth.
Description
Technical Field
The invention relates to the technical field of pest control, in particular to a poplar trunk target control method based on osmotic migration.
Background
The taxonomic name of trunk weevil is Cryptorhyhchglapathail, Coleoptera, Bispidae. The method is mainly distributed in the three provinces of northeast China, inland and Hebei provinces, is destructive poplar trunk images of Salicaceae such as Populus microphylla, Populus deltoides, Populus canadensis, Populus middongtungensis, Populus martensii hybrid tree species and Salix matsudana, and is difficult to grow into timber due to dry death or severe dry shoot and dry of damaged trees caused by untimely or neglected control. The trunk weevil of poplar mainly takes larvae as pests, and is characterized in that the larvae are damaged into a circular tunnel around a trunk at phloem and essence parts, and the transportation and conduction tissues of the tree are cut off, so that the mild trunk weevils cause the trunk tips of the damaged tree, and the severe trunk weevils die after the whole tree is dried up.
The number of larvae of trunk elephant is 6 ages, the performance characteristics of each age are inconsistent, and generally, diseases begin to be gradually displayed after 2 ages. The existing control method is started after 2 years, and the drilling method is an effective method, but the operation is complicated, and the control time is delayed, so that the control method of the poplar trunk elephant is required to be provided, wherein the control method is simple to operate and is suitable for control time.
Disclosure of Invention
The invention aims to provide a poplar trunk elephant control method based on osmotic migration, and aims to solve the problems of complex operation and delayed control time of a drilling method.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a poplar trunk target control method based on osmotic migration, which comprises the steps of preparing a medicament, preparing an osmotic agent, spraying the medicament and the osmotic agent.
Further, the process of preparing the medicament comprises the following steps: mixing cypermethrin, abamectin, phoxim and imidacloprid, adding polyethylene glycol, and stirring uniformly.
Further, the concentration of the cypermethrin is 2%, the concentration of the abamectin is 2%, the concentration of the phoxim is 10% and the concentration of the imidacloprid is 70%.
Further, cypermethrin, abamectin, phoxim and imidacloprid are mixed according to the volume ratio of 50:20:20: 10.
Further, the process of formulating the penetrant is as follows: 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-propylene oxide are reacted for 0.5 to 1 hour at the temperature of 145-160 ℃ and the vacuum pressure of 0.4 to 0.5MPa in the presence of a catalyst; then adding ethylene oxide to react for 5-6 hours under the conditions that the temperature is 120-135 ℃ and the vacuum pressure is 0.4-0.5MPa to obtain 2-bromine-2-nitro-1, 3-propanol polyether; finally, heating the 2-bromo-2-nitro-1, 3-propanol polyether to 75-80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, reacting for 1-1.5 hours under the condition of heat preservation, and dehydrating to obtain the penetrating agent; 19-20 parts of 2-bromo-2-nitro-1, 3-propanol, 27-28 parts of 1-bromo-2, 3-epoxypropane, 43.5-44.5 parts of ethylene oxide and 18-19 parts of epichlorohydrin.
Further, the catalyst is one of sodium persulfate, potassium persulfate and ammonium persulfate.
Further, the poplar trunk image control method based on osmotic migration comprises the following steps:
(1) mixing the medicament and the penetrating agent to obtain a mixed preparation;
(2) applying the mixed preparation on the trunk in 4-8 months;
(3) in 9-10 months, when the trunk isolation belt is constructed, the mixed preparation is firstly smeared on the trunk, and then the adhesive tape or the plastic cloth is tightened to ensure that the liquid medicine is fully permeated.
Further, in the step (1), the mixed medicament and the penetrating agent are mixed according to the volume ratio of 6: 4.
Further, the mixed preparation is smeared on a trunk which is 1.5-2m away from the ground. The penetrating agent can carry the effective components for killing the trunk elephant of the poplar to quickly penetrate into the bark of the tree to directly kill the trunk elephant of the poplar without punching, has no harm to the tree, greatly improves the control effect on the trunk elephant of the poplar, and reduces the influence of the exposure of the effective components for killing the trunk elephant of the poplar on the environment and public safety; on the other hand, the prevention and control method of the trunk elephant only needs to smear the trunk elephant liquid medicine, is convenient to operate, is particularly suitable for urban street trees, nurseries and the like, and greatly improves the prevention and control efficiency.
Further, 30-40 trees are treated by 30 jin of the mixed preparation according to the average chest diameter of the trunk not exceeding 20 cm. The pesticide is applied according to the life habits of the dried poplar elephant, and the pesticide application dosage is controlled, so that the killing effect of the dried poplar elephant is effectively improved, the pesticide application dosage is reduced, and the economic cost is saved.
The damage of the trunk weevils of the poplar is regular; the method is characterized in that the insect state in early spring is all in the stage of initial incubation, no adult or mature larva state exists, the symptom is obvious in the early stage of forest damage in early spring, namely the damaged part has irregular water stain shape, the length and the width are about 1-5 cm, and the larva with the size of rice grains can be found if the epidermis is cut off by a knife. Therefore, the invention carries out one-time drug control in early spring in the early stage of taking the trunk elephant as the pest according to the characteristics of the pest rule of the poplar, and realizes the thorough elimination of the pest. Meanwhile, in order to avoid incomplete disinsection, the insecticide is coated for the second time, so that the disinsection effect is enhanced.
The method for preventing and controlling the trunk of the poplar based on the osmotic migration directly coats the mixed preparation on the trunk, does not need special tools, is convenient to operate, is particularly suitable for urban street trees, nurseries and the like, and greatly improves the prevention and control efficiency. Because the mixed preparation contains a plurality of components, the mixed preparation of the invention only needs to be smeared on the trunk without punching, has no harm to the trunk, and greatly improves the control effect on the trunk. Meanwhile, the active ingredients contained in the mixed preparation for killing the dry elephant of the poplar are low in toxicity and have systemic activity, and can be rapidly carried into a tree body along with the application of the penetrating agent to directly kill the dry elephant of the poplar, and meanwhile, the influence of the exposure of the active ingredients for killing the dry elephant of the poplar on the environment and public safety is reduced.
Detailed Description
Reference will now be made in detail to various exemplary embodiments of the invention, the detailed description should not be construed as limiting the invention but as a more detailed description of certain aspects, features and embodiments of the invention.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Further, for numerical ranges in this disclosure, it is understood that each intervening value, between the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although only preferred methods and materials are described herein, any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention. All documents mentioned in this specification are incorporated by reference herein for the purpose of disclosing and describing the methods and/or materials associated with the documents. In case of conflict with any incorporated document, the present specification will control.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
As used herein, the terms "comprising," "including," "having," "containing," and the like are open-ended terms that mean including, but not limited to.
Example 1
(1) In the morning of 4 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the pesticide is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 50:20:20: 10; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 0.5 hour at the temperature of 145 ℃ and under the vacuum pressure of 0.4MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 5 hours under the conditions that the temperature is 120 ℃ and the vacuum pressure is 0.4MPa to obtain 2-bromine-2-nitro-1, 3-propanol polyether; finally, heating the 2-bromo-2-nitro-1, 3-propanol polyether to 75 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature for reaction for 1 hour, and dehydrating to obtain the penetrating agent; the adhesive comprises, by weight, 19 parts of 2-bromo-2-nitro-1, 3-propanol, 27 parts of 1-bromo-2, 3-epoxypropane, 43.5 parts of ethylene oxide and 18 parts of epichlorohydrin;
(2) smearing the poplar with the trunk being 1.5m away from the ground, and uniformly smearing the poplar from top to bottom, wherein smearing is carried out according to the dosage of treating 40 trees by 30 jin of liquid medicine and the poplar with the average diameter at breast height of 15 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 98%, and the prevention effect of lateral branch poplar trunk elephant is 96%.
Example 2
(1) In the morning of 5 months in 2019, in the morning of more than one cloud, the mixed preparation is smeared on the willow trunk in the Shenyang area of Liaoning by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the pesticide is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 50:20:20: 10; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 0.8 hour at the temperature of 150 ℃ and under the vacuum pressure of 0.5MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 5 hours under the conditions that the temperature is 125 ℃ and the vacuum pressure is 0.45MPa to obtain 2-bromine-2-nitro-1, 3-propanol polyether; finally, heating the 2-bromo-2-nitro-1, 3-propanol polyether to 75 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature for reaction for 1 hour, and dehydrating to obtain the penetrating agent; by weight, 19.5 parts of 2-bromo-2-nitro-1, 3-propanol, 27.5 parts of 1-bromo-2, 3-epoxypropane, 43.5 parts of ethylene oxide and 18.5 parts of epichlorohydrin;
(2) smearing the willow trunk within 1.8m of the ground, and uniformly smearing the willow trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and willow trees with the average diameter at breast height of 20 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 99%, and the prevention effect of lateral branch poplar trunk elephant is 96%.
Example 3
(1) In the morning of 5 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the pesticide is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 50:20:20: 10; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 1 hour at the temperature of 160 ℃ and under the vacuum pressure of 0.5MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 6 hours under the conditions that the temperature is 135 ℃ and the vacuum pressure is 0.5MPa to obtain 2-bromo-2-nitro-1, 3-propanol polyether, finally heating the 2-bromo-2-nitro-1, 3-propanol polyether to 80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature to react for 1 hour, and dehydrating to obtain the penetrating agent; the adhesive comprises, by weight, 20 parts of 2-bromo-2-nitro-1, 3-propanol, 28 parts of 1-bromo-2, 3-epoxypropane, 44.5 parts of ethylene oxide and 19 parts of epichlorohydrin;
(2) smearing the poplar trunk within 2m from the ground, and uniformly smearing the poplar trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and poplar with the average diameter at breast height of 15 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 99%, and the prevention effect of lateral branch poplar trunk elephant is 97%.
Comparative example 1
(1) In the morning of 5 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the medicament is prepared by mixing 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 70:20: 10; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 1 hour at the temperature of 160 ℃ and under the vacuum pressure of 0.5MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 6 hours under the conditions that the temperature is 135 ℃ and the vacuum pressure is 0.5MPa to obtain 2-bromo-2-nitro-1, 3-propanol polyether, finally heating the 2-bromo-2-nitro-1, 3-propanol polyether to 80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature to react for 1 hour, and dehydrating to obtain the penetrating agent; the adhesive comprises, by weight, 20 parts of 2-bromo-2-nitro-1, 3-propanol, 28 parts of 1-bromo-2, 3-epoxypropane, 44.5 parts of ethylene oxide and 19 parts of epichlorohydrin;
(2) smearing the poplar trunk within 2m from the ground, and uniformly smearing the poplar trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and poplar with the average diameter at breast height of 15 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 45%, and the prevention effect of lateral branch poplar trunk elephant is 35%.
Comparative example 2
(1) In the morning of 5 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the medicament is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin and 10% of phoxim according to the volume ratio of 50:20: 30; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 1 hour at the temperature of 160 ℃ and under the vacuum pressure of 0.5MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 6 hours under the conditions that the temperature is 135 ℃ and the vacuum pressure is 0.5MPa to obtain 2-bromo-2-nitro-1, 3-propanol polyether, finally heating the 2-bromo-2-nitro-1, 3-propanol polyether to 80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature to react for 1 hour, and dehydrating to obtain the penetrating agent; the adhesive comprises, by weight, 20 parts of 2-bromo-2-nitro-1, 3-propanol, 28 parts of 1-bromo-2, 3-epoxypropane, 44.5 parts of ethylene oxide and 19 parts of epichlorohydrin;
(2) smearing the poplar trunk within 2m from the ground, and uniformly smearing the poplar trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and poplar with the average diameter at breast height of 15 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 57%, and the prevention effect of lateral branch poplar trunk elephant is 50%.
Comparative example 3
(1) In the morning of 5 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 600ml of medicament and 400ml of penetrating agent, and 30 jin of water is added; the pesticide is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 50:20:20: 10; the penetrating agent is 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-epoxypropane, and the reaction is carried out for 1 hour at the temperature of 160 ℃ and under the vacuum pressure of 0.5MPa in the presence of ammonium persulfate; then adding ethylene oxide to react for 6 hours under the conditions that the temperature is 135 ℃ and the vacuum pressure is 0.5MPa to obtain 2-bromo-2-nitro-1, 3-propanol polyether, finally heating the 2-bromo-2-nitro-1, 3-propanol polyether to 80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, keeping the temperature to react for 1 hour, and dehydrating to obtain the penetrating agent; the adhesive comprises, by weight, 20 parts of 2-bromo-2-nitro-1, 3-propanol, 28 parts of 1-bromo-2, 3-epoxypropane, 44.5 parts of ethylene oxide and 19 parts of epichlorohydrin;
(2) smearing the poplar trunk within 2m from the ground, and uniformly smearing the poplar trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and poplar with the average diameter at breast height of 15 cm;
(3) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 90%, and the prevention effect of lateral branch poplar trunk elephant is 80%.
Comparative example 4
(1) In the morning of 5 months in 2019, the trunk of the poplar in the Hebei Baoding area is coated with the mixed preparation by using a clean paint brush to prevent and control the trunk image of the poplar; wherein the mixed preparation comprises 1000ml of medicament, does not contain penetrating agent and is added with 30 jin of water; the pesticide is prepared by mixing 2% of beta-cypermethrin, 2% of abamectin, 10% of phoxim and 70% of imidacloprid in a volume ratio of 50:20:20: 10;
(2) smearing the poplar trunk within 2m from the ground, and uniformly smearing the poplar trunk from top to bottom, wherein smearing is carried out according to the dosage of 30 trees treated by 30 jin of liquid medicine and poplar with the average chest diameter of 20 cm;
(3) in 9 months, when a trunk isolation belt is constructed, firstly smearing the mixed preparation on the trunk, and then tightening an adhesive tape or a plastic cloth to enable the liquid medicine to fully permeate;
(4) two weeks after the application of the pesticide, the bark is lifted to check the control effect of the trunk elephant, and the lateral branches are cut off and split to check the control effect of the trunk elephant on the crown poplar. And observation shows that: the prevention effect of trunk poplar trunk elephant is 70%, and the prevention effect of lateral branch poplar trunk elephant is 55%.
From the above, the traditional Chinese medicine and the penetrating agent in the mixed preparation of the invention can play a synergistic role, and enhance the prevention and treatment effect on the poplar trunk elephant; the secondary smearing can enhance the prevention and treatment effect. The efficient cypermethrin and the imidacloprid in the pesticide have a synergistic effect, and the control effect on the trunk is enhanced.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. A poplar trunk target control method based on osmotic migration is characterized by comprising preparation of a medicament, preparation of an osmotic agent, spraying of the medicament and the osmotic agent.
2. The method for controlling poplar trunk elephant based on osmotic migration according to claim 1, wherein the process of preparing the medicament is as follows: mixing cypermethrin, abamectin, phoxim and imidacloprid, adding polyethylene glycol, and stirring uniformly.
3. The method for controlling trunk poplar trunk on the basis of osmotic migration as claimed in claim 2, wherein the concentration of cypermethrin is 2%, the concentration of abamectin is 2%, the concentration of phoxim is 10% and the concentration of imidacloprid is 70%.
4. The method for controlling trunk poplar trunk based on osmotic migration as claimed in claim 3, wherein cypermethrin, abamectin, phoxim and imidacloprid are mixed according to the volume ratio of 50:20:20: 10.
5. The method for controlling poplar trunk elephant based on osmotic migration as claimed in claim 1, wherein the process of formulating osmotic agent is as follows: 2-bromo-2-nitro-1, 3-propanol and 1-bromo-2, 3-propylene oxide are reacted for 0.5 to 1 hour at the temperature of 145-160 ℃ and the vacuum pressure of 0.4 to 0.5MPa in the presence of a catalyst; then adding ethylene oxide to react for 5-6 hours under the conditions that the temperature is 120-135 ℃ and the vacuum pressure is 0.4-0.5MPa to obtain 2-bromine-2-nitro-1, 3-propanol polyether; finally, heating the 2-bromo-2-nitro-1, 3-propanol polyether to 75-80 ℃ in the presence of water and sodium hydroxide, adding epoxy chloropropane, reacting for 1-1.5 hours under the condition of heat preservation, and dehydrating to obtain the penetrating agent; 19-20 parts of 2-bromo-2-nitro-1, 3-propanol, 27-28 parts of 1-bromo-2, 3-epoxypropane, 43.5-44.5 parts of ethylene oxide and 18-19 parts of epichlorohydrin.
6. The method for controlling trunk poplar trunk images based on osmotic migration according to claim 5, wherein the catalyst is one of sodium persulfate, potassium persulfate and ammonium persulfate.
7. The method for controlling poplar trunk images based on osmotic migration according to claim 1, comprising the following steps:
(1) mixing the medicament and the penetrating agent to obtain a mixed preparation;
(2) applying the mixed preparation on the trunk in 4-8 months;
(3) in 9-10 months, the mixed preparation is firstly smeared on the trunk while constructing the trunk isolation belt, and then the adhesive tape or the plastic cloth is tied.
8. The method for controlling trunk poplar trunk images based on osmotic migration as claimed in claim 7, wherein the mixed medicament and the osmotic agent are mixed in a volume ratio of 6:4 in the step (1).
9. The method for controlling trunk based on infiltration migration according to claim 7, wherein the mixed preparation is coated on the trunk 1.5-2m away from the ground.
10. The method for controlling poplar trunk based on osmotic migration according to claim 7, wherein 30 jin of the mixed preparation is used for treating 30-40 trees, and the average diameter at breast height of the trunk is not more than 20 cm.
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