CN114642213A - Preparation method of rubber tree solid slow-release irritant - Google Patents
Preparation method of rubber tree solid slow-release irritant Download PDFInfo
- Publication number
- CN114642213A CN114642213A CN202210156769.7A CN202210156769A CN114642213A CN 114642213 A CN114642213 A CN 114642213A CN 202210156769 A CN202210156769 A CN 202210156769A CN 114642213 A CN114642213 A CN 114642213A
- Authority
- CN
- China
- Prior art keywords
- release
- ethephon
- emulsifier
- slow
- stimulant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- 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
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
-
- 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
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
- A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
-
- 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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
-
- 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
- A01N27/00—Biocides, pest repellants or attractants, or plant growth regulators containing hydrocarbons
Abstract
The invention relates to the field of rubber tapping production of natural rubber trees, in particular to a preparation method of a solid slow-release stimulant for the rubber trees, which comprises the following steps: s1: taking vaseline as a cut body, heating and melting the vaseline, adding an emulsifier and a moisture absorbent, and uniformly stirring and mixing the vaseline and the emulsifier in a water bath emulsifying pot at 45-60 ℃ under a vacuum state to prepare a moisture absorbent cream matrix; s2: adding bactericide into oil, adding emulsifier and penetration enhancer, and making into emulsifiable solution; s3: stirring the cream matrix of S1 and the emulsifiable concentrate of S2 in an emulsifying pot at 45-50 ℃ under vacuum to obtain the slow-release stimulant carrier; s4: heating and melting 90% ethephon original drug in water bath at 82-85 ℃, and diluting to prepare 5% -10% ethephon ointment mother liquor; s5: dissolving the slow release agent carrier into a viscous state in a water bath at 50-60 ℃, adding ethephon ointment mother liquor according to the concentration and the mass ratio to prepare ethephon slow release ointments with different concentrations, uniformly stirring in vacuum, and cooling to obtain the solid slow release stimulant.
Description
Technical Field
The invention relates to the field of natural rubber tree tapping production, in particular to a preparation method of a rubber tree solid slow-release stimulant.
Background
The natural rubber trees mainly grow in tropical rainforest regions, and a large number of hot areas in Yunnan and Guangdong of China are planted in the present Hainan area, and are an important base for producing natural rubber in China. The used natural rubber is made of latex secreted by rubber trees, and the rubber collection is mainly completed by cutting the trunk bark of the rubber trees.
In the rubber tapping production process of the rubber trees, an irritant is often used for improving the yield and benefits, ethephon stimulation is used as an important means and a main stimulation factor for increasing the yield of the rubber trees, and is widely applied to the production of natural rubber to achieve the purposes of replacing a worker with a medicine, replacing a bark with the medicine and realizing low-frequency high efficiency, and researches show that the application of ethephon stimulation to rubber tapping can increase the yield of rubber tree latex by 1.5-2 times. As an important component of a modern rubber tapping system, the ethephon stimulation rubber tapping system is widely popularized in rubber tree rubber tapping technical regulations issued in 2006 in China, and in the ethephon stimulation rubber tapping production process, ethephon water or paste is mainly used for coating a rubber tapping line, so that the rubber tapping line is uneven in pesticide application, easy to wash, short in pesticide effect, large in side effect and the like, the occurrence of rubber tree tapping disease (the phenomenon that the latex tube of the rubber tapping surface is physiologically pathological change, so that the bark is dried up, and the latex tube loses the rubber discharge function) is easily caused, the sustainable development of natural rubber is seriously influenced, and the ethephon stimulation rubber tapping system becomes one of problems to be solved urgently in natural rubber tapping production.
In the existing rubber tree tapping stimulation production technology, most of the traditional ethephon stimulants are liquid water agents or pastes, the ethephon stimulants are applied on a cutting line of a cutting surface, the liquid stimulants are easy to volatilize in high-temperature weather and easy to wash in rainy days, the pesticide effect duration is short, the pesticide application is easy to be uneven, side effects such as stimulation fatigue are generated, so that the components of the liquid stimulants are lost, the rubber tree stimulation tapping production effect is poor, the tree stimulation damage is obvious, and the rubber tree tapping stimulation production technology is difficult to popularize and apply.
Therefore, a preparation method of the solid sustained-release irritant for the rubber trees is provided for solving the problems. Has the effects of convenient and uniform application, slow and long-lasting drug effect, wound coating, antibiosis, disease prevention, stimulation, yield increase, labor saving and high efficiency.
Disclosure of Invention
The invention provides a preparation method of a solid sustained-release stimulant for rubber trees, which aims to make up the defects of the existing rubber tapping production stimulation technology and solve the problems that a liquid stimulant is easy to volatilize in high-temperature weather, is easy to wash in rainy days, has short duration of drug effect, is uneven in pesticide application, lacks protection on cut surface injury, is easy to generate side effects such as stimulation fatigue and the like, so that the components of the liquid stimulant are lost, the drug effect is poor, the rubber tree stimulation rubber tapping production effect is poor, the stimulation injury to rubber trees is obvious, the rubber tree is difficult to popularize and apply, and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a preparation method of a rubber tree solid slow-release stimulant, which comprises the following steps:
s1: taking vaseline as a cut body, heating and melting the vaseline, adding an emulsifier and a moisture absorbent, and uniformly stirring and mixing the vaseline and the emulsifier in a water bath emulsifying pot at 45-60 ℃ under a vacuum state to prepare a moisture absorbent cream matrix;
s2: adding bactericide into oil, adding emulsifier and penetration enhancer, and stirring at room temperature and under vacuum in emulsifying pot to obtain emulsifiable solution;
s3: stirring the cream matrix of S1 and the cream of S2 in an emulsifying pot at 45-50 ℃ under vacuum, and fully and uniformly mixing to obtain the slow-release stimulant carrier;
s4: heating and melting 90% ethephon original drug in water bath at 82-85 ℃, and diluting to prepare 5% -10% ethephon ointment mother liquor;
s5: dissolving the slow release agent carrier into a viscous state in a water bath at 50-60 ℃, adding ethephon ointment mother liquor according to the concentration and the mass ratio to prepare ethephon slow release ointments with different concentrations, uniformly stirring in vacuum, and cooling to obtain the solid slow release stimulant.
Preferably, the vaseline in S1 is industrial vaseline with the content of 45-60%, the emulsifier is o pi-4 with the content of 2-4%, the moisture absorbent is glycerin with the content of 2-4%, and the stirring time is lO-30 minutes.
Preferably, the bactericide in S2 is a systemic bactericide and a non-systemic bactericide, the content of the bactericide is 4-8% and 0.5-2% respectively, the oil is one or more of vegetable oil, mineral oil, vegetable oil and mineral oil, the content of the oil is 28-38%, the content of the emulsifier is o pi-7, the content of the emulsifier is 2-4%, and the stirring time is 10-30 minutes.
Preferably, the cream matrix and the emulsifiable concentrate in the S1 are uniformly stirred in an emulsifying pot at 45-50 ℃ for 10-30 minutes.
Preferably, the 90% ethephon original drug in S4 is heated and melted in water bath at 85 ℃, and diluted to prepare 5% -10% ethephon ointment mother liquor.
Preferably, the sustained-release agent carrier is dissolved in a water bath of 50-60 ℃ in S5 to be sticky, ethephon ointment mother liquor is added according to the concentration and the mass ratio to prepare ethephon sustained-release agents with different concentrations, and the mixture is stirred uniformly and cooled to be solid sustained-release stimulation ointment.
Preferably, the vaseline, the emulsifier and the moisture absorbent in S1 are stirred in a water bath emulsification pot at three-level speeds of 200-.
Preferably, the emulsifiers added in S1 and S2 are span-80 and lacto-lark A-100.
The invention has the advantages that:
1. the slow-release paste has strong specific permeability, rain wash resistance and long drug effect period, has the effects of stimulating production increase and preventing and treating the dough cut diseases, can prolong the effective period of the existing stimulating gum cutting ethephon application from 15-20 days to more than 1 month according to the rubber production management regulations, reduces the annual application from 15-20 times to 8-10 times, comprehensively reduces the labor cost for application and reaches 50 percent, uniformly coats the product on a dough cut line, is convenient to apply, has lasting drug effect and good production increase effect, can play a role in coating protection to prevent the dough cut diseases, ensures sustainable safe gum collection, and achieves the purposes of labor saving, high yield and high efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the preparation method of the solid sustained-release stimulant for rubber trees in the invention;
FIG. 2 is a graph of the latex production for various ethephon stimulants (S/2d 4).
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Test of drug efficacy
The first test scheme is as follows:
1. test agents: 2% of solid sustained-release ethephon ointment;
2. control agents: 2% ethephon aqua;
3. test site: the scientific research institute of tropical crops in Yunnan province;
4. test crops and control subjects: natural rubber tree-increasing yield, variety: 7-4 of Yunyan, and the age of the tree is 16 years;
5. and (3) test treatment: setting 2 treatments, namely CK, repeating for 3 times, wherein each treatment comprises 3 plants, cutting by adopting S/2d4, and observing the yield of the latex produced by each plant;
6. the application time is as follows: the application is carried out in 5-11 months of the rubber tree cutting;
7. the using method comprises the following steps: a smearing method, namely uniformly smearing the medicament on a rubber tree cutting line one day before tapping the rubber of the rubber tree, smearing 2g of medicament on each tree, smearing the medicament once according to S/2d4 to cut the rubber until the yield is equivalent to that of a contrast (no medicament is smeared), then smearing the medicament and tapping the rubber, and continuously and periodically observing, wherein the medicament is not smeared when the yield is flushed by rainwater;
8. and (3) test results:
TABLE 1
TABLE 1 Table of results of the solid sustained release ethephon stimulant vs. Table I latex
Secondly, explanation of the drug effect:
1. compared with the latex yield and drug effect of the ethephon water aqua used in the existing rubber tapping production, the ethephon water aqua has obvious stimulation and yield increasing drug effects, and the yield is about 2 times of that of the ethephon water aqua used in the existing rubber tapping production.
2. The drug effect of the ethylene hydragogue is taken 4-5 times for 16-20 days, the solid slow-release stimulant has more lasting drug effect, the yield can be reduced to the control level only after 8-9 times, the drug effect can last for more than 30 days, the drug application frequency can be reduced by 1 time compared with the ethylene hydragogue, and the annual drug application frequency can be reduced from 16 times to 8 times.
3. The solid slow-release stimulant can resist rain wash, has good systemic permeability and long and lasting drug action, has the effect of coating and sealing a cut surface, can protect and prevent cut surface diseases, and is very beneficial to rubber low-frequency stimulation rubber tapping production.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A preparation method of a rubber tree solid slow-release stimulant is characterized by comprising the following steps: the rubber tree solid slow-release stimulant comprises a stimulant, a bactericide, grease and an emulsifier, and the preparation method of the rubber tree solid slow-release stimulant comprises the following steps:
s1: taking vaseline as a cut body, heating and melting the vaseline, adding an emulsifier and a moisture absorbent, and uniformly stirring and mixing the vaseline and the emulsifier in a water bath emulsifying pot at 45-60 ℃ under a vacuum state to prepare a moisture absorbent cream matrix;
s2: adding bactericide into oil, adding emulsifier and penetration enhancer, stirring at room temperature and under vacuum in emulsifying pot to obtain emulsifiable solution;
s3: stirring the cream matrix S1 and the cream oil S2 in an emulsifying pot at 45-50 ℃ under vacuum, and fully and uniformly mixing to obtain the slow-release stimulant carrier;
s4: heating and melting 90% ethephon original drug in water bath at 82-85 ℃, and diluting to prepare 5% -10% ethephon ointment mother liquor;
s5: dissolving the slow release agent carrier into a viscous state in a water bath at 50-60 ℃, adding ethephon ointment mother liquor according to the concentration and the mass ratio to prepare ethephon slow release ointments with different concentrations, uniformly stirring in vacuum, and cooling to obtain the solid slow release stimulant.
2. The method for preparing the solid slow-release stimulant for the rubber trees according to claim I, which is characterized in that: in S1, the vaseline is industrial vaseline with the content of 45-60%, the emulsifier is o pi-4 with the content of 2-4%, the moisture absorbent is glycerin with the content of 2-4%, and the stirring time is lO-30 minutes.
3. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: the bactericide in the S2 is a systemic bactericide and a non-systemic bactericide, the content of the bactericide is 4-8% and 0.5-2% respectively, the oil is one or more of vegetable oil, mineral oil, vegetable oil and mineral oil, the content of the oil is 28-38%, the content of the emulsifier is o pi-7, the content of the emulsifier is 2-4%, and the stirring time is 10-30 minutes.
4. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: and (3) in the S1, the cream matrix and the emulsifiable concentrate are uniformly stirred in an emulsifying pot at the temperature of 45-50 ℃ for 10-30 minutes.
5. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: the 90 percent ethephon raw medicine in the S4 is heated and melted in water bath at 85 ℃, and is diluted to prepare 5 to 10 percent ethephon ointment mother liquor.
6. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: s5, dissolving the sustained-release agent carrier into a viscous state in a water bath at 50-60 ℃, adding ethephon ointment mother liquor according to the concentration and the mass ratio to prepare ethephon sustained-release agents with different concentrations, stirring uniformly, and cooling to obtain solid sustained-release stimulating ointment.
7. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: in S1, the vaseline, the emulsifier and the hygroscopic agent are stirred in a water bath emulsifying pot at three-level speeds of 200-400r/min, 500-600r/min and 900-1100 r/min.
8. The method for preparing the solid slow-release stimulant for the rubber trees according to claim 1, which is characterized by comprising the following steps: the emulsifier added in S1 and S2 can also be span-80 and lacto-lark A-100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156769.7A CN114642213A (en) | 2022-02-21 | 2022-02-21 | Preparation method of rubber tree solid slow-release irritant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210156769.7A CN114642213A (en) | 2022-02-21 | 2022-02-21 | Preparation method of rubber tree solid slow-release irritant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114642213A true CN114642213A (en) | 2022-06-21 |
Family
ID=81994060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210156769.7A Pending CN114642213A (en) | 2022-02-21 | 2022-02-21 | Preparation method of rubber tree solid slow-release irritant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114642213A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498948A (en) * | 1974-10-02 | 1978-01-25 | Malaysia Rubber Res Inst | Stimulation of rubber yield from hevea brasiliensis |
| US4144046A (en) * | 1970-11-02 | 1979-03-13 | Amchem Products, Inc. | Method of stimulating the flow of latex and compositions used therein |
| CN1068242A (en) * | 1991-07-02 | 1993-01-27 | 云南省热带作物科学研究所 | A kind of preparation method of pesticide action-controlling agent |
| CN101036473A (en) * | 2007-04-24 | 2007-09-19 | 邱启泉 | Rubber nutrition stimulating production promoter |
| CN102613241A (en) * | 2012-02-28 | 2012-08-01 | 中国热带农业科学院橡胶研究所 | Preparation method of rubber tree compound irritant |
| CN109006859A (en) * | 2018-07-05 | 2018-12-18 | 上海华谊（集团）公司 | Ethephon (CEPHA),2-(chloroethyl) phosphonic acid compounds paste and its preparation method and application |
-
2022
- 2022-02-21 CN CN202210156769.7A patent/CN114642213A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4144046A (en) * | 1970-11-02 | 1979-03-13 | Amchem Products, Inc. | Method of stimulating the flow of latex and compositions used therein |
| GB1498948A (en) * | 1974-10-02 | 1978-01-25 | Malaysia Rubber Res Inst | Stimulation of rubber yield from hevea brasiliensis |
| CN1068242A (en) * | 1991-07-02 | 1993-01-27 | 云南省热带作物科学研究所 | A kind of preparation method of pesticide action-controlling agent |
| CN101036473A (en) * | 2007-04-24 | 2007-09-19 | 邱启泉 | Rubber nutrition stimulating production promoter |
| CN102613241A (en) * | 2012-02-28 | 2012-08-01 | 中国热带农业科学院橡胶研究所 | Preparation method of rubber tree compound irritant |
| CN109006859A (en) * | 2018-07-05 | 2018-12-18 | 上海华谊（集团）公司 | Ethephon (CEPHA),2-(chloroethyl) phosphonic acid compounds paste and its preparation method and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101238806B (en) | Fruit tree protection glue for preventing fruit tree disease scar and wound generated by pruning from rot | |
| CN105076132B (en) | A kind of oil type agricultural chemicals synergist and preparation method thereof | |
| DE2927224C2 (en) | ||
| CN101731242B (en) | Fruit tree wound healing protective agent and preparation method thereof | |
| CN105669313B (en) | Cotton root-promoting disease-resistant plant-strengthening agent and water, fertilizer and pesticide integrated application method | |
| EP4144207A1 (en) | Aqueous emulsion for preventing and treating huanglongbing of citrus fruit trees as well as preparation method and usage method | |
| CN102630703A (en) | Fruit tree disease and freeze preventing agent | |
| CN114642213A (en) | Preparation method of rubber tree solid slow-release irritant | |
| EP0175185B1 (en) | Process for obtaining a preservable chamomile extract rich in active ingredients | |
| CN109077060B (en) | Grape dormancy breaking agent and preparation method thereof | |
| CN110946140A (en) | Application of melatonin in increasing sugar content of sugarcane | |
| CN106234146A (en) | A kind of implantation methods of ligustrum lucidum ait | |
| CN105123343A (en) | Method for applying pollution-free insecticides for Huaiyuan pomegranate | |
| CN104604512A (en) | Cutting seedling method for zanthoxylum dissitum | |
| CN107241953A (en) | A kind of redden method of trident maple potted landscape | |
| CN111657287A (en) | Cut protecting agent for winter jujube trees and preparation method thereof | |
| DE102007013281B4 (en) | Wart | |
| EP0069995B1 (en) | Process for preparing a mixture of bee pollen having an improved resorption capacity, and a hyposensibilizing mixture of bee pollen | |
| CN114642129B (en) | Callicarpa nudiflora cutting planting method | |
| CN113016822B (en) | Medicament for preventing red dates from cracking and mildewing and preparation method and application thereof | |
| DE740614C (en) | Process for converting yeast plasmolysates into a stable dry form | |
| CN107347563A (en) | A kind of implantation methods of high yield and high quality peach | |
| CN109122685B (en) | Application of pendimethalin in seedling control of trichosanthes kirilowii maxim | |
| CN108690422B (en) | Peach tree coating and drying agent, and preparation method and application thereof | |
| JPH0249704A (en) | Production of plant growth promoter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |