CN106376584A - Botanical insecticide used on tea leaves - Google Patents
Botanical insecticide used on tea leaves Download PDFInfo
- Publication number
- CN106376584A CN106376584A CN201610815545.7A CN201610815545A CN106376584A CN 106376584 A CN106376584 A CN 106376584A CN 201610815545 A CN201610815545 A CN 201610815545A CN 106376584 A CN106376584 A CN 106376584A
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- CN
- China
- Prior art keywords
- matrine
- celastrus angulatus
- tea
- botanical insecticide
- test
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- 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.)
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Classifications
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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
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a botanical insecticide used on tea leaves. The botanical insecticide consists of effective components of matrine and celastrus angulatus, wherein the weight ratio of the matrine to the celastrus angulatus is (1-5):(1-2). The botanical insecticide is applicable to prevention and treatment on tea lesser leafhopper in a tea leaf picking period, is capable of effectively reducing the use amount of chemical pesticides in the picking period, is capable of reducing pesticide residues and is relatively green and environment-friendly.
Description
Technical field
The present invention relates to pesticides application technical field, specifically a kind of for the plant insecticide on tealeaves.
Background technology
Tea lesser leafhopper is that tea area of China generally occurs, harmfulness is larger and the primary pest of keypoint control, wherein with vacation
The harm of eye smaller green leaf hopper is the most serious.Tealeaves mainly to prevent and treat tea lesser leafhopper with chemical agent, due to chemical pesticide at present
Toxicity is long compared with Gao Gao and the longevity of residure, if the time interval plucked from spraying to not, easily makes the residues of pesticides of harvesting tealeaves
Exceeded, human body is caused damage.It is thus desirable to a kind of medicament of comparatively safe environmental protection is used for preventing and treating tea tree during plucking tealeaves
Insect, can effectively control the harm of tea lesser leafhopper, and guarantee the tealeaves green safety environmental protection plucked.
Matrine (matrine) is through Solvent Extract methods such as ethanol by the dry root of legume kuh-seng, plant, fruit
Make, be alkaloid.Generally Banlangen, its main component has matrine, sophocarpine, N-Oxysophocarpine, Sophoridine etc.
Multiple alkaloids, with matrine, oxymatrine concentration highest.Matrine is a kind of botanical pesticide, has specificity, natural
The feature of property, its plant endogenous chemical substance active to harmful organism, composition is not single, but chemical results phase
The near multigroup and not close multigroup combination of chemical constitution, complements each other, jointly plays a role.
Celastrus angulatus belongs to the perennial liana of Celastraceae Celastrus, is distributed widely in the mound of China the Yellow River, the Yangtze river basin
Mound and mountain area.The root skin of Celastrus angulatus and stem skin, all containing multiple strength insecticidal constituents, separate from root skin or seed at present and reflect
Make dozens of noval chemical compound, from kind of oil, particularly obtain 4 crystallizations, that is, Celastrus angulatus ester I- IV, obtain from root skin 5 pure
Natural products, i.e. Celastrus angulatus I-V.The active insecticidal components of these Celastrus angulatus weight are all referred to as Celastrus angulatus
(celastrusangulatus).
At present, it is used in the preventing and treating of tea lesser leafhopper still with matrine with the Pesticidal combination as active ingredient for the Celastrus angulatus
No relevant report.
Content of the invention
The technical problem to be solved in the present invention be to provide a kind of for the plant insecticide on tealeaves, suitable tealeaves is adopted
The preventing and treating of tea lesser leafhopper during plucking, can effectively reduce the usage amount of collecting period chemical pesticide, reduce residues of pesticides, greener
Colour circle is protected.
Invention employs the following technical solutions：A kind of for the plant insecticide on tealeaves, active ingredient by matrine and
Celastrus angulatus form, and the weight of matrine and Celastrus angulatus ratio is for 1-5:1-2 is it is preferred that the weight of matrine and Celastrus angulatus
Than for 2:1.
Described plant insecticide, matrine is 0.2-1.5% in the percentage by weight of composition, and Celastrus angulatus are in group
Percentage by weight in compound is 0.2-0.5%.
The plant insecticide of the present invention, according to method known in those skilled in the art, adds corresponding adjuvant, system
Become the agriculturally acceptable formulation such as missible oil, aqueous emulsion, suspending agent.
Adjuvant required for the plant insecticide of the present invention includes solvent, emulsifying agent, wetting agent, stabilizer, froth breaking
Agent, thickener, dispersant or other are beneficial to the known substance that active ingredient is stablized in the formulation and drug effect plays, and are all agricultural chemicals
Various composition that is conventional or allowing use in formulation art.
Compared with prior art, the present invention possesses following technique effect：
(1) to tea lesser leafhopper, there is synergistic function after matrine and Celastrus angulatus rational mixture, each list can be reduced
The amount of application of agent, improves prevention effect.
(2) active ingredient of the present invention is botanical pesticide, applies in the tea picking phase, and safety and environmental protection is no chemical residual
Stay.
(3) active ingredient of the plant insecticide of the present invention is multiple chemical substance collective effect, is not easily caused harmful
Thing develops immunity to drugs, can Long-Time Service.
Specific embodiment
Below in conjunction with the indoor joint toxicity measuring test and field medicine effect test measuring biocidal activity to the present invention's
Technical scheme and technique effect are described further, and percentage of the present invention is all weight percentage.
Inventor by substantial amounts of screening test, find matrine and Celastrus angulatus in certain ratio range mixture to tea
Smaller green leaf hopper has obvious synergistic function, and its effect is not only the simple addition of two kinds of medicaments, specifically uses following life
Thing measures example and is illustrated.
First, biologicall test example
Embodiment 1：Matrine, Celastrus angulatus and its mixture are to tea tree false eye leafhopper Toxicity Determination
For trying object：Tea lesser leafhopper (Empoasca flavescens) picks up from Zhangzhou, Fujian city Nanjing County, on tea tree
Cultivation, 3 consistent age nymphs are used for testing picking.
Test medicine：5% matrine mother's medicine (Inner Mongolia Kingbo Biotech Co., Ltd.), 6% Celastrus angulatus mother's medicine
(production of Xinxiang City, Henan Province east wind chemical plant).
Test method：With reference to (banker is auspicious etc., and 2009, the drug-fast regional disparity of Fujian Province's tea lesser leafhopper) and agricultural chemicals room
Interior bioassay test criterion insecticidal n Y/T 1154.11-2008), using leaching tip method.
Co-toxicity coefficient method (CTC) using Sun Yunpei to evaluate the synergistic effect of pharmacy mix, when co-toxicity coefficient (CTC) >=
When 120, composition shows as synergistic effect；When CTC≤80, composition shows as antagonism；As 80 ＜ CTC ＜ 120,
Composition shows as summation action.
Result of the test is shown in Table 1.
Table 1 matrine, Celastrus angulatus and its mixture are to tea lesser leafhopper joint toxicity measuring table
| Reagent agent | Proportioning | LC50(mg/L) | Co-toxicity coefficient (CTC) |
| Matrine (A) | / | 1.86 | / |
| Celastrus angulatus (B) | / | 0.75 | / |
| A:B | 1:1 | 0.76 | 140.8 |
| A:B | 1:2 | 0.69 | 136.0 |
| A:B | 2:1 | 0.71 | 176.7 |
| A:B | 3:1 | 0.82 | 165.3 |
| A:B | 3:2 | 0.78 | 150.9 |
| A:B | 4:1 | 1.04 | 138.5 |
| A:B | 5:1 | 1.05 | 142.0 |
| A:B | 5:2 | 0.84 | 156.0 |
| A:B | 1:9 | 1.02 | 78.9 |
The result of table 1 co-toxicity test shows, matrine and Celastrus angulatus are in weight ratio for 1-5:Between 1-2 during mixture
Co-toxicity coefficient (CTC) to tea lesser leafhopper is all higher than 120, has synergistic effect；Weight ratio when matrine and Celastrus angulatus
For 2：When 1, co-toxicity coefficient is maximum, and Synergistic is the most obvious.
2nd, prepare embodiment
Embodiment 1：1.5% matrine Celastrus angulatus suspending agent (matrine: Celastrus angulatus=2:1)
Weigh matrine 1.0%, Celastrus angulatus 0.5%, alkyl phenol formaldehyde resin polyoxyethylene ether 1.5% (dispersion according to quantity
Agent), alkylphenol-polyethenoxy base ether phosphate 2.0%, 1.5% polyvinyl alcohol (thickener), 0.3% organic silicon defoamer, go
Ionized water complements to 100%.
Embodiment 2：2.1% matrine Celastrus angulatus suspending agent (matrine: Celastrus angulatus=5:2)
Weigh according to quantity matrine 1.5%, Celastrus angulatus 0.6%, alkylaryl polyoxyethylene polyoxypropylene ether again 2.5% (point
Powder), poly- naphthalene formaldehyde sulfonate 2.0% (wetting agent), ethylene glycol 1.5% (antifreeze), xanthans 0.5%, 0.3% organosilicon
Defoamer, deionized water complements to 100%.
The preparation method of embodiment 1-2 is：Each component is mixed in the ratio of formula, after ground and high speed shear
Obtain the Pesticidal combination containing matrine Celastrus angulatus, formulation is suspending agent.
Embodiment 3：0.7% matrine Celastrus angulatus missible oil (matrine: Celastrus angulatus=5:2)
Weigh matrine 0.5%, Celastrus angulatus 0.2%, neopelex 2.5% (dispersant), octyl group according to quantity
Phenol polyethenoxy ether 1.5% (emulsifying agent), dimethyl sulfoxide 5% (cosolvent), turpentine oil complement to 100%.
The preparation method of embodiment 3 is：By matrine and Celastrus angulatus active compound, emulsifying agent and cosolvent etc., by recipe ratio
Example sequentially adds mixing kettle, stirs, obtains final product 0.7% matrine Celastrus angulatus missible oil.
Embodiment 4：2.0% matrine Celastrus angulatus aqueous emulsion (matrine: Celastrus angulatus=3:1)
Weigh matrine 1.5%, Celastrus angulatus 0.5%, biphenyl phenol polyethenoxy ether 2.5%, dimethylbenzene 8%, ten according to quantity
Dialkyl benzene sulfonic acids calcium 5.0%, organosilicon 0.8%, water complement to 100%.
The preparation method of embodiment 4 is：By matrine and Celastrus angulatus active compound, solvent, emulsifying agent dissolving, then mix with water
Close, and the high speed shear of the high-speed stirred of reacted kettle and cutter, that is, 2.0% matrine Celastrus angulatus aqueous emulsion is obtained.
3rd, land for growing field crops test examples
Embodiment 1：Matrine and Celastrus angulatus compound the field control effectiveness test to tea lesser leafhopper
Experimental design:Test, using conventional spray-on process, makes every effort to uniformly thoughtful during spray.During dispenser, field tea lesser leafhopper is
2-3 is for occurrence in peak period.The sampling of 5 points of diagonal is pressed in every cell, every selection has tea lesser leafhopper ovum and adult before dispenser
3 plants of tea tree, the insect population of tea lesser leafhopper quantity before statistics dispenser.After medicine 3d, 7d, 15d respectively investigate residual tea little green
Leafhopper work borer population, records borer population of living, calculates prevention effect.
During test, weather is good, and daily mean temperature is 21.5-28.6 DEG C.Each process cell tealeaves life is observed during test
Long good, all find no poisoning phenomenon and occur.Result of the test such as following table：
Table 2 can be seen that with the matrine plant insecticide compounding with Celastrus angulatus to tea tree false eye leafhopper
Preventing and treating has synergistic function, and mutual mixture can reduce the amount of application of each single dose, improves prevention effect, advantageously reduces agricultural
Cost and the resistance to the action of a drug delaying insect, plant insecticide noresidue, apply more environmental protection on tealeaves.
Claims (3)
1. a kind of for the plant insecticide on tealeaves it is characterised in that active ingredient is made up of matrine and Celastrus angulatus,
The weight of matrine and Celastrus angulatus is than for 1-5:1-2.
2. plant insecticide according to claim 1 is it is characterised in that the weight of matrine and Celastrus angulatus is than for 2:
1.
3. plant insecticide according to claim 1 and 2 it is characterised in that matrine insecticide weight percent
For 0.2-1.5%, percentage by weight in insecticide for the Celastrus angulatus is 0.2-0.5% to ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815545.7A CN106376584A (en) | 2016-09-12 | 2016-09-12 | Botanical insecticide used on tea leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815545.7A CN106376584A (en) | 2016-09-12 | 2016-09-12 | Botanical insecticide used on tea leaves |
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| Publication Number | Publication Date |
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| CN106376584A true CN106376584A (en) | 2017-02-08 |
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| CN201610815545.7A Pending CN106376584A (en) | 2016-09-12 | 2016-09-12 | Botanical insecticide used on tea leaves |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973949A (en) * | 2017-04-11 | 2017-07-25 | 四川农业大学 | A kind of Pesticidal combination comprising bitter pueraria root extract and matrine and application thereof |
| CN108902161A (en) * | 2018-08-10 | 2018-11-30 | 芜湖响民生态农业有限公司 | A kind of wild cabbage compounded pesticides |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189974A (en) * | 2007-11-30 | 2008-06-04 | 张颂声 | Safety environmental protection bait agent for red imported fire ant |
| CN104430568A (en) * | 2014-10-30 | 2015-03-25 | 宁夏农林科学院 | Botanical pesticide for preventing and treating wolfberry thrips |
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2016
- 2016-09-12 CN CN201610815545.7A patent/CN106376584A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189974A (en) * | 2007-11-30 | 2008-06-04 | 张颂声 | Safety environmental protection bait agent for red imported fire ant |
| CN104430568A (en) * | 2014-10-30 | 2015-03-25 | 宁夏农林科学院 | Botanical pesticide for preventing and treating wolfberry thrips |
Non-Patent Citations (1)
| Title |
|---|
| 文兆明等: "几种植物源杀虫剂防治茶小绿叶蝉效果比较试验", 《中国农学通报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106973949A (en) * | 2017-04-11 | 2017-07-25 | 四川农业大学 | A kind of Pesticidal combination comprising bitter pueraria root extract and matrine and application thereof |
| CN106973949B (en) * | 2017-04-11 | 2019-06-11 | 四川农业大学 | A kind of Pesticidal combination and application thereof comprising bitter pueraria root extract and matrine |
| CN108902161A (en) * | 2018-08-10 | 2018-11-30 | 芜湖响民生态农业有限公司 | A kind of wild cabbage compounded pesticides |
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Application publication date: 20170208 |
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