CN1436461A - Plant pesticide composition for preventing and treating diseases and pests of tea tree - Google Patents
Plant pesticide composition for preventing and treating diseases and pests of tea tree Download PDFInfo
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- CN1436461A CN1436461A CN 02102285 CN02102285A CN1436461A CN 1436461 A CN1436461 A CN 1436461A CN 02102285 CN02102285 CN 02102285 CN 02102285 A CN02102285 A CN 02102285A CN 1436461 A CN1436461 A CN 1436461A
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- celastrus angulatus
- litsea cubeba
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- tea
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Abstract
The plant pesticide bactericide composition consists of Celastrusangulatus extract with dihydroagarofuran polybasic ester as effective component and Litsea cubeba oil with citral as effect component, and may be processed into emulsion through traditional process. In the emulsion, Celastrusangulatus extract with dihydroagrofuran polybasic ester as effective component accounts for 5-20 wt% and Litsea cubeba oil with citral as effect component accounts for 10-60 wt%. Compared with available technology, the composition of the present invention has obvious synergistic effect may be used to treat disease and pest simultaneously.
Description
The present invention relates to the composition formed by bactericide litsea cubeba oil and vegetable insecticide root bark of celastrus angulatus extract, belong to the technical field of agricultural insecticide bactericide.
Seriously the cause harm Tea Production of China of tea gall, anthracnose, zonate spot and tea geometrid, tea caterpillar, the black poison moth of tea, and damage by disease and insect often takes place simultaneously.In recent years, in the world China's tealeaves residue of pesticide are required more and more harshness, most of chemical pesticides are being prohibited use on the tealeaves, and biopesticide (comprising botanical pesticide) enjoys great popularity.
The fruit of a cubeb litsea tree (Litsea cubeba) is a kind of canella, and the litsea cubeba oil that extracts from its fruit has bactericidal activity, and the patent of invention of Wang Jinding (ZL 92106872.7) is only addressed fusarium wilt, verticillium wilt and the red rust algae disease that can prevent and treat crops such as cotton.According to our result of study in 2 years, find that litsea cubeba oil has good control efficiency to main disease tea gall, the anthracnose of tea tree, but invalid to simultaneous tea-plant pests.The vegetable insecticide Celastrus angulatus missible oil (ZL92113104.6) of inventions such as Wu Wenjun can be prevented and treated harm such as tea geometrid, tea caterpillar effectively, but invalid to simultaneous disease for tea plant.
The purpose of this invention is to provide a kind of insecticidal and bactericidal composition that contains litsea cubeba oil and root bark of celastrus angulatus extract, so that improve virulence, sick worm is double to be controlled.
This insecticidal and bactericidal composition of the present invention, the mass percent of its active ingredient in preparation is as follows:
The litsea cubeba oil 10～60% that contains citral
The root bark of celastrus angulatus extract 5～20% that contains the polynary ester of dihydroagarofuran
This composition of the present invention can be processed into missible oil by conventional method.
The composition (mass percent) of Celastrus angulatus fruit of a cubeb litsea tree missible oil:
The root bark of celastrus angulatus extract 5～20% that contains the polynary ester of dihydroagarofuran
The litsea cubeba oil 10～60% that contains citral
Emulsifier 8～10%
Solvent 10～77%
By embodiment, provide the manufacture method of composition of the present invention:
A. root bark of celastrus angulatus is pulverized, oven dry is transferred to extractor, adds technical benzene and carries out refluxing extraction, obtains the Celastrus angulatus extract;
B. steps A gained extract is changed in the concentration tank of band decompressor, is evaporated to and no longer includes solvent and flow out, emit liquid in the jar, be and contain active insecticidal components---the Celastrus angulatus extract of the polynary ester of dihydroagarofuran; With the fragmentation of fruit of a cubeb litsea tree fresh fruit, the extractor of packing into feeds steam distillation, treat distillate (water and litsea cubeba oil) layering after, tell litsea cubeba oil, and promptly get litsea cubeba oil through anhydrous sodium sulfate dehydration;
C. get 25g toluene, add 15g Celastrus angulatus extract, the dissolving back adds blended emulsifier 10g in 50 ℃ of water-baths, adds 50g litsea cubeba oil, is stirred to transparently, promptly gets 65% Celastrus angulatus fruit of a cubeb litsea tree pesticide-germicide missible oil.
Wherein emulsifier is formed (mass ratio): OP-10: agricultural newborn 500=4: 1
Compared with prior art, Celastrus angulatus fruit of a cubeb litsea tree missible oil of the present invention has following advantage:
1. litsea cubeba oil has significant synergistic effect to Celastrus angulatus active ingredient.Single missible oil that is processed into the root bark of celastrus angulatus extract adopts and soaks leaf and raise the worm method, record to 3 age diamond-back moth the LC50 value be 201.2mg/L, independent litsea cubeba oil does not have effect, the LC50 value of Celastrus angulatus fruit of a cubeb litsea tree missible oil is 91.0mg/L, synergy ratio is 2.21.
2. reduced spraying times.A dispenser can be controlled disease, worm harm simultaneously.
3. compare with existing Celastrus angulatus missible oil, its toluene level drops to 25% by original 70%, helps environmental protection.The indoor biometrics result
1. diamond-back moth 3 instar larvaes of raising with indoors artificial are the examination worm, and adopting the Turnip Sprouts spraying to raise the virulence equation that the worm method records Celastrus angulatus missible oil is y=4.6775+1.0795x (r=0.9980), LC
50=201.2mg/L; The virulence equation of Celastrus angulatus fruit of a cubeb litsea tree missible oil is y=5.0568+1.3608x (r=0.9803), LC
50=91.0mg/L.Synergy ratio is 2.21, and synergy is remarkable.
2. be for the examination bacterial classification with the Phytophthora capsici, the virulence equation that adopts inhibition mycelial growth rate method to record litsea cubeba oil is y=-1.087+3.913x (r=0.9961), EC
50=35.94mg/L; The virulence equation of Celastrus angulatus fruit of a cubeb litsea tree missible oil is y=0.089+3.269x (r=0.9969), EC
50=31.79mg/L illustrates the bactericidal activity not obviously influence of Celastrus angulatus to litsea cubeba oil.Field medicine effect test
Carried out field control effectiveness test on tea plantation, Ziyang, Shaanxi Province April calendar year 2001, and this moment, the tea place tea geometrid mostly was for 1～2 age greatly, and tea gall sporadicly takes place, and 1000 times of spraying controls of 65% Celastrus angulatus fruit of a cubeb litsea tree missible oil dilution are sprayed once behind the 7d again.Spray for the second time 7d behind the medicine, 3 of the control efficiency of tea geometrid are repeated average out to 96.78%, and 3 of the control efficiency of tea gall are repeated average out to 87.92%.
Claims (2)
1. vegetable source pesticide bactericidal composition, the single agent that it is characterized in that forming said composition are to be Celastrus angulatus (Celastrus angulatus) root bark extract of active ingredient and to be the fruit of a cubeb litsea tree (Litsea cubeba) oil of active ingredient with the citral with the polynary ester of dihydroagarofuran.
2. vegetable source pesticide bactericidal composition as claimed in claim 1 is characterized in that two kinds of single agent shared mass percent in mixture is:
The root bark of celastrus angulatus extract 5～20% that contains the polynary ester of dihydroagarofuran
The litsea cubeba oil 10～60% that contains citral
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021022852A CN100384333C (en) | 2002-02-05 | 2002-02-05 | Plant pesticide composition for preventing and treating diseases and pests of tea tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021022852A CN100384333C (en) | 2002-02-05 | 2002-02-05 | Plant pesticide composition for preventing and treating diseases and pests of tea tree |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1436461A true CN1436461A (en) | 2003-08-20 |
| CN100384333C CN100384333C (en) | 2008-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021022852A Expired - Fee Related CN100384333C (en) | 2002-02-05 | 2002-02-05 | Plant pesticide composition for preventing and treating diseases and pests of tea tree |
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| CN (1) | CN100384333C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283258A (en) * | 2011-07-22 | 2011-12-21 | 南宁冠华农业科技有限公司 | Plant protecting agent for plant source and preparation method thereof |
| CN103109813A (en) * | 2013-01-29 | 2013-05-22 | 河南省科高植物天然产物开发工程技术有限公司 | 4-H-Celastrus angulatus original medicine and preparation method and quality detection method thereof |
| CN105165906A (en) * | 2015-06-15 | 2015-12-23 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Tea tree non-toxic insecticide |
| CN105165908A (en) * | 2015-06-15 | 2015-12-23 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Environmental-protection insecticide for tea trees |
| CN106342944A (en) * | 2016-07-29 | 2017-01-25 | 广西素安生态农业有限公司 | Chinese herbal medicine control agent for tea diseases and preparation method thereof |
| CN106857706A (en) * | 2016-12-21 | 2017-06-20 | 新昌县奥而特农业科技有限公司 | Botanical fungicide and its production method |
| CN107019003A (en) * | 2017-06-19 | 2017-08-08 | 熊兴耀 | Application of the Litsea cubeba oil in inhibition of potato late disease bacteria |
| CN108576070A (en) * | 2018-03-02 | 2018-09-28 | 金华市胤宏农业科技有限公司 | The special pest and disease damage preparation of day lily |
| CN108617376A (en) * | 2018-03-30 | 2018-10-09 | 靖西市秀美边城农业科技有限公司 | A kind of cultural method of tea place interplanting green manure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034707C (en) * | 1992-03-30 | 1997-04-30 | 王金定 | Fourth generation vegetable germicide for agriculture |
| CN1081570A (en) * | 1992-07-27 | 1994-02-09 | 中国科学院武汉植物研究所 | Celastrus angulatus insecticidal anti-feedant |
| CN1029815C (en) * | 1992-11-19 | 1995-09-27 | 西北农业大学 | Celastrus angulatus emulsified oil as plant's pesticide and producing process thereof |
| CN1091591A (en) * | 1993-03-01 | 1994-09-07 | 汪茂田 | Contain insecticide of dihydrolagarane polyalcohol ester composition and preparation method thereof |
| CN1047503C (en) * | 1994-03-30 | 1999-12-22 | 河南省科学院化学研究所 | Emulsion oil of angulatin |
| CN1086111C (en) * | 1999-06-25 | 2002-06-12 | 西北农业大学 | Two kinds of celastrus angulatus water base insecticidal preparation |
-
2002
- 2002-02-05 CN CNB021022852A patent/CN100384333C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102283258A (en) * | 2011-07-22 | 2011-12-21 | 南宁冠华农业科技有限公司 | Plant protecting agent for plant source and preparation method thereof |
| CN103109813A (en) * | 2013-01-29 | 2013-05-22 | 河南省科高植物天然产物开发工程技术有限公司 | 4-H-Celastrus angulatus original medicine and preparation method and quality detection method thereof |
| CN103109813B (en) * | 2013-01-29 | 2014-07-30 | 河南省科高植物天然产物开发工程技术有限公司 | 4-H-Celastrus angulatus original medicine and preparation method and quality detection method thereof |
| CN105165906A (en) * | 2015-06-15 | 2015-12-23 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Tea tree non-toxic insecticide |
| CN105165908A (en) * | 2015-06-15 | 2015-12-23 | 柳州市侗天湖农业生态旅游投资有限责任公司 | Environmental-protection insecticide for tea trees |
| CN106342944A (en) * | 2016-07-29 | 2017-01-25 | 广西素安生态农业有限公司 | Chinese herbal medicine control agent for tea diseases and preparation method thereof |
| CN106857706A (en) * | 2016-12-21 | 2017-06-20 | 新昌县奥而特农业科技有限公司 | Botanical fungicide and its production method |
| CN107019003A (en) * | 2017-06-19 | 2017-08-08 | 熊兴耀 | Application of the Litsea cubeba oil in inhibition of potato late disease bacteria |
| CN108576070A (en) * | 2018-03-02 | 2018-09-28 | 金华市胤宏农业科技有限公司 | The special pest and disease damage preparation of day lily |
| CN108617376A (en) * | 2018-03-30 | 2018-10-09 | 靖西市秀美边城农业科技有限公司 | A kind of cultural method of tea place interplanting green manure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100384333C (en) | 2008-04-30 |
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