CN103891716A - Codling moth pheromone microcapsule embedding technology - Google Patents
Codling moth pheromone microcapsule embedding technology Download PDFInfo
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- CN103891716A CN103891716A CN201310214104.8A CN201310214104A CN103891716A CN 103891716 A CN103891716 A CN 103891716A CN 201310214104 A CN201310214104 A CN 201310214104A CN 103891716 A CN103891716 A CN 103891716A
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- sex pheromone
- carpocapsa pomonella
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Abstract
The invention discloses a codling moth pheromone microcapsule embedding technology. Arabic gum, maltodextrin and starch sodium octenylsuccinate serve as a microcapsule wall material; the composite wall material comprises the raw materials in parts by weight: 1-2 parts of Arabic gum, 2-3 parts of maltodextrin and 3-5 parts of starch sodium octenylsuccinate; the proportion of codling moth pheromone serving as a core material to the wall material is (1:10)-(1:30); tween 20 and tween 80 form a composite emulsifying agent according to the ratio of (1:1)-(1:2); the ratio of the emulsifying agent to the core material is (1:5)-(1:10); the high-pressure homogenization pressure is 10-20Mpa; the microcapsule spray drying conditions are that the air inlet amount is 500-900L/h, the material feeding speed is 180-540mL/h, and the air inlet temperature is 130-170 DEG C.
Description
Technical field
The present invention relates to the microcapsule embedded technology of a kind of sex pheromone of carpocapsa pomonella field, adopt microcapsule embedded sex pheromone, reach and extend sex pheromone of carpocapsa pomonella effective drug duration, strengthen the object that codling moth mating is disturbed.
Background technology
Codling moth is a kind of primary pest of harm apple, the most serious a kind of fruit tree pest insect in the autonomous region of Ye Shi Xinjiang.In recent years, codling moth has become the normal property the sent out important pests in many fruits district of China, serious harm fruit tree, and Disaster Area is increasing, has the trend increasing the weight of year by year.
Main dependence chemical pesticide control codling moth at present, but because this worm has the moth of boring habit, once larva eats into into the tender tip or fruit, chemical pesticide just can not play good effect.This has increased the difficulty of control codling moth undoubtedly.
Both at home and abroad the research of insect sex pheromone and application are all taken much count of, extensive use is to utilize insect sex pheromone to disturb mating to carry out large-area control of insect the most.Be usually used at present disturbing the formulation of mating control to have hollow fibre, plastic sandwich, natural rubber core and microcapsules etc.Wherein microcapsules are comparatively desirable formulations, because insect sex pheromone microcapsule preparation process is easy, isolated illumination, air and moisture, reduced the oxidized speed with decomposing of active component, can control constant release and keep longer action time; Simultaneity pheromones microcapsules can adopt traditional spraying equipment to use, and have reduced artificial input and have increased the flexibility that regulates and controls delivery rate and number of times.
Therefore, the microcapsule embedded technique of exploration non-environmental pollution control sex pheromone of carpocapsa pomonella is imperative.
Summary of the invention
The invention reside in and cause the problems such as pest resistance to insecticide, killed natural enemies and environmental pollution for chemical pesticide control codling moth, provide a kind of preparation technology easy, extend effective drug duration, implement convenient, selectivity is strong, pollution-free and do not injure the microcapsule embedded technique of sex pheromone of natural enemy.
The technical scheme of the microcapsule embedded process using of a kind of sex pheromone of carpocapsa pomonella of the present invention is: using gum Arabic, maltodextrin, starch sodium octenyl succinate as microcapsule wall material, polysorbas20, Tween 80 are compound emulsifying agent, homogenization pressure 10～20Mpa.Microcapsules spraying drying condition is: intake 500～900L/h, charging rate 180～540mL/h, EAT: 130～170 ℃.
Compound wall materials ratio is:
3～5 parts of 2～3 parts of starch sodium octenyl succinate of 1～2 portion of maltodextrin of gum Arabic
Core and wall material ratio:
Sex pheromone of carpocapsa pomonella: wall material=1: 10～1: 30,
Compound emulsifying agent polysorbas20, Tween 80 ratio:
Polysorbas20: Tween 80=1: 1～1: 2
Emulsifier and core ratio:
Compound emulsifying agent: core=1: 5～1: 10
The microcapsule embedded technique of a kind of sex pheromone of carpocapsa pomonella of the present invention, the embedding rate of microcapsules emulsion is 96.3%, powder embedding rate 93.2%, raw materials recovery rate 82%, averag density is 439.5mg/cm3, and average moisture content is 1.25%, and average moisture absorption is 5.90%.The sample that microscapsule powder core and wall material ratio are 1: 10 has discharged respectively 39.4%, 46.3%, 40.9% of total amount 28 ℃, 50 ℃ and field temperature at 30d.Under equal conditions, 8.5% the former medicine that does not use any embedding process has volatilized 94.94% in 9 days, the present invention compared with not used the sex pheromone of microcapsule embedded technique obviously extended the effective drug duration of property information,
The microcapsule embedded technique of a kind of sex pheromone of carpocapsa pomonella of the present invention, preparation technology is easy, wall material is easily obtained and is nontoxic, effectively kill codling moth, there is thing pesticide resistance, the feature such as single-minded, efficient, free from environmental pollution, reduce the rate of release of sex pheromone of carpocapsa pomonella, extended the sex pheromone of carpocapsa pomonella drug effect lasting period.
Embodiment
The present invention is described in detail in conjunction with the embodiments.
Embodiment mono-
Preparation: be at 25～35 ℃ in temperature, add 1 part of gum arabic powder in gum arabic powder and 1: 100 ratio of pure water, with magnetic stirrer dissolving extremely completely; Leave standstill and be cooled to normal temperature, add each 0.05 part of polysorbas20 and Tween 80, after stirring, add 1 part of sex pheromone of carpocapsa pomonella; Homogeneous 30min under 20Mpa, adds 3 parts of maltodextrins, 5 parts of starch sodium octenyl succinate, homogeneous to emulsion surface without grease; Add 0.1 part of silica; By the microcapsule emulsion being prepared into, be 700L/h at intake, charging rate is 360mL/h, EAT is under the condition of 170 ℃, to spray dryly, obtains sex pheromone of carpocapsa pomonella microscapsule powder.
Use: sex pheromone of carpocapsa pomonella microcapsules are placed on the codling moths such as the orchard place working the mischief of often haunting in conjunction with insect-sticking plate.
Attractant effect: we test in Korla City A orchard, Xinjiang, 5 insect-sticking plates with codling moth microcapsules are placed on every mu of ground, put one every 50 meters, and after 30 days, each insect-sticking plate is on average lured 14 of codling moths.
Embodiment bis-
Preparation: be at 25～35 ℃ in temperature, add 1 part of gum arabic powder in gum arabic powder and 1: 100 ratio of pure water, with magnetic stirrer dissolving extremely completely; Leave standstill and be cooled to normal temperature, add each 0.05 part of polysorbas20 and Tween 80, after stirring, add 1 part of sex pheromone of carpocapsa pomonella; Homogeneous 30min under 20Mpa, adds 2 parts of maltodextrins, 5 parts of starch sodium octenyl succinate, homogeneous to emulsion surface without grease; Add 0.1 part of silica; By the microcapsule emulsion being prepared into, be 700L/h at intake, charging rate is 360mL/h, EAT is under the condition of 170 ℃, to spray dryly, obtains sex pheromone of carpocapsa pomonella microscapsule powder.
Use: sex pheromone of carpocapsa pomonella microcapsules are placed on the codling moths such as the orchard place working the mischief of often haunting in conjunction with insect-sticking plate.
Attractant effect: we test in Korla City B orchard, Xinjiang, 5 insect-sticking plates with codling moth microcapsules are placed on every mu of ground, put one every 50 meters, and after 30 days, each insect-sticking plate is on average lured 17 of codling moths.
Embodiment tri-
Preparation: be at 25～35 ℃ in temperature, add 1 part of gum arabic powder in gum arabic powder and 1: 100 ratio of pure water, with magnetic stirrer dissolving extremely completely; Leave standstill and be cooled to normal temperature, add each 0.05 part of polysorbas20 and Tween 80, after stirring, add 1 part of sex pheromone of carpocapsa pomonella; Homogeneous 30min under 20Mpa, adds 3 parts of maltodextrins, 4 parts of starch sodium octenyl succinate, homogeneous to emulsion surface without grease; Add 0.1 part of silica; By the microcapsule emulsion being prepared into, be 700L/h at intake, charging rate is 360mL/h, EAT is under the condition of 170 ℃, to spray dryly, obtains sex pheromone of carpocapsa pomonella microscapsule powder.
Use: sex pheromone of carpocapsa pomonella microcapsules are placed on the codling moths such as the orchard place working the mischief of often haunting in conjunction with insect-sticking plate.
Attractant effect: we test in Korla City C orchard, Xinjiang, 5 insect-sticking plates with codling moth microcapsules are placed on every mu of ground, put one every 50 meters, and after 30 days, each insect-sticking plate is on average lured 19 of codling moths.
Embodiment tetra-
Preparation: be at 25～35 ℃ in temperature, add 1 part of gum arabic powder in gum arabic powder and 1: 100 ratio of pure water, with magnetic stirrer dissolving extremely completely; Leave standstill and be cooled to normal temperature, add each 0.05 part of polysorbas20 and Tween 80, after stirring, add 1 part of sex pheromone of carpocapsa pomonella; Homogeneous 30min under 20Mpa, adds 3 parts of maltodextrins, 3 parts of starch sodium octenyl succinate, homogeneous to emulsion surface without grease; Add 0.1 part of silica; By the microcapsule emulsion being prepared into, be 700L/h at intake, charging rate is 360mL/h, EAT is under the condition of 170 ℃, to spray dryly, obtains sex pheromone of carpocapsa pomonella microscapsule powder.
Use: sex pheromone of carpocapsa pomonella microcapsules are placed on the codling moths such as the orchard place working the mischief of often haunting in conjunction with insect-sticking plate.
Attractant effect: we test in Korla City D orchard, Xinjiang, 5 insect-sticking plates with codling moth microcapsules are placed on every mu of ground, put one every 50 meters, and after 30 days, each insect-sticking plate is on average lured 22 of codling moths.
Product of the present invention coordinates insect-sticking plate to use simultaneously, and in the middle of sex pheromone of carpocapsa pomonella microcapsules are placed on, codling moth is lured into by strong tack haftplatte and sticks and fly not go out, and is died of hunger gradually or yearningly dead, finally changes unified processing.
The invention has the beneficial effects as follows: allure is strong, long service life, can not produce resistance, nontoxic non-stimulated smell, to person poultry safety, wideless to environment, simple in structure, low production cost, the scope of application, can reach good prevention and control efficiency, can effectively reduce control codling moth cost, meet environmental protection, the bionomic control theory of integrated pest management control.
Can also derive kinds of schemes according to the present invention, still, each scheme is all within the application's claim protection domain.
Claims (4)
1. the microcapsule embedded technique of sex pheromone of carpocapsa pomonella, using 3～5 parts of 1～2 part of gum Arabics, 2～3 parts of maltodextrins, starch sodium octenyl succinate as mixing wall material, sex pheromone of carpocapsa pomonella is core, core and wall material ratio are 1: 10～1: 30, polysorbas20,80 is for mixing compound emulsifying agent 1: 1～1: 2, compound emulsifying agent: core is 1: 5～1: 10, use high-pressure homogeneous instrument homogeneous, homogenization pressure is 10～30Mpa, homogenizing time 20～50min, the microcapsule emulsion making is sprayed to be dried and is obtained microscapsule powder.
2. the embedding process of sex pheromone of carpocapsa pomonella microcapsules according to claim 1, is characterized in that: microcapsules spraying drying condition is: intake 500～900L/h, charging rate 180～540mL/h, EAT: 130～170 ℃.
3. the embedding process of sex pheromone of carpocapsa pomonella microcapsules according to claim 1, is characterized in that: in order to increase the mobility of microscapsule powder, the microcapsule emulsion being prepared into adds 0.1～0.2 part of silica before spraying is dry.
4. the embedding process of sex pheromone of carpocapsa pomonella microcapsules according to claim 1, is characterized in that, its preparation comprises step:
A, take gum arabic powder 2g and put into 250ml beaker, add the pure water of 100ml, solution temperature is 25～35 ℃, in magnetic stirrer to dissolving completely;
B, standing cooling, adds 0.45g polysorbas20, and 0.45g Tween 80, adds 1.8g sex pheromone after stirring, stir;
C, under 20Mpa homogeneous 30min, add maltodextrin 6g, starch sodium octenyl succinate 10g, homogeneous 30min under 20Mpa, adds 82ml pure water, adds 0.2g silica, the microcapsule emulsion being prepared into;
D, the microcapsule emulsion being prepared into, be 700L/h at intake, and charging rate is 360mL/h, EAT be under the condition of 170 ℃, spray dry, sex pheromone of carpocapsa pomonella microscapsule powder.
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| CN201310214104.8A CN103891716A (en) | 2013-05-30 | 2013-05-30 | Codling moth pheromone microcapsule embedding technology |
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| CN201310214104.8A CN103891716A (en) | 2013-05-30 | 2013-05-30 | Codling moth pheromone microcapsule embedding technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107047556A (en) * | 2016-11-22 | 2017-08-18 | 华南农业大学 | A kind of microcapsule embedded technique of sex pheromone of Grapholitha molesta |
| CN107047555A (en) * | 2016-11-22 | 2017-08-18 | 华南农业大学 | A kind of microcapsule embedded method of sex pheromone of carpocapsa pomonella |
| CN107114365A (en) * | 2016-09-27 | 2017-09-01 | 华南农业大学 | A kind of liposome embedded method of sex pheromone of Grapholitha molesta |
| CN109122681A (en) * | 2018-09-17 | 2019-01-04 | 中国农业科学院烟草研究所 | A kind of salicylic acid capsule of nano sustained release agent preparation method of anti-tobacco bacteriosis |
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| WO2011156048A1 (en) * | 2010-06-07 | 2011-12-15 | Dow Agrosciences Llc | Microcapsule suspensions including high levels of agriculturally active ingredients |
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| CN101519624A (en) * | 2009-01-20 | 2009-09-02 | 华南农业大学 | Cinnamon essential oil microcapsule and preparation method thereof |
| WO2011156048A1 (en) * | 2010-06-07 | 2011-12-15 | Dow Agrosciences Llc | Microcapsule suspensions including high levels of agriculturally active ingredients |
Non-Patent Citations (3)
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| XIANGZHENG KONG 等: "Spreadable dispersion of insect sex pheromone capsules, preparation via complex coacervation and release control of the encapsulated pheromone component molecule", 《BIOMEDICAL MICRODEVICES》, vol. 11, no. 1, 28 February 2009 (2009-02-28), pages 275 - 285, XP019670969 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107114365A (en) * | 2016-09-27 | 2017-09-01 | 华南农业大学 | A kind of liposome embedded method of sex pheromone of Grapholitha molesta |
| CN107047556A (en) * | 2016-11-22 | 2017-08-18 | 华南农业大学 | A kind of microcapsule embedded technique of sex pheromone of Grapholitha molesta |
| CN107047555A (en) * | 2016-11-22 | 2017-08-18 | 华南农业大学 | A kind of microcapsule embedded method of sex pheromone of carpocapsa pomonella |
| CN109122681A (en) * | 2018-09-17 | 2019-01-04 | 中国农业科学院烟草研究所 | A kind of salicylic acid capsule of nano sustained release agent preparation method of anti-tobacco bacteriosis |
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Application publication date: 20140702 |