CN104094930A - Aphid behavior regulating and controlling sustained-release agent and preparation method thereof - Google Patents
Aphid behavior regulating and controlling sustained-release agent and preparation method thereof Download PDFInfo
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- CN104094930A CN104094930A CN201410353672.0A CN201410353672A CN104094930A CN 104094930 A CN104094930 A CN 104094930A CN 201410353672 A CN201410353672 A CN 201410353672A CN 104094930 A CN104094930 A CN 104094930A
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- release agent
- aphid
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- gaultherolin
- sodium alginate
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Abstract
The invention relates to a pest control medicament, in particular to an aphid behavior regulating and controlling sustained-release agent. The sustained-release agent is prepared through adopting the following raw materials in proportion: 2.5 to 12 mL of methyl salicylate, 0.3 g of sodium alginate, 4.5 mL of sunflower seed oil, and 0.2 mL of Vitamin E. The preparation method of the sustained-release agent comprises the steps as follows: firstly, preparing a sodium alginate solution, the sunflower seed oil, the Vitamin E and the methyl salicylate into an emulsion by using a high-speed disperser; secondly, dripping the emulsion into a calcium chloride solution via a peristaltic pump, and filtering, so as to prepare the aphid behavior regulating and controlling sustained-release agent. According to the invention, the sustained-release agent is high in biological activity, strong in specificity, and long in lasting period, can prevent an aphid from generating drug resistance and antibiotic resistance, can attract natural enemies such as ladybirds, does not pollute the environment, reduces the pesticide usage amount, has no pesticide residuals in an agricultural product, and is simple and convenient for use, and low in prevention and control cost.
Description
Technical field
The present invention relates to a kind of control of insect medicament, be specially aphid behavior regulation and control sustained release agent and preparation method thereof.
Background technology
The prophylactico-therapeutic measures that is directed at present aphid is mainly sprayed insecticide, due to a large amount of uses of chemical pesticide, aphid has obtained containment in various degree, but also bring the drug-fast generation of many negative effects, especially aphid, chemical pesticide kill and wound and the negative effect of ecology, production and people's lives has been caused to global extensive concern non-target organism simultaneously.Therefore, develop new technology that aphid behavior regulating compound carries out biological control and be day by day subject to agricultural science worker's attention.
Summary of the invention
For above-mentioned technical problem, the present invention chooses a kind of aphid behavior regulating compound, preparation aphid behavior regulation and control sustained release agent, not only walk quickly and keep away aphid, and can lure the natural enemy of aphid to control aphid, environment and human health are not affected, overcome and use the series of malpractice that chemical pesticide brings, concrete technical scheme is:
Aphid behavior regulation and control sustained release agent, raw material is gaultherolin, sodium alginate, sunflower oil, vitamin E, formulated according to following ratio: 2.5～12mL: 0.3g: 4.5mL: 0.2mL.
Preparation method comprises the following steps:
Getting sodium alginate is dissolved in deionized water, making concentration is the sodium alginate soln 20mL of 0.015g/mL, add sunflower oil 4.5mL, vitamin E 0.2mL is as antioxidant, and add gaultherolin, with high speed disperser with under the rotating speed of 24000r/min through 20s, make thin and uniform emulsion;
Emulsion is splashed into the calcium chloride solution under 600r/min rotational speed through peristaltic pump, after 2h, filter, make sustained release agent.
The using method of this aphid behavior regulation and control sustained release agent: short plant can directly be spread fertilizer over the fields; This sustained release agent of the desirable 10g of higher plant is evenly positioned in flat plate, and square position and plant height maintain an equal level.Discharge between square position more than spacing 20m.Can change 1 time every 15-20 days.The lower sustained release agent of recommendation gaultherolin content within the scope of 5m, the addition of for example 2.5mL, for example, in the higher sustained release agent of 10m scope recommendation gaultherolin content, the addition of 10mL.
By affecting migrating and surely growing of alatae, and impel the alatae discharging in district to become wingless aphid, reduce the population quantity of field aphid; The multiple Dominant Natural Enemies of the aphid such as coccinella septempunctata and harmonia axyridia is had to sucking action, also can reduce the population quantity of aphid.Therefore, there is important function to controlling field aphid damage.
Gaultherolin claims again Methyl Salicylate, Chinese ilex wet goods.Natural product are present in oil of wintergreen, Chinese ilex wet goods essential oil and the fruit juice of cherry, apple, strawberry in.Water insoluble, be dissolved in the general organic solvents such as ethanol, ether, glacial acetic acid.Can be used in daily chemical essence formula, mainly in order to allocate the flavor essences such as Yilan, Yilan, tuberose, Acacia.For the artificial flavour that can be used for not being detrimental to health in food.
Sodium alginate, a kind of natural polysaccharide, has the required stability of pharmaceutical preparation auxiliary material, dissolubility, viscosity and safety.It has concentrated solution, forms the ability of gel and film forming.
Vitamin E is antioxidant.
Sunflower oil chief component is the triglyceride of linoleic plus oleic acid.Be to be obtained through squeezing or leaching by polly seed nucleole, can do coating agent, emulsifier, shaping assistant, texturizers etc.
This aphid behavior regulation and control sustained release agent, biologically active is high, and selectivity is strong, and the lasting period is long; Aphid does not develop immunity to drugs and drug resistance; Can attract as the natural enemy of Siphonophora; Environmentally safe; Reduce agricultural chemicals usage amount, non agricultural chemical residuum in agricultural product; Easy to use, cost accounting is low.
Embodiment
In conjunction with implementation specific embodiment of the invention method.
Get solid sodium alginate and be dissolved in deionized water, make the sodium alginate soln that concentration is 0.015g/mL.
Get 2 parts of 20mL sodium alginate solns, add sunflower oil 4.5mL, vitamin E 0.2mL is as antioxidant, and adds respectively the gaultherolin of 2.5mL, 10mL, with high speed disperser with under the rotating speed of 24000r/min through 20s, make thin and uniform emulsion.
Emulsion splashes into the calcium chloride solution under 600r/min rotational speed through peristaltic pump, after 2h, filters, and makes sustained release agent.
Experimental scheme:
Ear to the pustulation period at wheat, selected every experimental plot area is 10m × 10m (100m
2), the spacing 20m between community, selected 3 communities, first community is contrast district, does not use sustained release agent, and the second community is used the sustained release agent that adds 2.5mL gaultherolin to make, and San community is used the sustained release agent that adds 10mL gaultherolin to make.
10g sustained release agent is placed respectively at 0m place in the second community, San community, and sustained-release microspheres is positioned in flat plate, and square position and wheat height maintain an equal level.Each test repeats 3 times.
Investigation method: investigation discharges the ecological Efficiency to little English grain aphid and ladybug after 1 week and 2 weeks.1m, 5m and the 10m place of Ge community respectively, investigates hundred strain English grain aphid amounts and ladybug amount, mainly comprises adult, pupa and the larva of coccinella septempunctata and harmonia axyridia.
Result shows through SPSS16.0 statistical analysis: discharge after 1 week, no matter be that the second community He tri-communities are at 1m or 5m place, avoidance effect to English grain aphid and contrast ratio significant difference, and at 10m place, only have the sustained release agent of San community remarkable to the avoidance effect of English grain aphid.The sustained release agent of Er tri-communities, compares and walks quickly and keeps away effect there was no significant difference between distance.This result shows, gaultherolin consumption is that 2.5mL sustained release agent discharges English grain aphid is had to avoidance effect within the scope of 5m; Within the scope of 10m, still have avoidance effect and gaultherolin consumption is 10mL sustained release agent, the results are shown in Table 1.
Table 1 gaultherolin sustained-release microspheres discharges the variation (mean ± standard deviation) of English grain aphid hundred strain aphid amounts after 1 week
Note: capitalization is different represents that horizontal data are than significant difference (P < 0.05); Lowercase is different represents that longitudinal data is than significant difference (P < 0.05).
This gaultherolin sustained-release microspheres discharged after 2 weeks, in table 2, although contrast hundred strain aphid amounts have risen to 1500 left and right, no matter was the second San community, community, and at 1m, 5m and 10m place, Aphed population obviously reduces, with contrast district significant difference; Between different distance, difference is not remarkable.Main cause is that gaultherolin can sustained release, performance ecological Efficiency, and impel the formation of alatae, the test region of moving out; Because gaultherolin discharges the attracting action to Siphonophora natural enemy of aphid, the usefulness of natural enemy control aphid is improved greatly on the other hand, also make aphid amount be controlled at reduced levels, in table 3, table 4.
Table 2 gaultherolin sustained-release microspheres discharges the variation (mean ± standard deviation) of English grain aphid hundred strain aphid amounts after 2 weeks
Note: capitalization is different represents that horizontal data are than significant difference (P < 0.05); Lowercase is different represents that longitudinal data is than significant difference (P < 0.05).
Table 3 gaultherolin sustained-release microspheres discharges the variation (mean ± standard deviation) of hundred strain ladybug amounts after 1 week
Note: capitalization is different represents that horizontal data are than significant difference (P < 0.05); Lowercase is different represents that longitudinal data is than significant difference (P < 0.05).
Table 4 gaultherolin sustained-release microspheres discharges the variation (mean ± standard deviation) of hundred strain ladybug amounts after 2 weeks
Note: capitalization is different represents that horizontal data are than significant difference (P < 0.05); Lowercase is different represents that longitudinal data is than significant difference (P < 0.05).
Discharge the impact on English grain aphid population quantity from salicylic acid sustained-release microspheres, gaultherolin consumption is that 2.5mL sustained release agent discharges English grain aphid is had to avoidance effect within the scope of 5m; And gaultherolin consumption 10mL sustained release agent has avoidance effect within the scope of 10m; Rear 2 kinds of different releases in 2 weeks are processed consistent on the impact of English grain aphid population quantity.
Investigation to Siphonophora natural enemy shows, discharges after 1 week at sustained-release microspheres, and no matter be that gaultherolin consumption 2.5mL or 10mL discharge district, at 1m, 5m and 10m place, ladybug quantity obviously increases, with contrast district significant difference; And discharge district at gaultherolin consumption 2.5mL, at 1m and 5m place, ladybug amount is significantly higher than 10m place.Gaultherolin consumption 10mL release district is significantly higher than the ladybug amount at gaultherolin consumption 2.5mL release 10m place of district in 10m place ladybug amount.
Discharge after 2 weeks, increase with aphid nature quantity, ladybug quantity also significantly raises.And gaultherolin sustained-release microspheres discharges district no matter in 1m, 5m or 10m release place, ladybug amount is apparently higher than contrast district, and with contrast district significant difference.The release there was no significant difference of 2 kinds of various dose.
Discharge the impact on ladybug population quantity from gaultherolin sustained-release microspheres, after 1 week, 10mL discharges to process and is significantly higher than the ladybug amount of gaultherolin consumption 2.5mL at 10m place in the ladybug amount at 10m place, and other is without significant difference; Rear 2 kinds of different releases in 2 weeks are processed consistent on the impact of ladybug population quantity.
Claims (2)
1. aphid behavior regulation and control sustained release agent, is characterized in that: raw material is gaultherolin, sodium alginate, sunflower oil, vitamin E, formulated according to following ratio: 2.5～12mL: 0.3g: 4.5mL: 0.2mL.
2. aphid behavior regulation and control sustained release agent according to claim 1, is characterized in that: preparation method comprises the following steps:
Get sodium alginate and be dissolved in deionized water, make sodium alginate soln, add sunflower oil, vitamin E and gaultherolin, make emulsion with high speed disperser;
Emulsion is splashed into calcium chloride solution through peristaltic pump, filter, make aphid behavior regulation and control sustained release agent.
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| CN201410353672.0A CN104094930A (en) | 2014-07-23 | 2014-07-23 | Aphid behavior regulating and controlling sustained-release agent and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561359A (en) * | 2016-11-19 | 2017-04-19 | 福建省农业科学院植物保护研究所 | Method for combined prevention and treatment of aphis pests by using pheromone complex and ladybugs |
| CN108812669A (en) * | 2018-06-19 | 2018-11-16 | 西南大学 | A kind of multilayer package carried medicine sustained-release hydrogel and preparation method thereof |
| CN115633685A (en) * | 2022-09-23 | 2023-01-24 | 中国农业科学院深圳农业基因组研究所 | Antifeedant composition and application thereof in aphid prevention and treatment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59223201A (en) * | 1983-06-02 | 1984-12-15 | Hakugen:Kk | Gelled product of chlorine dioxide and its manufacture |
| US20060051389A1 (en) * | 1998-12-03 | 2006-03-09 | Ben Gurion University Of The Negev, Research And Development Authority | Sustained release polymer-based water insoluble beads |
-
2014
- 2014-07-23 CN CN201410353672.0A patent/CN104094930A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59223201A (en) * | 1983-06-02 | 1984-12-15 | Hakugen:Kk | Gelled product of chlorine dioxide and its manufacture |
| US20060051389A1 (en) * | 1998-12-03 | 2006-03-09 | Ben Gurion University Of The Negev, Research And Development Authority | Sustained release polymer-based water insoluble beads |
Non-Patent Citations (1)
| Title |
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| 董洁 等: "间作与施用水杨酸甲酯对麦长管蚜及其主要天敌空间分布的影响", 《应用生态学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561359A (en) * | 2016-11-19 | 2017-04-19 | 福建省农业科学院植物保护研究所 | Method for combined prevention and treatment of aphis pests by using pheromone complex and ladybugs |
| CN108812669A (en) * | 2018-06-19 | 2018-11-16 | 西南大学 | A kind of multilayer package carried medicine sustained-release hydrogel and preparation method thereof |
| CN115633685A (en) * | 2022-09-23 | 2023-01-24 | 中国农业科学院深圳农业基因组研究所 | Antifeedant composition and application thereof in aphid prevention and treatment |
| CN115633685B (en) * | 2022-09-23 | 2023-11-07 | 中国农业科学院深圳农业基因组研究所 | Antifeedant composition and application thereof in aphid control |
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