CN103828805A - Rice stem borer repellent and preparation method thereof - Google Patents
Rice stem borer repellent and preparation method thereof Download PDFInfo
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- CN103828805A CN103828805A CN201410046554.5A CN201410046554A CN103828805A CN 103828805 A CN103828805 A CN 103828805A CN 201410046554 A CN201410046554 A CN 201410046554A CN 103828805 A CN103828805 A CN 103828805A
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Abstract
The invention discloses a rice stem borer repellent, a preparation method and application thereof. The repellent comprises the following components by weight: 10-30% of cedrol, 0.5-10% of ocimene, 0.3-10% of alpha-pinene, 2-8% of methyl cinnamate, and the balance water and an assistant. With sustained release substances having special smell, the repellent provided by the invention can generate a repelling effect on adult female oviposition of rice stem borers (Chilo suppressalis and Sesamia inferens), thereby reducing the damage and population number of rice stem borers. With the characteristics of low cost, high efficiency, environmental friendliness, safety to animals and human, etc., the rice stem borer repellent provided by the invention has broad industrialization prospects and simple preparation method, is especially suitable for use in pollution-free production of rice, and has broad economic, social and ecological benefits.
Description
Technical field
The present invention relates to a kind of insect repellent, be specially a kind of Insect Pests in Rice snout moth's larva of rice adult repellant and preparation method thereof.
Background technology
The snout moth's larva of rice, comprises striped rice borer
chilo suppressalisand pink rice borer
sesamia inferens, be the important pests of China paddy rice.Striped rice borer belongs to Lepidoptera Pyralidae Pyralidae, and pink rice borer belongs to Lepidoptera Noctuidae Noctuidae, extensively distributes in temperate zone, Asia, subtropics, and host plant comprises paddy rice, corn, sugarcane, grain, broad bean, wild rice stem, Chinese sorghum, wheat etc.In recent years, along with change, the climate warming of China's cropping system and rice varieties, the living environment of striped rice borer is greatly improved, and population quantity significantly rises.Become the Severe pests of another serious threat national economy after the eighties rice fulgorid, nineties cotton bollworm taking striped rice borer as the main snout moth's larva of rice.
The snout moth's larva of rice is with larva moth food Culm of Rice, and paddy rice was injured and causes withered heart seedling and withered sheath in tillering stage; Are injured at booting stage, heading stage withered booting and dead ears; Pustulation period, milk ripe stage, be injured and cause half withered fringe and insect bite strain, and blighted grain increases, and meets and blow hard easily to fall folding, causes paddy quality and production declining.
For a long time, chemical control is the topmost means of prevention of the snout moth's larva of rice always, the medication frequency is high, dosage is large, irrational medication has killed and wounded natural enemy in large quantities, heavy damage agricultural ecological balance, make insect lose natural control, form vicious circle, the final pest resistance to insecticide that causes, has also caused serious Pesticide Residue.Especially prevent and treat striped rice borer, maximum in rice earing stage medication, very easily cause paddy residue of pesticide to exceed standard in (malicious paddy and malicious rice), cause serious environmental pollution and food-safety problem.
Therefore need a kind of high effect nontoxic Sustainable Treatment technology badly, and utilize repellant drive snout moth's larva in rice strain, do not lay eggs (or reduce in rice strain output) be the new method of a kind of more satisfactory and simple and effective control snout moth's larva of rice.Also do not find at present the repellant of efficiently laying eggs for the snout moth's larva of rice specially.
Summary of the invention
The object of the invention is to the deficiency for existing control snout moth's larva of rice technology and product existence, a kind of snout moth's larva of rice repellant compositions is provided, snout moth's larva of rice adult is moved out of rice field because of olfactory nerves irriate, on paddy rice, does not lay eggs.
A further object of the present invention is to provide and adopts the microemulsion that makes of described snout moth's larva of rice repellant compositions, granule and preparation method thereof.
The present invention further object is to provide the application method of described snout moth's larva of rice repellant.
The technical solution adopted for the present invention to solve the technical problems is:
On the one hand, the invention provides the combination of the compound of a kind of repellent snout moth's larva of rice adult, composition comprises: cedrol, ocimene, australene and methyl cinnamate.
Preferably, a kind of snout moth's larva of rice provided by the invention repellant of laying eggs, comprises the following component in total weight percent: cedrol 3-50%, ocimene 0.1-30%, australene 0.01-30%, methyl cinnamate 0.5-20%;
Further, described snout moth's larva of rice repellant comprises the component of following weight proportioning: cedrol 10-40%, ocimene 0.5-20%, australene 0.1-15%, methyl cinnamate 0.5-10%.
Further, described snout moth's larva of rice repellant comprises the component of following weight proportioning: cedrol 10-30%, ocimene 0.5-10%, australene 0.3-10%, methyl cinnamate 2.0-8%.
On the other hand, snout moth's larva of rice repellant, can be made into various formulation of the prior art, such as aqueous emulsion, microemulsion, missible oil, granule or paste etc.
Through lot of experiment validation, in the time that dosage form selection is microemulsion and granule, it is best that its repellent effect reaches.
In the time making microemulsion, in total weight percent, auxiliary agent is made up of following component: antioxidant is selected from 2,6-BHT, ascorbic acid one or both 0.03-0.5% in receiving, neopelex 2-3%, glycerine 3-5%, Sodium Benzoate 0.3-0.5%, guar gum 0.2-0.5%, emulsifier 10-12%.
On the other hand, the invention provides the preparation method of snout moth's larva of rice repellent microemulsion, step is as follows:
(1), compound combination is provided, composition comprises: cedrol, ocimene, australene and methyl cinnamate;
(2), by active ingredient mix and blend, heating for dissolving, make oil phase;
(3), by water, auxiliary agent mixing and stirring;
(4), (2) are slowly added in (3), stir emulsification pretreatment, sampling, inspection, to obtain final product.
In the time of granulation agent, in total weight percent, auxiliary agent is grouped into by following one-tenth: antioxidant is selected from 2,6-BHT, ascorbic acid one or both 0.03-0.5%, aminotransferase 0.03-0.09%, activated carbon 20-40%, polyvinyl alcohol 0.3-0.5%, Sodium Benzoate 0.3-0.5%, the guar gum 0.2-0.5% in receiving.
The preparation method of snout moth's larva of rice repellent granule, also comprises the steps:
Each component except activated carbon is mixed, be dissolved in completely in n-hexane, then activated carbon is placed in to mixed solution and soaks 48 ~ 72h, pull out, drain.
Above-mentioned snout moth's larva of rice repellant is applied to repellent snout moth's larva of rice pink rice borer, rice stem borer is laid eggs.
Brief description of the drawings
Fig. 1 is the Oviposition Repellent of Alcohol Extracts (*: represent the t inspection significant difference of independent sample, process and contrast significant difference) of snout moth's larva of rice repellant to striped rice borer;
The Oviposition Repellent of Alcohol Extracts that Fig. 2 snout moth's larva of rice repellant is indoor to pink rice borer;
Fig. 3 snout moth's larva of rice repellant microemulsion is to snout moth's larva of rice field repellent action;
Fig. 4 snout moth's larva of rice repellant granule is to snout moth's larva of rice field repellent action.
beneficial effect
The invention has the beneficial effects as follows, the present invention can be to the snout moth's larva of rice generation repellent action of laying eggs, thereby reduces causing harm and population quantity of the snout moth's larva of rice.The features such as this repellant has that cost is low, efficiency is high, environmentally friendly, person poultry safety; Snout moth's larva of rice repellant of the present invention has wide industrialization prospect, because preparation method is simple, is particularly suitable for using in Rice Non-polluted is produced, and has wide economy, society and ecological benefits.
Embodiment
Below with reference to embodiment, the present invention is described in detail.
Snout moth's larva of rice repellent microemulsion, component is cedrol 20%, ocimene 0.7%, australene 1.5%, methyl cinnamate 2.8%, 2,6-BHT 0.5%, detergent alkylate methanesulfonic sodium 2%, glycerine 4.5%, Sodium Benzoate 0.3%, guar gum 0.35%, emulsifier 12%, surplus is water.
Preparation process method is as follows:
(1) by active ingredient (cedrol, ocimene, australene, methyl cinnamate) mix and blend, heating for dissolving, make oil phase;
(2), by water, whole auxiliary agent mixing and stirring;
(3), (1) is slowly added in (2), stir emulsification pretreatment, sampling, inspection, to obtain final product.
Snout moth's larva of rice repellent microemulsion, component is that cedrol 12%, ocimene 1.2%, australene 3.1%, methyl cinnamate 4.8%, ascorbic acid receive 0.03%, detergent alkylate methanesulfonic sodium 2.5%, glycerine 4.0%, Sodium Benzoate 0.4%, guar gum 0.5%, emulsifier 10%, and surplus is water.
Preparation method is with embodiment 1.
Snout moth's larva of rice repellent microemulsion, component is cedrol 5.3%, ocimene 6.2%, australene 0.5%, methyl cinnamate 22.5%, ascorbic acid receives 0.05%; Detergent alkylate methanesulfonic sodium 3%, glycerine 5%, Sodium Benzoate 0.3%, guar gum 0.5%, emulsifier 12% surplus are water.
Preparation method is with embodiment 1.
embodiment 4
Snout moth's larva of rice repellent microemulsion, component is cedrol 15%, ocimene 2.3%, australene 4.3%, methyl cinnamate 4.0%, 2,6-BHT 0.3%, detergent alkylate methanesulfonic sodium 2.5%, glycerine 4.0%, Sodium Benzoate 0.4%, guar gum 0.5%, emulsifier 10%, surplus is water.
Preparation method is with embodiment 1.
Snout moth's larva of rice repellent microemulsion, component is cedrol 12%, ocimene 8%, australene 0.8%, methyl cinnamate 2.0%, 2,6-BHT 0.5%, detergent alkylate methanesulfonic sodium 2.5%, glycerine 5.0%, Sodium Benzoate 0.3%, guar gum 0.3%, emulsifier 11%, surplus is water.
Preparation method is with embodiment 1.
Snout moth's larva of rice repellent granule, component is cedrol 10%, ocimene 10%, australene 1.2%, methyl cinnamate 3.0%, 2,6-BHT 0.03%, aminotransferase 0.04%, activated carbon 30%, polyvinyl alcohol 0.5%, Sodium Benzoate 0.5%, guar gum 0.3%, surplus is water.
Preparation method: the each component except activated carbon is mixed, be dissolved in completely in n-hexane, then active carbon is placed in to mixed solution and soaks 48h, pull out, drain.
embodiment 7
Snout moth's larva of rice repellent granule, component is cedrol 14%, ocimene 8.5%, australene 9.0%, methyl cinnamate 7.5%, 2,6-BHT 0.5%; Aminotransferase 0.06%, activated carbon 35%, polyvinyl alcohol 0.4%, Sodium Benzoate 0.4%, guar gum 0.2%, surplus is water.
Preparation method is with embodiment 6.
Snout moth's larva of rice repellent granule, component is that cedrol 16%, ocimene 6.5 %, australene 7.2%, methyl cinnamate 5.8%, ascorbic acid receive 0.5%, aminotransferase 0.07%, activated carbon 40%, polyvinyl alcohol 0.3%, Sodium Benzoate 0.3%, guar gum 0.4%, and surplus is water.
Preparation method is with embodiment 6.
embodiment 9
Snout moth's larva of rice repellent granule, component is cedrol 20%, ocimene 4.5%, australene 5.3%, methyl cinnamate 3.8%, 2,6-BHT, 0.05 %, aminotransferase 0.09%, activated carbon 25%, polyvinyl alcohol 0.4%, Sodium Benzoate 0.5%, guar gum 0.5%, surplus is water.
Preparation method is with embodiment 6.
Repellent granule, component is that cedrol 25%, ocimene 1.5 %, australene 0.8 %, methyl cinnamate 2.8%, ascorbic acid receive 0.5%, aminotransferase 0.03%, activated carbon 38%, polyvinyl alcohol 0.5%, Sodium Benzoate 0.4%, guar gum 0.3%, and surplus is water.
Preparation method is with embodiment 6.
embodiment 11
The snout moth's larva of rice repellant that adopts embodiment 1 to make.The potted plant seedling spraying of paddy rice with 2000 times of liquid in the Sheng phase of tillering, to spray the same water yield as contrast.Process seedling and contrast seedling being placed in 80 object nylon grenadine accounts, processing seedling and the right-angled intersection of contrast seedling are placed.The female adult of striped rice borer, the female adult of pink rice borer of in nylon account, accessing respectively the bosom of mating ovum, density is 1, every basin rice seedling.Connecing the worm time is late 19:00, turns off all light after connecting worm.The each repetition 6 times of repellency test of the female adult of striped rice borer, the female adult of pink rice borer, connects the investigation in 8 days, 12 days, 14 days after worm and records the withered sheath rate of each processing snout moth's larva of rice.
Can find out from Fig. 1,2 survey data, withered sheath rate that the withered sheath rate being caused by striped rice borer on contrast paddy rice potted plant seedling and pink rice borer are caused all significantly (* represents) higher than processing potted plant seedling, after medicine 8 days, 12 days and 14 days, striped rice borer, pink rice borer are all had to obvious repellent effect.The snout moth's larva of rice repellant that adopts embodiment 2-5 to make carries out above-mentioned identical test, also can obtain the technique effect similar to embodiment 1.
embodiment 12
The snout moth's larva repellant that adopts embodiment 1 to formulate.Get the Sheng phase 600m of tillering that two block length gesture are close
2paddy field, the isolation of surrounding 1m paddy rice band, before dispenser to two paddy fields investigation snout moth's larvas of rice rate that causes harm, one of them field evenly sprays microemulsion, with 2000 times of liquid sprayings, the withered sheath rate of each processing snout moth's larva of rice is investigated and record respectively to another paddy field, to spray the same water yield in contrast, for 8 days, 12 days, 14 days after medicine.Repeat 3 times.
Can find out from the survey data of Fig. 3, in control plot the withered sheath rate of the snout moth's larva of rice significantly (* represents) higher than processing in community, after medicine 8 days, 12 days and 14 days, the snout moth's larva of rice is all had to obvious repellent effect.The snout moth's larva of rice repellant that adopts embodiment 2-5 to make carries out above-mentioned identical test, also can obtain the technique effect similar to embodiment 1.
embodiment 13
The snout moth's larva repellant that adopts embodiment 6 to formulate.Get the Sheng phase 800m of tillering that two block length gesture are close
2paddy field, the band isolation of surrounding 1m paddy rice, before dispenser, to two paddy fields investigation snout moth's larvas of rice rate that causes harm, one of them field is evenly placed granule, granule is placed in disposal plastic cup, the sealing of plastic cup rim of a cup, cup surrounding stamp aperture volatilizees in order to repellant, puts repellant 30g for every glass, placing height is for exceeding rice strain 10cm, density is 10m × 10m, and the withered sheath rate of each processing snout moth's larva of rice is investigated and record respectively to another paddy field in contrast, for 8 days, 12 days, 14 days after medicine.Repeat 3 times.
Can find out from the survey data of Fig. 4, in control plot the withered sheath rate of the snout moth's larva of rice significantly (* represents) higher than processing in community, after medicine 8 days, 12 days and 14 days, the snout moth's larva of rice is all had to obvious repellent effect.The snout moth's larva of rice repellant that adopts embodiment 7-10 to make carries out above-mentioned identical test, also can obtain the technique effect similar to embodiment 6.
Above-described embodiment is used for the present invention that explains, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment and change that the present invention is made, all fall into protection scope of the present invention.
Claims (10)
1. a snout moth's larva of rice repellant, is characterized in that, it comprises the proportioning component of following weight percentage: cedrol 3-50%, ocimene 0.1-30%, australene 0.01-30%, methyl cinnamate 0.5-20%.
2. snout moth's larva of rice repellant according to claim 1, is characterized in that, it comprises the component of following weight percentage proportioning: cedrol 10-40%, ocimene 0.5-20%, australene 0.1-15%, methyl cinnamate 0.5-10%.
3. snout moth's larva of rice repellant according to claim 1, is characterized in that, it comprises the component of following weight percentage proportioning: cedrol 10-30%, ocimene 0.5-10%, australene 0.3-10%, methyl cinnamate 2.0-8%.
4. snout moth's larva of rice repellant as claimed in claim 1, it is characterized in that, this repellant further comprises auxiliary agent, wherein, by weight percentage, described auxiliary agent is one or more compositions that are selected from following reagent: antioxidant is selected from 2,6-BHT, ascorbic acid one or both 0.03-0.5% in receiving, neopelex 2-3%, glycerine 3-5%, Sodium Benzoate 0.3-0.5%, guar gum 0.2-0.5%, emulsifier 10-12%.
5. a method of preparing snout moth's larva of rice repellant microemulsion, is characterized in that, the method comprises the steps: (1), component as claimed in claim 1 is provided; (2), by each described component mix and blend, heating for dissolving, make oil phase; (3), by water, auxiliary agent mixing and stirring; (4), (2) are slowly added in (3), stir emulsification pretreatment, sampling, inspection, to obtain final product.
6. method as claimed in claim 5, it is characterized in that, described auxiliary agent by as following component form: antioxidant is selected from 2,6-BHT, ascorbic acid one or both 0.03-0.5%, aminotransferase 0.03-0.09%, activated carbon 20-40%, polyvinyl alcohol 0.3-0.5%, Sodium Benzoate 0.3-0.5%, the guar gum 0.2-0.5% in receiving.
7. method as claimed in claim 5, it is characterized in that, with total weight percent, described auxiliary agent by as following component form: antioxidant is selected from 2,6-BHT, ascorbic acid one or both 0.03-0.5%, aminotransferase 0.03-0.09%, activated carbon 20-40%, polyvinyl alcohol 0.3-0.5%, Sodium Benzoate 0.3-0.5%, the guar gum 0.2-0.5% in receiving.
8. method as claimed in claim 5, is characterized in that, also comprises the steps: the each component except activated carbon to mix, and is dissolved in completely in n-hexane, then activated carbon is placed in to mixed solution and soaks 48 ~ 72h, pull out, drain.
9. the application of snout moth's larva of rice repellant aspect repellent snout moth's larva of rice pink rice borer, the female Adult worms producting eggs of striped rice borer, wherein said snout moth's larva of rice repellant comprises the component of following weight percentage proportioning: cedrol 3-50%, ocimene 0.1-30%, australene 0.01-30%, methyl cinnamate 0.5-20%.
10. a snout moth's larva of rice repellant, aqueous emulsion, microemulsion, missible oil, granule or the paste made according to claim 1, one of 2 or 3 described compositions.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812663A (en) * | 2018-07-11 | 2018-11-16 | 中国农业科学院植物保护研究所 | Purposes and repellant of the methyl n-heptyl ketone as striped rice borer female adult repellant component |
| CN109042647A (en) * | 2018-07-11 | 2018-12-21 | 中国农业科学院植物保护研究所 | Purposes and repellant of the beta-myrcene as striped rice borer female adult repellant component |
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| WO2011045596A2 (en) * | 2009-10-12 | 2011-04-21 | University Of Greenwich | Insect attractant compositions |
| CN102438448A (en) * | 2008-11-03 | 2012-05-02 | 喂养与发展研究中心非商业性质人民团体 | Mixture and method for controlling the insect acrobasis nuxvorella on carya illinoiensis plants |
| CN103070170A (en) * | 2013-01-28 | 2013-05-01 | 扬州大学 | Composite attractant for attracting rice leaf roller female and male moths and application of composite attractant |
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2014
- 2014-02-10 CN CN201410046554.5A patent/CN103828805B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102438448A (en) * | 2008-11-03 | 2012-05-02 | 喂养与发展研究中心非商业性质人民团体 | Mixture and method for controlling the insect acrobasis nuxvorella on carya illinoiensis plants |
| WO2011045596A2 (en) * | 2009-10-12 | 2011-04-21 | University Of Greenwich | Insect attractant compositions |
| CN103070170A (en) * | 2013-01-28 | 2013-05-01 | 扬州大学 | Composite attractant for attracting rice leaf roller female and male moths and application of composite attractant |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812663A (en) * | 2018-07-11 | 2018-11-16 | 中国农业科学院植物保护研究所 | Purposes and repellant of the methyl n-heptyl ketone as striped rice borer female adult repellant component |
| CN109042647A (en) * | 2018-07-11 | 2018-12-21 | 中国农业科学院植物保护研究所 | Purposes and repellant of the beta-myrcene as striped rice borer female adult repellant component |
| CN109042647B (en) * | 2018-07-11 | 2020-05-01 | 中国农业科学院植物保护研究所 | β -myrcene used as Chilo suppressalis female insect repellent component and repellent |
| CN108812663B (en) * | 2018-07-11 | 2020-05-01 | 中国农业科学院植物保护研究所 | Application of 2-nonanone as female striped rice borer repellent component and repellent |
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