CN105248481A - Aphid control liquid for facility crops and preparation method thereof - Google Patents
Aphid control liquid for facility crops and preparation method thereof Download PDFInfo
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- CN105248481A CN105248481A CN201510738841.7A CN201510738841A CN105248481A CN 105248481 A CN105248481 A CN 105248481A CN 201510738841 A CN201510738841 A CN 201510738841A CN 105248481 A CN105248481 A CN 105248481A
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Abstract
The invention discloses aphid control liquid for facility crops and a preparation method thereof. The aphid control liquid is prepared from the following raw materials: 300 to 500 parts of radix sophorae flavescentis plants, 500 to 600 parts of veratrum nigrum flowers or veratrum nigrum flower leaves and 100 to 200 parts of 2% of emamectin azadirachtin. Matrine and veratramine are respectively extracted from radix sophorae flavescentis and veratrum nigrum; the aphid control liquid prepared by using the method has the advantages of high safety, environmental friendliness, economy, easiness in processing and production and the like; less organic solvents are used, therefore, the toxicity to users can be reduced, additionally, the organic solvents which are discharged to atmosphere, soil, underground water and rivers can be greatly reduced, the environmental pollution is reduced, and the ecological environmental protection is facilitated.
Description
Technical field
The invention belongs to agriculture chemical compounding and applied technical field, be specifically related to a kind of protected crop control of aphids liquid and preparation method thereof.
Background technology
For the aphid be on the rise in industrialized agriculture, aphid focuses mostly in the plant spire back side and sucks juice, has a strong impact on the Yield and qualities of traditional Chinese medicine.In the production process of protected crop, rationally control plant insect pest, for ensureing that the quantity and quality of medicinal material all has very important effect.At present, China is to the control of insect pest still based on chemical control, but long-term irrational use chemical pesticide makes the residue of pesticide of protected crop exceed standard, and greatly have impact on the quality of crop.In order to effectively control and reduce the persticide residue in crop, only have fundamentally, namely from Producing medicinal herbs, the link of applying pesticides solves problem and is only positive.Biological control is with biological or biological metabolite and biotechnology acquisition biologic, as antibiotic, biogenic pesticide or natural enemy administer pest.Biopesticide generally strong to pest selectivity, toxicity is large; And little to higher mammal toxicity, environmental pollution is few, does not generally cause nuisance organism source pesticide avoiding having unique advantage in environmental pollution, attenuating pest resistance to insecticide and scientific prevention and cure etc., but also there is obvious weakness, and such as control spectrum is narrow, and drug effect is slow.
Chinese patent CN103355279A, disclose a kind of electric heating for facility for prevention and control crop aphid and to go out aphid method and aphid thereof, wherein go out aphid liquid chlorpyrifos-methyl 1-2%, dimefluthrin 1-30%, unrelated to the invention.
Chinese periodical " modern " the 9th volume, 6th phase, 53-56 page, Jiang-Han Area U.S. waits people, provide with 12% compound alkaloid microemulsion control cigarette aphid indoor biometrics and field control effectiveness test, wherein compound alkaloid microemulsion mainly contains main containing number of chemical compositions such as matrine, oxymatrine, toosendanin, stemonines, and preparation method is loaded down with trivial details, and cost is higher.
Summary of the invention
Instant invention overcomes the problem that in control of aphids liquid process for preparation, method is loaded down with trivial details, matrine, Li Lu alkali is extracted respectively from kuh-seng, Li Lu, the control of aphids liquid prepared by the method, avoid environmental pollution, lower the aspect such as pest resistance to insecticide and scientific prevention and cure and have unique advantage, and control of aphids effect is better.
For realizing foregoing invention, embodiment of the present invention is specific as follows:
One, material composition
The present invention consists of following weight parts raw material: Sophora flavescens Ait 300-500 part, multitude reed catkins or blade 500-600 part, 2% first Wei Yin Su element 100-200 part.
Two, preparation method
The present invention is realized by following technology preparation process:
1) material disintegrating, by Sophora flavescens Ait, the flower of Li Lu plant and blade, air-dry at naturally placing 25 DEG C, and pulverize the plant dry matter for 50-100mm.
2) vacuumizing, take step 1) gained obtains plant dry matter 300-400g, and put in the conical flask of 1000ml, add the distilled water of 600ml, soak after 30 minutes, be placed in vacuum filtration steel, vacuumize.
3) ultrasonic extraction, by step 2) gained vacuumizes product, and be then put in ultrasonic extractor and vibrate 45 minutes.Centrifugal for extract centrifuge 4000rpm 5min is extracted supernatant, is transferred on Rotary Evaporators by the filtrate obtained, decompression is rising to stoste presents dense oily; After dilute with water, constant volume is to 50ml as original liquid, and Cord blood is at 4 DEG C of refrigerators.
4) control of aphids liquid is prepared, by step 3) gained original liquid mixes Yu Yin Su element liquid with 25:1 ratio, makes control of aphids liquid, spraying as 800-1000 times of liquid is used of control of aphids liquid.
1) described step 1) kuh-seng is one in leguminous plant kuh-seng, Sophora alopecuroide, root of subprostrate sophora.
2) described step 2) vacuumize and vacuumize 30 minutes for continuing under 200Pa, open intake valve fast after 30 minutes.
The present invention compared with prior art, tool has the following advantages and beneficial effect: control of aphids liquid mainly make use of Li Lu alkali and matrine to effective killing action of aphid, Li Lu alkali and matrine can from multitude reed catkins or blades, and extract in Sophora flavescens Ait, the agricultural chemicals prepared is a kind of microemulsion of safe, environmentally-friendly water-based property.Have that high safety, the feature of environmental protection are good, economy, the easily advantage such as processing and production; because it uses organic solvent less; therefore the murder by poisoning to user can be alleviated; simultaneously in large quantities emissions reduction to the organic solvent amount in air, soil, underground water and river; reduce environmental pollution, be conducive to ecological environmental protection.
Embodiment
Below by way of specific embodiment, the present invention will be further described, but the interest field that the present invention protects is not limited only to following examples.
Embodiment 1:
Prepare Sophora flavescens Ait 300 parts, multitude reed catkins or 500 parts, blade, 2% first Wei Yin Su element 10 parts.
1) material disintegrating, by the flower of Sophora flavescens Ait 300g, Li Lu plant and blade 500g, air-dry at naturally placing 25 DEG C, and pulverize the plant dry matter for 60mm.
2) vacuumize, taking step 1) gained obtains plant dry matter 300g, put in the conical flask of 1000ml, add the distilled water of 600ml, soak after 30 minutes, be placed in vacuum filtration steel, vacuumize, vacuumize and vacuumize 30 minutes for continuing under 200Pa, after 30 minutes, open intake valve fast.
3) ultrasonic extraction, by step 2) gained vacuumizes product, and be then put in ultrasonic extractor and vibrate 45 minutes.Centrifugal for extract centrifuge 4000rpm 5min is extracted supernatant, is transferred on Rotary Evaporators by the filtrate obtained, decompression is rising to stoste presents dense oily; After dilute with water, constant volume is to 50ml as original liquid, and Cord blood is at 4 DEG C of refrigerators.
4) control of aphids liquid is prepared, by step 3) gained original liquid is with 25:1 ratio and 2% first Wei Yin Su element, and make control of aphids liquid, spraying of control of aphids liquid is that 800 times of liquid are used.
Embodiment 2:
Prepare Sophora flavescens Ait 400 parts, multitude reed catkins or 500 parts, blade, 2% first Wei Yin Su element 10 parts.Material disintegrating, by the flower of Sophora flavescens Ait 400g, Li Lu plant and blade 500g, air-dry at naturally placing 25 DEG C, and pulverize the plant dry matter for 50mm.Vacuumize, gained obtains plant dry matter 400g, puts in the conical flask of 1000ml, add the distilled water of 600ml, soak after 30 minutes, be placed in vacuum filtration steel, vacuumize, vacuumize and vacuumize 30 minutes for continuing under 200Pa, after 30 minutes, open intake valve fast.Ultrasonic extraction, gained vacuumizes product, is then put in ultrasonic extractor and vibrates 45 minutes.Centrifugal for extract centrifuge 4000rpm 5min is extracted supernatant, is transferred on Rotary Evaporators by the filtrate obtained, decompression is rising to stoste presents dense oily; After dilute with water, constant volume is to 50ml as original liquid, and Cord blood is at 4 DEG C of refrigerators.Preparation control of aphids liquid gained original liquid is with 25:1 ratio and 2% first Wei Yin Su element, and make control of aphids liquid, spraying of control of aphids liquid is that 1000 times of liquid are used.
Embodiment 3:
The agricultural chemicals that embodiment 1 and embodiment 2 are prepared and 2.5% efficient cyhalothrin emulsifiable concentrate, be applied to the sterilize experiment of aphid simultaneously, result of the test shows, the agricultural chemicals that embodiment 1 and embodiment 2 are prepared and 2.5% efficient cyhalothrin emulsifiable concentrate effectively can both kill aphid under rational concentration conditions, can play a role for the control of protected crop aphid.
Claims (4)
1. a protected crop control of aphids liquid, is characterized in that, the raw material composition of the following weight portion of control of aphids liquid raw material: Sophora flavescens Ait 300-500 part, multitude reed catkins or blade 500-600 part, 2% first dimension print Su element 100-200 part.
2. the preparation method of a kind of protected crop control of aphids liquid according to claim 1, is characterized in that, following technology preparation process:
1) material disintegrating, by Sophora flavescens Ait, the flower of Li Lu plant and blade, air-dry at naturally placing 25 DEG C, and pulverize the plant dry matter for 50-100mm;
2) vacuumizing, take step 1) gained obtains plant dry matter 300-400g, and put in the conical flask of 1000ml, add the distilled water of 600ml, soak after 30 minutes, be placed in vacuum filtration steel, vacuumize;
3) ultrasonic extraction, by step 2) gained vacuumizes product, and be then put in ultrasonic extractor and vibrate 45 minutes.Centrifugal for extract centrifuge 4000rpm 5min is extracted supernatant, is transferred on Rotary Evaporators by the filtrate obtained, decompression is rising to stoste presents dense oily; After dilute with water, constant volume is to 50ml as original liquid, and Cord blood is at 4 DEG C of refrigerators;
4) control of aphids liquid is prepared, by step 3) gained original liquid mixes Yu Yin Su element liquid with 25:1 ratio, makes control of aphids liquid, spraying as 800-1000 times of liquid is used of control of aphids liquid.
3. the preparation method of a kind of protected crop control of aphids liquid according to claim 2, is characterized in that, described step 1) in kuh-seng be one in leguminous plant kuh-seng, Sophora alopecuroide, root of subprostrate sophora.
4. the preparation method of a kind of protected crop control of aphids liquid according to claim 2, is characterized in that, described step 2) vacuumize and vacuumize 30 minutes for continuing under 200Pa, open intake valve fast after 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738841.7A CN105248481A (en) | 2015-11-04 | 2015-11-04 | Aphid control liquid for facility crops and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510738841.7A CN105248481A (en) | 2015-11-04 | 2015-11-04 | Aphid control liquid for facility crops and preparation method thereof |
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| CN105248481A true CN105248481A (en) | 2016-01-20 |
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| CN201510738841.7A Pending CN105248481A (en) | 2015-11-04 | 2015-11-04 | Aphid control liquid for facility crops and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106614648A (en) * | 2016-11-24 | 2017-05-10 | 盐城市大丰区小海镇农业技术推广综合服务中心 | Pesticide for preventing and controlling beetles on green vegetables |
| ITUB20161220A1 (en) * | 2016-03-01 | 2017-09-01 | Icas Srl | Production process of a Sophora flavescens preparation for agricultural use and its preparation based on Sophora flavescens for agricultural use |
-
2015
- 2015-11-04 CN CN201510738841.7A patent/CN105248481A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20161220A1 (en) * | 2016-03-01 | 2017-09-01 | Icas Srl | Production process of a Sophora flavescens preparation for agricultural use and its preparation based on Sophora flavescens for agricultural use |
| CN106614648A (en) * | 2016-11-24 | 2017-05-10 | 盐城市大丰区小海镇农业技术推广综合服务中心 | Pesticide for preventing and controlling beetles on green vegetables |
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Application publication date: 20160120 |