CN1059782C - Chemical biological pesticide without public nuisance and its preparing method - Google Patents
Chemical biological pesticide without public nuisance and its preparing method Download PDFInfo
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- CN1059782C CN1059782C CN97118357A CN97118357A CN1059782C CN 1059782 C CN1059782 C CN 1059782C CN 97118357 A CN97118357 A CN 97118357A CN 97118357 A CN97118357 A CN 97118357A CN 1059782 C CN1059782 C CN 1059782C
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- pesticide
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- emulsifier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The present invention relates to a chemical biological pesticide without public nuisance and a preparing method thereof, which adopts the addition compound of plant extracting solution containing alkaloids and solvent oil as a main constituent for disinsection, and the present invention has controlling effect on various destructive insects harmful to vegetables, fruit trees and crops. Compared with a chemical pesticide, the present invention has the advantages of no pollution, no residue, long effect of the pesticide, low cost and difficult generation of the pesticide resistance of the destructive insects; compared with a pure plant type pesticide, the present invention has the advantages of fast effect of the pesticide, high dilution multiples and long preserving time; as a novel pesticide with high efficiency, low toxicity and low cost, the pesticide can completely replace organophosphorus chemical pesticides or organochlorine chemical pesticides, and the pesticide has popularization value in a long term.
Description
The present invention relates to a kind of agricultural chemicals, the particularly a kind of chemical biological pesticide of the various pests that can effectively prevent and treat vegetables, crops and fruit tree and the preparation method of this agricultural chemicals.
The insecticide pesticide that uses is generally chemicals at present, contains Toxics such as organic phosphor, chlorine.Long-term a large amount of chemical pesticide that uses pollutes environment, and is ecological out of control, cause natural enemy to be killed, insect develops immunity to drugs, and not volatile chemical residue is attached to crops and fruit and vegetable surfaces simultaneously, after people and animals are edible, be enriched in the body, health is brought harm.
In today that the human living standard improves day by day, the natural green food of no chemical residual more and more is subjected to people's welcome, agricultural chemicals market is also very urgent to the requirement that Pesticidal products updates, and the insecticide of new generation of developing and promoting the use of high-efficiency low-toxicity as early as possible and be difficult for making insect to produce resistance just becomes the task of top priority.Though now the plant-type pesticide of more existing nontoxic pollution-frees appears on the market, have that antiseptic property is poor, drug effect is slow, dilution ratio is low, the high deficiency of cost.
The objective of the invention is to provide at above situation a kind of pollution-free, noresidue, drug effect is long, cost is low chemical biological pesticide, this agricultural chemicals has extremely strong stomach to kill and action of contace poison to insect, and harmless to the natural enemy of people and animals, insect.
The present invention adopts the mixture contain alkaloidal plant extraction liquid and solvent naphtha to prepare chemical biological pesticide as the Main Ingredients and Appearance of desinsection, and this agricultural chemicals specifically is made up of following material:
A, 70~80% the oil miscible solvent compound that contains vegetable oil, wherein content of vegetable oil accounts for 3~8% of amount of the mixture, and solvent naphtha adopts No. 200 solvent naphthas.
B, 15~25% plant extraction liquid, plant extraction liquid is made by following weight percentages:
Monkshood 15~35% castor-oil plants 10~15% trifoliate jewelvines 10~20%
Quassia 10~15% radix bupleuri 5~8% Rabdosia rubescens 8~12%
Sow rattan 5~10% subprostrate sophoras 10~20%
C, 3~5% emulsifier, emulsifier adopts triethanolamine.
The preparation method of above-mentioned chemical biological pesticide may further comprise the steps:
1, the solvent naphtha with 3~8% vegetable oil and 92~97% adds in the reactor, in temperature is to mix under 40 ℃ the condition, makes the oil miscible solvent compound.
2, with monkshood, castor-oil plant, trifoliate jewelvine, quassia, radix bupleuri, Rabdosia rubescens, sow rattan, subprostrate sophora chopping, mixing in proportion, through hot water lixiviate, filtration, concentrate and make plant extraction liquid, the concentration of plant extraction liquid is 13~18 ° of Baume degrees.
The hot water extraction temperature of preparation plant extraction liquid is 80~82 ℃, and the time is 4 hours, and the ratio of plant and water is 1: 4.
3, earlier 3~5% emulsifier is added in 15~25% the plant extraction liquid, stir, temperature is controlled at 40 ℃, again 70~80% oil miscible solvent compound is added in the mixed liquor of plant extraction liquid and emulsifier, carry out emulsion reaction, then make chemical biological pesticide stoste by the emulsification of high speed shear mulser high speed shear.
The mechanism of action of this chemical biological pesticide for tag and stomach kill double action, the oil miscible solvent compound that utilization contains vegetable oil is tagged, the plant extraction liquid stomach kills, by double action the cured matter layer in polypide surface is decomposed, the toxicity transdermal penetration, make it neural paralysis, blood coagulation in the blood sinus, valve is obstructed, break polypide physiological metabolism balance, suffer from vomiting and diarrhoea until death.
Adopt the chemical biological pesticide of the present invention's preparation to detect test through Prevention and Cure Inst. of Occupational Diseaste of Labour and Hygiene, Shando, the result shows: its mouse oral, rat oral LD 50 are all greater than 1000mg/kg, by China's agricultural chemicals acute toxicity grading criteria, belong to the lower toxicity agricultural chemicals.To rabbit skin and the no obvious stimulation of eye.The rat cumulative toxicity test shows that this medicine does not have significant toxic accumulation effect in animal body, belongs to slightly accumulating the class agricultural chemicals.Salmonella reversion test, mouse marrow cell chromosome aberration test and mouse germinal cell tumor of testis chromosomal aberration test are all negative, and the result shows the change effect that causes that finds no.
Further describe the present invention below in conjunction with embodiment:
Embodiment 1 (by weight percentage)
1, oil miscible solvent compound
No. 200 solvent naphtha 95% castor oil 5%
Vegetable oil does not have specific (special) requirements among the present invention, and general vegetable oil all can.
2, plant extract formula of liquid
Monkshood 30% castor-oil plant 10% trifoliate jewelvine 15% quassia 10%
Radix bupleuri 5% Rabdosia rubescens 10% sow rattan 5% subprostrate sophora 15%
3, emulsifier is a triethanolamine
Emulsifier of the present invention also can adopt diesel oil emulsifier, SP-80, Tween-60, OP-10 or paregal O emulsifier except that triethanolamine.
Above-mentioned prescription is according to oil miscible solvent compound 76%, plant extraction liquid 20%, and the ratio of emulsifier 4% preparation method as described above is prepared into chemical biological pesticide stoste.PH is 8 after tested.
Embodiment 2 (by weight percentage)
1, oil miscible solvent compound
No. 200 solvent naphtha 97% peanut oil 3%
2, plant extract formula of liquid
Monkshood 25% castor-oil plant 15% trifoliate jewelvine 10% quassia 12%
Radix bupleuri 8% Rabdosia rubescens 12% sow rattan 8% subprostrate sophora 10%
3, emulsifier is a diesel oil emulsifier.
Above-mentioned prescription is according to oil miscible solvent compound 72%, plant extraction liquid 25%, and the ratio of emulsifier 3% preparation method as described above is prepared into chemical biological pesticide stoste.PH is 7 after tested.
Embodiment 3 (by weight percentage)
1, oil miscible solvent compound
No. 200 solvent naphtha 93% rapeseed oils 7%
2, plant extract formula of liquid
Monkshood 18% castor-oil plant 12% trifoliate jewelvine 20% quassia 15%
Radix bupleuri 5% Rabdosia rubescens 8% sow rattan 10% subprostrate sophora 12%
3, emulsifier is SP-80
Above-mentioned prescription is according to oil miscible solvent compound 80%, plant extraction liquid 15%, and the ratio of emulsifier 5% preparation method as described above is prepared into chemical biological pesticide stoste.PH is 9 after tested.
The present invention selects the experimental field through agricultural [technology center, Baoji, Shaanxi province county in border of the county, Baoji, carried out check experiment at danger to vegetables and the comparatively serious several insects of fruit tree, and the result is as follows:
Test controlling object: broccoli diamond-back moth, aphid.
Diamond-back moth and aphid not only endanger broccoli type vegetables and rape, also endanger Chinese cabbage and ternip, and number of chemical agricultural chemicals such as the parathion of existing market circulation, phoxim, fenpropathrin are developed immunity to drugs, the any chemical pesticide preventive effect of single employing is all relatively poor, and this has become the last outstanding problem of vegetables district, Guanzhong area production in recent years.
The experimental field is located at the four groups of Yan Yonggang in fort village, the Guo Zhen south of a town and plants the open country broccoli field of vegetables of planting, and seedling makes 6~8 leaves.Test medicine adopts the stoste of embodiment 1 preparation, and concentration gradient is: 400 times, 600 times, 800 times, 1000 times.District's group arrangement is at random adopted in the experimental plot, and each concentration is handled and repeated twice, and establishes clear water zone for contrast, carries out standard operation according to routine test, and in order successively from low concentration to the high concentration spraying liquid, the experimental field did not spray other insecticide in 10 days.
Result of the test shows, chemical biological pesticide has stomach and kills and action of contace poison, for the preventive effect of pierce-suck type aphid a little less than chewing type insect diamond-back moth, the best spray medicine phase of control diamond-back moth is the first incubation period of larva, best spraying concentration is 400 times to 600 times, the preventive effect performance is behind the medicine the 7th day the most obvious phase, and anti-efficient is up to 80%.
Adopt chemical biological pesticide mu investment expenses for medicine to calculate according to investigations by 600 times of liquid, mu dosage 80ml, 2.56 yuan of expensess for medicine, and adopt isocarbophos+dichlorvos+BT emulsion mu to invest 5.70 yuan of expensess for medicine.
Test controlling object: pear crown network pentatomidae.
Pear crown network pentatomidae is named pear lace bug again, inhales juice with adult and nymph in leaf north thorn, and killed face of blade forms white chlorosis spot, and blade back has the dark brown excreta, and blade overstrike when serious of being injured witheredly falls very soon, directly influences tree vigo(u)r and output.At present, less about the medical treatment research report of pear crown network pentatomidae, in four generations, took place in Guanzhong area year in this worm, and are the strongest with the harm of the 2nd, 3 generations of 7~August especially, show stronger pesticide resistance, and over the years, a kind of chemical pesticide control of single employing difficulty proves effective.This worm is distributed in each fruit district, China north and south, and fruit trees such as main harm pears, apple, peach, Lee, cherry, apricot, hawthorn have become present fruit district and produced a last more scabrous outstanding problem.
The experimental field is located at six groups of Tian Suochang theatre, Guo Zhen Zhen Shuilian stockaded village village, and test medicine adopts the stoste of embodiment 2 preparations, and concentration gradient is: 400 times, 600 times, 800 times, 1000 times.District's group arrangement is at random adopted in the experimental plot, each concentration is handled and is repeated twice, and establish clear water zone in contrast, 10 trees in every experimental plot, when spraying soup in order successively from the low concentration to the high concentration, test specification operation did not routinely spray other medicament, the same land for growing field crops of control measures in 10 days in the test region.
Result of the test shows that the variable concentrations gradient is handled certain difference, wherein higher with 800 times preventive effect, reaches 70.2%, and the 7th day preventive effect is more remarkable behind the medicine, and from the comparative analysis of worm attitude, also the lethality of nymph is stronger relatively for medicament.Can draw thus: the best spray medicine phase is contained latter stage for the hatching of pear crown network pentatomidae ovum, and best spraying concentration is 800 times, and the preventive effect maximum phase is behind the medicine the 7th day.Agricultural technology center is thought still not to be had under the situation of preventing and treating of specific medicament at current pear crown network pentatomidae, and chemical biological pesticide is as a kind of comparatively desirable novel pesticide, but Demonstration Application is in the control of pear crown network pentatomidae insect pest.
The present invention has also carried out spring, summer cabbage caterpillar field insect killing effect test by Baoji county agricultural technology center, is 86% to the kill ratio of cabbage caterpillar, and effect is better than sumicidin.
In addition, the present invention has also carried out the control test of cotton sandfly worm of the 4th generation through Shandong Province's Accessories during Binzhou, and the result shows, can reach 80.4% to cotton sandfly worm's ovum kill ratio, and 75% to draw the kill ratio of denapon wetting powder be 67.4% and French Rhone-Poulenc produces.
From above result of the test, chemical biological pesticide of the present invention has good stomach to insects such as cabbage caterpillar, diamond-back moth, aphid, pear crown network pentatomidae, cotton sandfly worm, two spotted spider mite, locusts and kills and action of contace poison, its insecticidal effect is suitable with the pure chemistry agricultural chemicals, but compares remarkable advantages such as it has pollution-free, noresidue, drug effect is long, cost is low, insect is difficult for developing immunity to drugs with chemical pesticide; Compare with the pure plant type agricultural chemicals, have advantages such as drug effect is fast, dilution ratio is high, long shelf-life again.
In sum; this agricultural chemicals is a kind of efficient, low toxicity, novel agrochemical with low cost; particularly under the development trend high to environmental protection and pollution-free food cry day; it can replace present organic phosphor fully, chlorine class chemical pesticide is used to prevent and treat crop pests such as fruits and vegetables, has long-range promotional value.
Claims (5)
1, a kind of chemical biological pesticide without public nuisance is characterized in that adopting the mixture that contains alkaloidal plant extraction liquid and solvent naphtha and vegetable oil to prepare chemical biological pesticide as the main component of desinsection, and this agricultural chemicals is made up of following material:
A, 70~80% the oil miscible solvent compound that contains vegetable oil, wherein content of vegetable oil accounts for 3~8% of amount of the mixture, and solvent naphtha adopts No. 200 solvent naphthas;
B, 15~25% plant extraction liquid, plant extraction liquid is made by following weight percentages:
Monkshood 15~35% castor-oil plants 10~15% trifoliate jewelvines 10~20%
Quassia 10~15% radix bupleuri 5~8% Rabdosia rubescens 8~12%
Sow rattan 5~10% subprostrate sophoras 10~20%
C, 3~5% emulsifier, emulsifier adopts triethanolamine.
2, a kind of preparation method of chemical biological pesticide without public nuisance is characterized in that may further comprise the steps:
A, by weight percentage, vegetable oil with 3~8% and 92~97% solvent naphtha add in the reactor, in temperature are to mix under 40 ℃ the condition, make the oil miscible solvent compound;
B, with monkshood, castor-oil plant, trifoliate jewelvine, quassia, radix bupleuri, Rabdosia rubescens, sow rattan, subprostrate sophora chopping, mixing in proportion, through hot water lixiviate, filtration, concentrate and make plant extraction liquid, the concentration of plant extraction liquid is 13~18 ° of Baume degrees;
C, by weight percentage, earlier 3~5% emulsifier is added in 15~25% the plant extraction liquid, stir, temperature is controlled at 40 ℃, again 70~80% oil miscible solvent compound is added in the mixed liquor of plant extraction liquid and emulsifier, carry out emulsion reaction, then make chemical biological pesticide stoste by the emulsification of high speed shear mulser high speed shear.
3,, it is characterized in that vegetable oil adopts castor oil, peanut oil or rapeseed oil according to the chemical biological pesticide without public nuisance under the claim 1.
4, chemical biological pesticide without public nuisance according to claim 1 is characterized in that emulsifier adopts triethanolamine, diesel oil emulsifier, SP-80, Tween-60, OP-10 or peregal 0 emulsifier.
5, the preparation method of chemical biological pesticide without public nuisance according to claim 2, the hot water extraction temperature that it is characterized in that preparing plant extraction liquid is 80~82 ℃, and the time is 4 hours, and the ratio of plant and water is 1: 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN97118357A CN1059782C (en) | 1997-10-11 | 1997-10-11 | Chemical biological pesticide without public nuisance and its preparing method |
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CN97118357A CN1059782C (en) | 1997-10-11 | 1997-10-11 | Chemical biological pesticide without public nuisance and its preparing method |
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CN1178636A CN1178636A (en) | 1998-04-15 |
CN1059782C true CN1059782C (en) | 2000-12-27 |
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CN97118357A Expired - Fee Related CN1059782C (en) | 1997-10-11 | 1997-10-11 | Chemical biological pesticide without public nuisance and its preparing method |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102715198B (en) * | 2012-06-15 | 2013-07-03 | 米如钦 | Traditional Chinese herbal medicine mixture for preventing and controlling cucumber bacterial angular leaf spot |
CN105394090A (en) * | 2015-12-24 | 2016-03-16 | 青岛百瑞吉生物工程有限公司 | Natural bactericide for controlling persimmon fruit moth of persimmon trees and preparation method thereof |
CN113754486A (en) * | 2021-09-01 | 2021-12-07 | 安徽省司尔特肥业股份有限公司 | Special organic-inorganic compound fertilizer for peanuts and preparation method thereof |
CN114651833B (en) * | 2022-03-10 | 2024-01-16 | 赤天化科技集团有限公司 | Insecticidal composition containing dimefon and application thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1045908A (en) * | 1989-03-31 | 1990-10-10 | 周厚德 | The Chinese herbal medicine and the production method thereof of control orange tree foot rot and gummosis |
CN1108474A (en) * | 1994-03-16 | 1995-09-20 | 詹桂边 | "Shamieling"-an agrichemical without enviromental pollution for plant |
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1997
- 1997-10-11 CN CN97118357A patent/CN1059782C/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1045908A (en) * | 1989-03-31 | 1990-10-10 | 周厚德 | The Chinese herbal medicine and the production method thereof of control orange tree foot rot and gummosis |
CN1108474A (en) * | 1994-03-16 | 1995-09-20 | 詹桂边 | "Shamieling"-an agrichemical without enviromental pollution for plant |
Non-Patent Citations (1)
Title |
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中药大辞典第一版 1986.6.1 江苏新医学院,上海科学技术出版社 * |
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