CN100998341A - Plant insecticide and its preparing method - Google Patents
Plant insecticide and its preparing method Download PDFInfo
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- CN100998341A CN100998341A CN 200610170802 CN200610170802A CN100998341A CN 100998341 A CN100998341 A CN 100998341A CN 200610170802 CN200610170802 CN 200610170802 CN 200610170802 A CN200610170802 A CN 200610170802A CN 100998341 A CN100998341 A CN 100998341A
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Abstract
A group of two vegetative insecticides A and B for preventing and eliminating armyworm, aphis, borer, red spider, cabbage caterpillar, etc and promoting the growth of agricultural crops is prepared from flavescent sophora rhizome, false hellebore and the flower bud of liliae daphne. Its preparing process is also disclosed.
Description
Technical field
The present invention relates to a kind of agricultural chemicals and method for making thereof, particularly vegetative insecticide and preparation method thereof.
Background technology
At present, the insecticide great majority of the existing use of China are chemical insecticides, and its drug effect is low, and the residual hazard phase is long, and crop growth environment and human and livestock health are had in various degree harmful effect.In addition, though vegetable insecticide research report is arranged, the little poison of ubiquity, little residual and effect wait shortcoming slowly.
Summary of the invention
The object of the present invention is to provide a kind of efficient no residual hazard, the desinsection scope is wide, production cost is low, economical and practical vegetable insecticide.Another object of the present invention provides the preparation method of a vegetative insecticide.
The scheme that the present invention solves its technical problem is: a vegetative insecticide, by plant material kuh-seng, black false hellebore, lilac daphne each through alcohol immersion, squeeze and filter, extraction, crystallization, get kuh-seng, black false hellebore, three kinds of alkaloids of lilac daphne and three kinds of discarded liquid, wherein, part by weight by matrine 0.05-5%, jervine 0.05-3%, lilac daphne alkali 0.05-3% is made into missible oil, makes insecticide A; Each warp of described three kinds of discarded liquid concentrates, and presses the part by weight compounded cream of kuh-seng concentrate 3～9.6%, black false hellebore concentrate 3～9.6%, lilac daphne concentrate 3～9.6%, makes insecticide B.
Insecticide A is an active substance alkaloid complexing agent missible oil, and insecticide B is composite dose an of mixture after alkaloid separates.
Described insecticide A specifically can be made up of matrine 0.809%, jervine 0.269%, lilac daphne alkali 0.269%, emulsifier FQC-4 11.21%, kerosene 78.475%, Tween-40 8.968%.
Described insecticide B specifically can be made up of kuh-seng concentrate 0.83%, black false hellebore concentrate 0.83%, lilac daphne concentrate 0.83%, emulsifier FQC-4 12.5%, kerosene 75.01%, Tween-40 10%.
Also can add 0.5% sesame oil respectively among above-mentioned insecticide A and the insecticide B, to reach the synergy purpose.
The preparation method of one vegetative insecticide may further comprise the steps:
A, get vegetable raw material kuh-seng, black false hellebore, lilac daphne respectively and pulverize, each raw material and ethanol are soaked in by 1: 3 part by weight in 70% the ethanol, soak 24 hours, squeeze, filter and remove residue, must three kinds of filtrates;
B, extract reclaimed ethanol after, with three kinds of filtrates respectively with an amount of diluted acid water-solublely separate, placement, filtering insoluble matter, after the filtrate furnishing alkalescence again with lipophilicity organic solvent extractions such as chloroform or ether, reclaim organic solvent get final product three kinds of total alkaloids;
C, separate out crystallization with ethanol or acetone and other organic solvent then, reclaim organic solvent;
D, crystallization, the discarded liquid after kuh-seng, black false hellebore, three kinds of alkaloids of lilac daphne and kuh-seng, black false hellebore, three kinds of crystallizations of lilac daphne;
F, preparation: the part by weight by matrine 0.05-5%, jervine 0.05-3%, lilac daphne alkali 0.05-3% is made into missible oil, makes insecticide A; Each warp of described three kinds of discarded liquid concentrates, and the proportion that concentrates is 1.067～1.10, presses the part by weight compounded cream of kuh-seng concentrate 3～9.6%, black false hellebore concentrate 3～9.6%, lilac daphne concentrate 3～9.6%, makes insecticide B.
The present invention adopts aboundresources and inexpensive vegetable raw material kuh-seng, black false hellebore, lilac daphne, extract the active substance of insecticidal mechanism wherein, isolate the active ingredient alkaloid, utilize kuh-seng, black false hellebore, the compound by a certain percentage major product that is mixed with of three kinds of different alkaloids of lilac daphne---cream pesticide A, utilize kuh-seng, black false hellebore, the waste liquid mixture of lilac daphne is by the traditional Chinese medicine interpromoting relation in five elements, the rule of restriction or checking relation in five elements is mixed with the mixture by product with the eighteen imcompatible pairs rule---insecticide B, because vegetable insecticide active ingredient is pure natural substance, therefore more easily be decomposed into innocuous substance, environmentally safe after using; And be difficult for making insect to develop immunity to drugs, long-term use need not increase formulation rate.Effect of the present invention is the evidence through for many years, and prevention and elimination of disease and pests is extensive, and it has insect tags, stomach toxicity, and functions such as interior suction can effectively be prevented and treated various insects, fungi of fruit tree, vegetables, land for growing field crops crops etc.Especially the mythimna separata on paddy rice, corn, Chinese sorghum, potato, sunflower, vegetables, the fruit tree etc., aphid, heart-eating worm, two spotted spider mite, cabbage caterpillar, pear sucker, tetranychid etc. are all had tangible preventive effect function, to the harmless accretion on the contrary of crops and to fungi kill or inhibitory action good.Efficient reaching more than 90% is a kind of efficient low residual hazard, the economical and practical botanical pesticide that welcome by the peasant.Safe and convenient to use, to the crops noresidue, to soil, environmental nonpollution.
Embodiment
Insecticide A is by matrine 0.809%, jervine 0.269%, lilac daphne alkali 0.269%, and emulsifier FQC-4 11.21%, kerosene 78.475%, Tween-40 8.968% are formed.For reaching the synergy purpose, also can add 0.5% sesame oil.
Insecticide B is made up of kuh-seng concentrate 0.83%, black false hellebore concentrate 0.83%, lilac daphne concentrate 0.83%, FQC-412.5%, kerosene 75.01%, Tween-40 10%.For reaching the synergy purpose, also can add 0.5% sesame oil.
The preparation method of insecticide A and insecticide B:
A, get vegetable raw material kuh-seng, black false hellebore, lilac daphne respectively and pulverize, each raw material and ethanol are soaked in by 1: 3 part by weight in 70% the ethanol, soaked 24 hours, soak by squeezer squeeze, filter and remove residue, must three kinds of cleaner liquids;
Behind b, the filtrate recycling ethanol, again three kinds of filtrates are dissolved with 2% dilute sulfuric acid or acetate respectively, regulate pH value 4.5～5, placement, filtering insoluble matter, filtrate is regulated PH9～10 with ammoniacal liquor, again with lipophilicity organic solvent extractions such as chloroform or ether, reclaim organic solvent get final product kuh-seng, black false hellebore, three kinds of total alkaloids of lilac daphne;
C, separate out crystallization with ethanol or acetone and other organic solvent then, reclaim organic solvent;
D, crystallization, the discarded liquid after kuh-seng, black false hellebore, three kinds of alkaloids of lilac daphne and kuh-seng, black false hellebore, three kinds of crystallizations of lilac daphne;
F, preparation: the part by weight of matrine 0.809%, jervine 0.269%, lilac daphne alkali 0.269%, emulsifier FQC-4 11.21%, kerosene 78.475%, Tween-40 8.968% is mixed with insecticide A; Each warp of described three kinds of discarded liquid concentrates, the proportion that concentrates is 1.067～1.10, is mixed with insecticide B by the part by weight of kuh-seng concentrate 0.83%, black false hellebore concentrate 0.83%, lilac daphne concentrate 0.83%, emulsifier FQC-4 12.5%, kerosene 75.01%, Tween-40 10%.
Insecticide of the present invention is free from environmental pollution, noresidue, easily decompose, be difficult for producing drug resistance, and is useful and harmless to crops, stimulate the pure natural plants insecticide of crops fruit tree, vegetable growth effect again.
Below be that the concrete experimental result of the present invention illustrates its drug effect:
In indoor field test results, insecticide A and insecticide B control efficiency comparison illumination show to insects such as aphid, diamond-back moth, knurl aphid, ladybug, cabbage caterpillar, two spotted spider mite for vegetable insecticide A and B medicine.The worm of chemical pesticide pyridine simultaneously rice, chlorine go out water, Avermectin comparing result basically identical.Therefore vegetable insecticide A and B are a large amount of produces and application value.
Vegetable insecticide A is to the control test of cabbage caterpillar
Summary: the control efficiency to cabbage caterpillar under the vegetable insecticide 700-1000 condition doubly is 94%.
Purpose: vegetable insecticide A control efficiency to cabbage caterpillar under variable concentrations is tested.
Material: 60 of vegetable insecticide A, cabbage caterpillars.
Method: the concentration of vegetable insecticide is 700,1000,1200,1500,2000 CK (water).
Dosage is 15 kilograms/mu of each dilutions, carries out three times and repeats.
Table 1. vegetable insecticide A prevents and treats cabbage caterpillar control test under variable concentrations
Find out in the table 1 that the insecticidal effect of vegetable insecticide A under 700-1000 condition doubly is 94%, result of the test shows that the working concentration of vegetable insecticide B is that 700-1000 times of liquid is that effective effect is for going and buy Chinese medicine three hours with interior drug effect.Use multiple also can bring up to 1200 times from now on for this reason.
Vegetable insecticide B is to the control test of cabbage caterpillar
Summary: vegetable insecticide B diluted concentration is 800 times.
Purpose: vegetable insecticide B is insect killing effect test under different diluted concentration conditions.
Material: 100 of vegetable insecticide B, cabbage caterpillars.
Method: the diluted concentration of vegetable insecticide B is: 600, dose is 15 kilograms/mu of each dilutions in 700,800,900,1000,1200,1400,1500.
Table 2. vegetable insecticide B prevents and treats cabbage caterpillar control test under variable concentrations
The insecticidal effect of finding out vegetable insecticide B in the table 2 is that 600-1000 average control efficiency doubly is 100%.100%.91.7%.86.3%.80.7%.Working concentration is a 600-1000 above preventive effect doubly in the laxative 3 hours for this reason, specifically uses multiple also can improve from now on for this reason.
Vegetable insecticide A and chemical pesticide comparative trial
Summary: vegetable insecticide A is consistent to the aphid preventive effect with chemical pesticide pyridine worm rice
Purpose: vegetable insecticide A and chemical pesticide comparative trial
Material: vegetable insecticide A, chemical pesticide pyridine worm rice are to aphid
Method: vegetable insecticide A extension rate is 1000 times of liquid, 2000 times in chemical pesticide pyridine worm rice, and 100 dosages of aphid respectively are 15 kilograms/mu of dilutions, the natural death number is looked in the CK water treatment before the medicine.
Table 3 vegetable insecticide A is to the test of aphid
Result of the test shows, vegetable insecticide A and chemical pesticide pyridine worm rice comparing result be to the preventive effect basically identical of aphid, for this reason can relieved use vegetable insecticide A, and working concentration is 1000 times of liquid.
Vegetable insecticide B is to the control efficiency of aphid
Summary: plant kills under 1000 times of concentration of agent B imitates 89% to the average control of aphid
Purpose: vegetable insecticide B is to control of aphids effect and chemical pesticide comparative trial
Material: vegetable insecticide B, contrast medicine pyridine worm rice, aphid
2000 times in method: 1000 times of vegetable insecticide B, pyridine worm rice, 100 of aphids are repeated 15 kilograms/mu of dilutions three times.
Table 4 vegetable insecticide B is to the result of the test of aphid
The insecticidal effect of finding out vegetable insecticide B in the table 4 is 90%, and the insecticidal effect of pyridine worm rice is 90.3%.The result shows the insecticidal effect of vegetable insecticide B and the insecticidal effect basically identical of pyridine worm rice.
Vegetable insecticide A is to the control test of diamond-back moth
Summary: under 1000 times of concentration of vegetable insecticide A to the average preventive effect 93% of diamond-back moth
Purpose: vegetable insecticide A is to the chemical insecticide comparative trial
Test material: vegetable insecticide A, spring are pleased (Avermectin), diamond-back moth
Method: 1000 times of vegetable insecticide A, spring are pleased 1000 times, and water treatment is used in 100 contrasts of diamond-back moth (CK).Dosage respectively is 15 kilograms/mu of 1000 times of dilutions, three repetitions.
Table 5 vegetable insecticide A is to the control test of diamond-back moth
The control efficiency of finding out vegetable insecticide A in the table 5 is 95.3%, and the control efficiency that the spring pleases is 95.7%.This result of the test shows average control efficiency and the chemical pesticide spring happy control efficiency basically identical of vegetable insecticide A to diamond-back moth.Can relieved use vegetable insecticide A.
Vegetable insecticide B is to the control test of diamond-back moth
Summary: the average preventive effect to diamond-back moth under 1000 times of concentration of vegetable insecticide B is 93%.
Purpose: vegetable insecticide B is to the chemical pesticide comparative trial.
Test material: vegetable insecticide B, spring are pleased (Avermectin), diamond-back moth.
Method: 1000 times of vegetable insecticide B, 2% spring are pleased 1000 times, 100 of diamond-back moths, and water treatment is used in contrast (CK), and dosage respectively is 15 kilograms/mu of 1000 times of dilutions, carries out three times and repeats.
Table 6 vegetable insecticide B is to the control test of diamond-back moth
The insecticidal effect of finding out vegetable insecticide B in the table 6 is 93.3%, and the insecticidal effect that the spring pleases is 95.7%.Their difference is 2.4%, and being exactly the insecticidal effect of pleasing in the spring can only be high by 2.4%, so not remarkable.The insecticidal effect that vegetable insecticide B and chemical pesticide spring please is consistent basically.Therefore can use vegetable insecticide B.
The comparative trial of vegetable insecticide A and B
Summary: vegetable insecticide A and B are consistent to the preventive effect of knurl aphid.
Material: 200 of vegetable insecticide A, vegetable insecticide B, knurl aphids.
Method: the diluted concentration of vegetable insecticide A and B respectively is 1000 times, 200 of knurl aphids, and CK is that clear water is handled, and carries out 3 times and repeats, 15/ mu of each 1000 times of dilution of consumption medicine.
The comparative trial of table 7 vegetable insecticide A and B
Find out in the table 7 that the insecticidal effect that plant kills agent A and B is a basically identical.
Vegetable insecticide A and B are to the control test of grandis adults
Summary: vegetable insecticide A and B are more than 90 to the control efficiency of grandis adults.
Purpose: vegetable insecticide A and B are each 1000 times to the control test working concentration of grandis adults.
Material: vegetable insecticide A, vegetable insecticide B chlorine go out water, CK (water), grandis adults.
Go out 1000 times in water of method: 1000 times of vegetable insecticide A, 1000 times of vegetable insecticide B, chlorine, CK is that clear water is handled, 100 of grandis adults, dosage respectively is 15 kilograms/mu of 1000 times of dilutions, repeats for 3 times.
Table 8 vegetable insecticide A and B are to the result of the test of preventing and treating of grandis adults
Result of the test table 8 as can be seen, the insecticidal effect of vegetable insecticide A and B is not less than the go out insecticidal effect of water of chemical pesticide chlorine.The preventive effect of vegetable insecticide A is 91%, and the preventive effect of vegetable insecticide B is 89.7%, and the go out preventive effect of water of chlorine is 89.7%, and the preventive effect of vegetable insecticide A and B reaches more than 90% in a word.
Vegetable insecticide A and B are to two spotted spider mite control test
Summary: vegetable insecticide A and B are more than 90% to the two spotted spider mite insecticidal effect.
Purpose: vegetable insecticide A and B are to the chemical insecticide comparative trial.
Material: vegetable insecticide A, vegetable insecticide B, spring are pleased (Avermectin), two spotted spider mite.
Method: vegetable insecticide A1000 times, vegetable insecticide B1000 times, the spring is pleased 1000 times, 200 of two spotted spider mite, and contrasting is that clear water is handled, dosage respectively is 15 kilograms/mu of 1000 times of dilutions, 3 repetitions.
Table 9 vegetable insecticide A and B are to two spotted spider mite control test
As can be seen, the insecticidal effect of vegetable insecticide A and B respectively is 93% and 91.5% in the table 9, and the insecticidal effect of vegetable insecticide A and B and chemical pesticide basically identical can be used vegetable insecticide A and each 1000 times of use of B.
Vegetable insecticide A and B are to mythimna separata control efficiency comparative trial
Summary: vegetable insecticide A and B are consistent to the preventive effect of mythimna separata.
Purpose: the comparative trial of vegetable insecticide A and B.
Material: vegetable insecticide A, vegetable insecticide B, mythimna separata (three ages).
Method: the diluted concentration of vegetable insecticide A and B respectively is 1000 times, three age 100 of mythimna separatas, CK is that clear water is handled, each 1000 times of dilution 15kg/ mu of dosage.
Table 10 vegetable insecticide A and B are to mythimna separata control efficiency comparative trial
The result shows that the insecticidal effect difference of vegetable insecticide A and B has only 1% in this test, we can say that the insecticidal effect of vegetable insecticide A and B is consistent.
Vegetable insecticide is to the vegetables safety testing
Summary: vegetable insecticide is to the safety of crops.Purpose: vegetable insecticide is to the vegetables safety testing.
Material: vegetable insecticide A
Method: 500 times of liquid of vegetable insecticide A are sprayed, and the contrast clear water is handled, and laxative period is spray in one day on the 1st September 3 times, and being divided into for the first time is points in the mornings 8, is points in the mornings 10 for the second time, is 2 pm for the third time.Each dosage is 65 kilograms/mu of 500 times of dilutions.Contrast also is same processing, observes to September 18, and the result is that 4～5cm has been shone in laxative pre-treatment comparison short.But crossed post processing in 18 days and compared according to height 3.5cm, laxative back Chinese cabbage does not produce poisoning and grows more vigorous on the contrary.This explanation vegetable insecticide is perfectly safe to Chinese cabbage, but promotes the growth of Chinese cabbage.
Show that by above result of the test the insecticidal effect of vegetable insecticide A and B reaches more than 90% in a word.Advantage is: 1, to people, animal safety.2, to the control efficiency height of crops vegetables, fruit tree.3, lower than chemical pesticide cost.4, nonpollution environment, pollution-free crops, noresidue, low toxicity, public nuisance-free agricultural chemicals.
Sum up: the result of the test to insect shows; the insecticidal effect of vegetable insecticide A and B can reach more than 90%; vegetable insecticide A and B economic benefit height; the efficient effect of low toxicity is widely used on pollution-free vegetable and the land for growing field crops uses, urban afforestation and be significant for China's agricultural chemicals industry restructuring environmental protection and green production.
Claims (6)
1, a vegetative insecticide, by plant material kuh-seng, black false hellebore, lilac daphne each through alcohol immersion, squeeze and filter, extraction, crystallization, get kuh-seng, black false hellebore, three kinds of alkaloids of lilac daphne and three kinds of discarded liquid, wherein, part by weight by matrine 0.05-5%, jervine 0.05-3%, lilac daphne alkali 0.05-3% is made into missible oil, makes insecticide A; Each warp of described three kinds of discarded liquid concentrates, and presses the part by weight compounded cream of kuh-seng concentrate 3～9.6%, black false hellebore concentrate 3～9.6%, lilac daphne concentrate 3～9.6%, makes insecticide B.
2, a vegetative insecticide according to claim 1 is characterized in that described insecticide A is made up of matrine 0.809%, jervine 0.269%, lilac daphne alkali 0.269%, emulsifier FQC-411.21%, kerosene 78.475%, Tween-40 8.968% substantially.
3, a vegetative insecticide according to claim 2 is characterized in that also including 0.5% sesame oil among the described insecticide A.
4, a vegetative insecticide according to claim 1 is characterized in that described insecticide B is made up of kuh-seng concentrate 0.83%, black false hellebore concentrate 0.83%, lilac daphne concentrate 0.83%, emulsifier FQC-4 12.5%, kerosene 75.01%, Tween-40 10% substantially.
5, a vegetative insecticide according to claim 4 is characterized in that also including 0.5% sesame oil among the described insecticide B.
6, the preparation method of a vegetative insecticide may further comprise the steps:
A, get vegetable raw material kuh-seng, black false hellebore, lilac daphne respectively and pulverize, each raw material and ethanol are soaked in by 1: 3 part by weight in 70% the ethanol, soak 24 hours, squeeze, filter and remove residue, must three kinds of filtrates;
B, reclaim ethanol, then with three kinds of filtrates respectively with diluted acid water-solublely separate, placement, filtering insoluble matter, after the filtrate furnishing alkalescence again with chloroform or ether lipophilicity organic solvent extraction, the recovery organic solvent get final product three kinds of total alkaloids;
C, separate out crystallization with ethanol or acetone organic solvent then, reclaim organic solvent;
D, crystallization, the discarded liquid after kuh-seng, black false hellebore, three kinds of alkaloids of lilac daphne and kuh-seng, black false hellebore, three kinds of crystallizations of lilac daphne;
F, preparation: the part by weight by matrine 0.05-5%, jervine 0.05-3%, lilac daphne alkali 0.05-3% is made into missible oil, makes insecticide A; Each warp of described three kinds of discarded liquid concentrates, and the proportion that concentrates is 1.067～1.10, presses the part by weight compounded cream of kuh-seng concentrate 3～9.6%, black false hellebore concentrate 3～9.6%, lilac daphne concentrate 3～9.6%, makes insecticide B.
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| CNB2006101708022A CN100444735C (en) | 2006-12-25 | 2006-12-25 | Plant insecticide and its preparing method |
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| CN2008101460666A Division CN101336648B (en) | 2006-12-25 | 2006-12-25 | Plant insecticide and its preparing method |
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| CN103651633B (en) * | 2013-12-27 | 2015-04-15 | 成都新朝阳作物科学有限公司 | Pesticide composition containing lightyellow sophora root and veratrum nigrum extracts, and preparation method and application thereof |
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