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CN102090406A - Application of rotenone to preparation of termite insecticide capable of killing termites effectively - Google Patents

Application of rotenone to preparation of termite insecticide capable of killing termites effectively Download PDF

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Publication number
CN102090406A
CN102090406A CN2009102011461A CN200910201146A CN102090406A CN 102090406 A CN102090406 A CN 102090406A CN 2009102011461 A CN2009102011461 A CN 2009102011461A CN 200910201146 A CN200910201146 A CN 200910201146A CN 102090406 A CN102090406 A CN 102090406A
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rotenone
termite
group
sumicidin
application
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CN2009102011461A
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陈力铭
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Shanghai Shangde Experimental School
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Shanghai Shangde Experimental School
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Abstract

The invention relates to novel application of a substance, in particular to application of rotenone to preparation of a termite insecticide capable of killing termites effectively, wherein the weight of the rotenone in the termite insecticide is 1-20mg/L. Additives are surfactants, pyrogallic acid, water and the like. The termite insecticide provided in the invention is environment-friendly and safe for people and livestock and has favorable toxic effect and remarkable contact insecticidal action.

Description

The application of rotenone in preparing the termite poisoning agent that effectively to kill termite
Technical field:
The present invention relates to a kind of new purposes of material, be specifically related to the application of rotenone in preparing the termite poisoning agent that effectively to kill termite.
Background technology:
Termite is as one of worldwide five major pests, seriously invading and harassing the eating of people, wears, lives, OK.As everyone knows, termite is the building insect, and they are startling especially to the harm that urban architecture causes.The economic loss of being brought and the destruction of cultural assets also allow the people shake.Along with reconstruction of the old city town, a large amount of old houses are split, destroyed the institute of termite perch, and large quantities of termites seek new habitat and the gesture that causes private residence, street tree to be subjected to the invasion and attack harm of termite again and again and have wildness day by day to spread.But hypertoxic chemical pesticide is mostly used in domestic control to termite at present.And " mirex " of domestic main control termites and " Niran " have now been forbidden by the world, and it is extremely urgent to seek the novel environment friendly agricultural chemicals.
Rotenone is present in the root skin zone of plant widely, is the very strong material of a kind of specificity on toxicology, and insect especially cabbage caterpillar, diamond-back moth and aphid are had strong tagging and two kinds of effects of stomach toxicity.The early stage mechanism of action that studies show that rotenone mainly is the respiration that influences insect, mainly be and nadh dehydrogenase and ubiquinone between a certain composition have an effect.Rotenone is suppressed the electron transport chain of insect cell, thereby the ATP level that reduces in the organism finally makes insect can not get the energy supply, then drumble, paralysis and slowly dead.Though rotenone is known to the toxic action of cabbage caterpillar, diamond-back moth and aphid, up to the present, also be not used to control termites.
Summary of the invention:
Technical problem to be solved by this invention provides the application of rotenone in preparing the termite poisoning agent that can effectively kill termite, to solve " mirex " and " Niran " problem of environment pollution caused of existing control termites.
Described application, the weight of rotenone is 1-20mg in wherein every hydrargyrum oxydatum crudum agent.Be preferably 1-10mg.1-5mg more preferably.Further be preferably 1-2.5mg.
Termite poisoning agent of the present invention is better than the chemical pesticide sumicidin, has good toxic effect, action of contace poison is remarkable, and toxicity is little, safe, to the person poultry safety.The medicine source plant resource of termite poisoning agent of the present invention is widely distributed, and growth rapidly.And because the easy photodissociation of rotenone, easily oxidation Decomposition is the compound of nontoxic or low toxicity in air, residence time weak point in environment, environmentally safe.Simultaneously, the time that insect contacts with it is short, has also reduced the chance that insect develops immunity to drugs.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete example, further set forth the present invention.
The preparation of embodiment 1 medicament of the present invention
Adopt surfactant (technical grade) (MP-10P), rotenone (white crystalline powder), pyrogallic acid (triphenol) and water prepares rotenone water emulsion, each constituent mass such as following table 1:
Table 1 rotenone water emulsion prepares required medicine and each mass distribution table
Nomenclature of drug MP-10P Rotenone Pyrogallic acid Water
Required quality 2.5766g 2.5611g 2.1742g 65g
Get required medicine on electronic balance, claim required quality, put into the beaker medicine that is dissolved in water.Beaker is put into the time constant-temperature magnetic stirrer stir, about 20min.At last medicament is placed on high shear and disperses emulsion to carry out last stirring, about 45min finishes the preparation of medicament.The pH value of the rotenone water emulsion of being prepared is 4.5.
Get the aqueous emulsion that contains 3.5% rotenone that configures in right amount, add entry, make that soup (rotenone) concentration is 1mg/L.
The preparation of embodiment 2 cloud chrysanthemum medicaments
With cloud chrysanthemum (5% natural pyrethrin cream), the Shanghai biopesticide detects institute and provides, and adds an amount of water and is mixed with that to measure liquor strength be 1mg/L.
The preparation of embodiment 3 kuh-seng medicaments
With aqueous matrine solution (0.5%) (claiming green space again), the Shanghai biopesticide detects institute and provides, and adds an amount of water and is mixed with that to measure concentration be 1mg/L.
Embodiment 4 compares the desinsection drug effect with medicine based on herbs
The test termite is from insect museum (raising 2 years), and the feeding environment temperature is controlled at 24~27 ℃, and relative moisture is controlled at 75%~80%.Termite is fed with pine, and the water source is provided, lucifuge.
Get each 120 of Shanghai coptotermes formosanus and eastern subterranean termites, be divided into control group, rotenone group, kuh-seng group, Yun Ju group.According to medicine embrane method, with pipette the medicament 0.5ml for preparing among the embodiment 1-3 is dripped on filter paper, form even medicine film, put into clean culture dish after drying naturally, drip the 1ml redistilled water on the filter paper, each drops into 30 termites; Termite is stayed breeding observing in the culture dish.
Time recording termite rate of knockdown and death toll are until whole death.Calculate termite killing time of 50(KT50) and half death time.With the soup of isoconcentration to the termite effect after, killing time of 50(KT50) and killing time of 50(KT50) are short more, this pesticide efficacy is good more.
Plant source pesticide rotenone, Yun Ju, kuh-seng the results are shown in following table 2 to the insecticidal action of Shanghai coptotermes formosanus and eastern subterranean termite:
The comparing result that table 2 rotenone, Yun Ju, kuh-seng are imitated the termite insecticide
Figure G2009102011461D00031
From last table as seen, plant source pesticide rotenone, kuh-seng, cloud chrysanthemum can both kill termite.But relatively behind killing time of 50(KT50) and the LD50 time, we find: the desinsection drug effect of rotenone is obviously good than cloud chrysanthemum and kuh-seng.
Embodiment 4 compares the desinsection drug effect with organic agricultural chemicals
Preparation rotenone and sumicidin (chemical pesticide, 5% missible oil) medicament make liquor strength be respectively high concentration 20mg/L, 10mg/L, 5mg/L, 2.5mg/L, 1mg/L.
Get each 1250 of Shanghai coptotermes formosanus and Huang Xiong reticulitermes flavipes, be divided in control group (0mg/L), rotenone high dose group (20mg/L), rotenone high dose group (10mg/L), the rotenone dosage group (2.5mg/L), rotenone low dose group (1mg/L) in dosage group (5mg/L), the rotenone.Sumicidin high dose group (20mg/L), sumicidin high dose group (10mg/L), dosage group (2.5mg/L) in dosage group (5mg/L), the sumicidin in the sumicidin, sumicidin low dose group (1mg/L).
Every group is dropped into 30 termites, termite is continued to stay breeding observing in the former culture dish.If 3 repetitions.
According to medicine embrane method, pipette soup 0.5ml with pipette, drip on filter paper, form even medicine film, put into clean culture dish after drying naturally, drip the 1ml redistilled water on the filter paper, drop into 30 termites; Termite is continued to stay breeding observing in the former culture dish.Time recording termite rate of knockdown and death toll the results are shown in following table 3 and table 4:
Table 3 rotenone and sumicidin are to the influence of Shanghai coptotermes formosanus
Figure G2009102011461D00041
Table 4 rotenone and sumicidin are to the influence of eastern subterranean termite
Figure G2009102011461D00051
From table 3 and table 4 as seen, rotenone and sumicidin to the termite effect after, the half lethal time and the time of partly knocking down shorten along with the increase gradually of pesticide concentration.Integrate and see, relatively rotenone and sumicidin are to the drug effect of coptotermes formosanus and eastern subterranean termite, both drug effect there was no significant differences (p>0.05).
Embodiment 5 termites are to the indoor virulence transmission of rotenone medicament
Transmit the method for testing of medicament according to contact, rotenone (2% aqueous emulsion) adds an amount of water, and to be mixed with concentration be behind 1% the medicament, to pipette the 1ml soup with pipette, evenly drips on filter paper, puts into culture dish after drying naturally, 50 of input termites.
Be mixed with the pulvis of experimental concentration with talcum powder after, get 15mg, in culture dish, evenly spray, drop into 50 of termites in the culture dish in advance, make and be stained with pulvis on the termite health uniformly.The termite that will occupy pulvis then moves in the culture dish of a cleaning, and the culture dish bottom is covered with filter paper.With dripping the 1ml redistilled water on the filter paper after the said method processing, observe.When the termite that is moved into another termite culture dish knock down and dead individual sum also reach drop into the termite sum 20% the time, shift out 8 termites alive again, drop into the culture dish that another is placed with 50 termites in advance.So repeatable operation until being moved into termite lethality<90%, finishes test.
If blank is established 3 repetitions.The record termite is knocked down number or death toll, the results are shown in Table 5:
Table 5 termite is transmitted test result to the agricultural chemicals indoor virulence
Group Killing time of 50(KT50) (min) LD50 time (min) Dead quantity (head)
Control group (0%) Do not have Do not have Do not have
First group (dropping in advance) 7.21±0.16 15.22±0.48 8
Second group 15.01±0.44 20.12±0.49 8
The result shows: effective virulence degree of transitivity 〉=1 time proves to have the virulence transmission effect.
Embodiment 6 rotenone are to the mensuration of animal poisoning
Reference example 4 preparation rotenone and sumicidin medicaments.
Employing is available from totally 70 of cleaning level 20 age in days ICR heros, the female mices (each 35) of Shanghai Slac Experimental Animal Co., Ltd. (credit number SCXX (Shanghai) 2003-0003), average weight 18 grams.Adapt to after 5 days and be divided into dosage group (1g/ml), sumicidin low dose group (0.1g/mg), sumicidin low dose group (0.01g/ml), sumicidin skin contact group (0.1mg/L) in normal group (0g/ml), rotenone low dose group (0.1g/ml), rotenone low dose group (0.01g/ml), rotenone skin contact group (0.1g/ml), the sumicidin at random by body weight.Every group 8, each organizes initial body weight there was no significant difference.Each organizes equal ad lib, water inlet.Except that normal group, all the other each groups all experimentize by the following method:
A) administration by gavage
Be decided to be rotenone (0.1g/ml, 0.01g/ml) group, sumicidin (1g/ml, 0.1g/ml, 0.01g/ml) group according to experiment test concentration, establish blank.Behind every day every mice lavage 1ml medicament, observed result after 24 hours.As the mensuration of chronic murder by poisoning, observed continuously 14 days, observe its body weight and have or not decline, get the food situation, and other physiological reactions (breathing, heartbeat, stool and urine etc.).
B) skin contact toxicity determination method
Embrocate the solvent (concentration is 0.1g/ml) of medicament on skin of abdomen, embrocate area and be generally 1 square inch, observe its poisoning sign (breathing, heartbeat etc.), skin is embrocated the reflection at position and is caused the dead time, the results are shown in Table 6:
Table 6 rotenone and sumicidin are to the influence of small white mouse body weight
Group 1d(g) 7d(g) 14d(g) Dead quantity (head)
Normal group (0g/ml) 18.41±0.16 29.31±0.31 34.63±0.28 Do not have
Rotenone group (0.1g/ml) 18.31±0.23 24.25±0.18 28.06±0.15 Do not have
Rotenone group (0.01g/ml) 18.35±0.18 27.39±0.35 31.02±0.45 Do not have
Rotenone skin group (0.1g/ml) 19.16±0.52 29.23±0.49 34.08±0.51 Do not have
Sumicidin group (1g/ml) 18.57±0.21 Do not have
Sumicidin group (0.1g/ml) 19.07±0.31 22.82±0.22 26.85±0.24 Do not have
Sumicidin group (0.01g/ml) 19.06±0.16 23.07±0.21 27.31±0.02 Do not have
Sumicidin skin group (0.1g/ml) 19.13±0.11 24.01±0.11 28.72±0.21 Do not have
As seen from Table 1, sumicidin group mouse body weight obviously descends (p<0.05) than normal group mouse body weight really, and sumicidin is respectively organized mouse weight ratio rotenone and respectively organized the mouse body weight significant difference (p<0.05) is arranged.Wherein rotenone skin group (0.1g/ml) does not have significant difference (p>0.05) though the mouse body weight also has decline scope with normal group.
Experimental result shows that plant source pesticide rotenone is better than the chemical pesticide sumicidin, environmental protection and safety.Sumicidin toxicity is big, to animal and even the bigger toxicity of human body.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (5)

1. the application of rotenone in preparing the termite poisoning agent that effectively to kill termite.
2. application as claimed in claim 1 is characterized in that: the weight of rotenone is 1-20mg in every hydrargyrum oxydatum crudum agent.
3. application according to claim 2 is characterized in that: the weight of rotenone is 1-10mg in every hydrargyrum oxydatum crudum agent.
4. application according to claim 3 is characterized in that: the weight of rotenone is 1-5mg in every hydrargyrum oxydatum crudum agent.
5. application according to claim 4 is characterized in that: the weight of rotenone is 1-2.5mg in every hydrargyrum oxydatum crudum agent.
CN2009102011461A 2009-12-15 2009-12-15 Application of rotenone to preparation of termite insecticide capable of killing termites effectively Pending CN102090406A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103125499A (en) * 2011-11-30 2013-06-05 中国人民解放军疾病预防控制所 Repellent of snakes, scorpions and centipedes
CN106942304A (en) * 2017-04-11 2017-07-14 安徽省明美矿物化工有限公司 A kind of concave convex rod ant killing agent and preparation method thereof
CN107467081A (en) * 2017-08-28 2017-12-15 广西壮族自治区农业科学院植物保护研究所 A kind of plant source kills ant pulvis and preparation method thereof
CN113057180A (en) * 2021-04-13 2021-07-02 万一 Herbal insect-resist agent

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103125499A (en) * 2011-11-30 2013-06-05 中国人民解放军疾病预防控制所 Repellent of snakes, scorpions and centipedes
CN106942304A (en) * 2017-04-11 2017-07-14 安徽省明美矿物化工有限公司 A kind of concave convex rod ant killing agent and preparation method thereof
CN107467081A (en) * 2017-08-28 2017-12-15 广西壮族自治区农业科学院植物保护研究所 A kind of plant source kills ant pulvis and preparation method thereof
CN113057180A (en) * 2021-04-13 2021-07-02 万一 Herbal insect-resist agent

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Application publication date: 20110615