CN106719739A - A kind of composition pesticide and its application - Google Patents
A kind of composition pesticide and its application Download PDFInfo
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- CN106719739A CN106719739A CN201611042772.7A CN201611042772A CN106719739A CN 106719739 A CN106719739 A CN 106719739A CN 201611042772 A CN201611042772 A CN 201611042772A CN 106719739 A CN106719739 A CN 106719739A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M17/00—Apparatus for the destruction of vermin in soil or in foodstuffs
- A01M17/002—Injection of toxic gases or fluids into the soil
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N29/00—Biocides, pest repellants or attractants, or plant growth regulators containing halogenated hydrocarbons
- A01N29/02—Acyclic compounds or compounds containing halogen attached to an aliphatic side-chain of a cycloaliphatic ring system
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N41/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
- A01N41/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom not containing sulfur-to-oxygen bonds, e.g. polysulfides
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- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Soil Sciences (AREA)
- Food Science & Technology (AREA)
- Insects & Arthropods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of composition pesticide and its application.Its active component is 1,3 dichloropropylenes, DMDS and chloropicrin.Said composition is applied to soil disinfection before the kinds of the crop fields such as vegetables, strawberry, flowers, melon, nursery, orchard, tea place, forest, Chinese herbal medicine, root-knot nematode, soil-borne disease fungal pathogenses, soil-borne disease indigenous bacteria and Common Farmland Weeds, especially SCN, sickle-like bacteria and the lady's-grass occurred in preventing and treating agricultural crops plantation can effectively be prevented and kill off.Composition pesticide of the invention shows unexpected synergistic effect in certain ratio range, the kill nematode, sterilized and herbicidal effect of composition are significantly improved than single dose, dosage, dispenser recruitment and the cost of agricultural chemicals are reduced simultaneously, also reduce the harmful effect to environment and residues of pesticides.
Description
Technical field
The invention belongs to preparation technique of pesticide field, and in particular to 1,3- of one kind dichloropropylenes, DMDS and chlorination
The compound composition pesticide of hardship and its application.
Background technology
Nearly ten years, with the adjustment of agricultural planting structure, Protectorate cultivation has in China and develops by leaps and bounds.The whole nation is protected
Shield ground area is more than 2,000,000 hectares.And Protectorate cultivation is increased farmers' income in China as one, from traditional agriculture to existing
One Important Agricultural measure of generation agricultural transformation, will continue to develop in future, and the crop of cultivation is also by by current vegetables, strawberry
Develop to the direction such as flowers, melon, fruit tree, nursery, Chinese herbal medicine.The development of protecting field is also root-knot nematode, soil-borne disease and miscellaneous
The generation of grass, development provide suitable environment, and after generally planting 3~5 years, the yield and quality of crop is subject to serious shadow
Ring, the general underproduction 20~40%, Severe Reduction more than 60% even has no harvest.As the continuation development of protecting field and high added value are made
The cultivation year after year of thing, the problem of root-knot nematode, soil-borne disease and weeds will be protruded increasingly, and will be as serious restriction protecting field
The key factor of development.Investigated on Shandong, Jiangsu, Liaoning, Hebei, Zhejiang, Henan and other places according to inventor, root-knot nematode, soil are passed
The harm of disease and weeds has turned into the outstanding problem in Protectorate cultivation.Because without effectively preventing method, peasant largely makes
Root-knot nematode, soil-borne disease and weeds are prevented and treated with the medicament (such as Aldicarb, carbofuran, thimet, mercurial) of country's disabling
Deng the life and health of serious harm people.Because protecting field investment is big, some process times are long, need the crop rotation time more long
Method is difficult to carry out in greenhouse, it is also difficult to received by peasant.And soil chemistry disinfection technology is increasingly becoming current guarantor before planting
One of one preferred technique of shield ground agriculture plant protection.
1,3- dichloropropylene (1,3-D) is a kind of colourless liquid, and toxicity is medium.- 84 DEG C of fusing point, 108 DEG C of boiling point, proportion：
1.22 (20 DEG C), it is water insoluble, it is dissolved in the majority organic solvent such as ethanol, ether, benzene.1,3-D is a kind of excellent nematicide,
Subterranean pest-insects to some effectively, it is but very limited to the inhibitory action of some weeds and disease fungus simultaneously.
DMDS (DMDS) is a kind of light yellow transparent liquid, foul smelling, -85 DEG C of fusing point, 109.7 DEG C of boiling point, than
Weight：1.065 (20 DEG C), refractive index 1.5250 can be dissolved in alcohol, ether, water insoluble.DMDS has work very high to various nematodes
Property, but DMDS has very big difference to the activity of different soil-borne disease fungal pathogenses, and effect is not ideal enough.Applied before applicant
Patent (application number：201310184564.0) line, sterilization, activity of weeding are killed to the interior of DMDS to be evaluated, and are tied
Fruit finds that DMDS belongs to fungi to Meloidogyne incognita, reaping hook and has certain preventive effect, but to Phytophthora fungi and piemarker
It is poor with lady's-grass preventive effect.
Chloropicrin (Pic) is a kind of colourless or slightly yellow oily liquids, with strong tearing property, -64 DEG C of fusing point, boiling point
112 DEG C, proportion：1.69 (20 DEG C), can be dissolved in the majority organic solvent such as alcohol, benzene, water insoluble.It is former to most soil-borne diseases true
Bacterium, soil-borne disease indigenous bacteria and some subterranean pest-insects have good preventive effect, but general to the activity of the nematode in soil and weeds.
The content of the invention
The present invention is in the crops such as current vegetables, strawberry, flowers, melon, nursery, orchard, tea place, forest or Chinese herbal medicine
Easy raw root-knot nematode, soil-borne disease and weeds, and the problem eradicated is difficult to, propose a kind of composition pesticide.
The present invention also aims to provide a kind of application of composition pesticide.
A kind of composition pesticide, its active component is 1,3- dichloropropylenes, DMDS and chloropicrin.1, the 3- bis-
Chloropropene, DMDS and the preferred weight ratio of chloropicrin are 1：4：1 and 1：4：2.
It can with agriculturally acceptable auxiliary agent be made capsule preparations, missible oil, aqueous emulsion, sustained-release granular formulation, granule,
Tablet.
Above-mentioned composition pesticide is former very for preventing and treating the soil-borne disease original nematode occurred in agricultural crops plantation, soil-borne disease
The purposes of bacterium, soil-borne disease indigenous bacteria and farmland weed.
Described soil-borne disease original nematode is Tylenchida category, Meloidogyne, Heterodera, Tylenchorhynchus, short body
Turbatrix, the Turbatrix that spirals, helix Eimeria, peltate Turbatrix, kidney shape turbatrix, true Aphelenchoides, minute hand Turbatrix, sword
Turbatrix, one or more in burr Turbatrix.
Described disease fungus be Fusarium, phytophthora, rotten mold genus, Verticillium dahliae category in one kind or one kind with
On.
The pathogenetic bacteria is one or more in blue or green withered Raul Salmonella, erwinia.
Described weeds be lady's-grass, eleusine indica, green bristlegrass, barnyard grass, amur foxtail, wild oat, the rhizome of nutgrass flatsedge, dayflower, piemarker,
Clearvers, black nightshade, ivy glorybind, field bindweed, acalypha copperleaf, Descurainia sophia, ox chickweed, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters,
One or more in small lamb's-quarters, chenopodium glaucum linn, summer cypress, pale persicaria, Drilgrass, Eupatorium adenophorum, Mikania micrantha.
The crop is vegetables, strawberry, flowers, melon, nursery, orchard, tea place, forest or Chinese herbal medicine.
The application process of above-mentioned composition pesticide, is carried out in accordance with the following steps：
(1) first by soil deep tillage 25-35cm；
(2) soil uniformly and then by composition pesticide is applied to, depth is 20-30cm, it is also possible to will respectively contain 1,3-
The single dose order dispenser of dichloropropylene, DMDS and chloropicrin；
(3) it is last, using it is counter bury method overlay film it is stifling 2-4 week after, spacious gas 3-12 days, by Seed Germination Test qualitative judgement
After medicament residual, you can planting plants.
Compared with prior art, the present invention has the advantages that：Composition pesticide of the invention is in certain proportioning model
Show unexpected synergistic effect in enclosing, the kill nematode, sterilized and herbicidal effect of composition have than single dose and substantially carry
Height, while reducing the dosage of agricultural chemicals, dispenser recruitment and cost, also reduces residual to the harmful effect of environment and agricultural chemicals
Stay.
Specific embodiment
Specific embodiment of the invention is described in detail below, it is to be understood that protection scope of the present invention is not
Limited by specific embodiment.
Present invention applicant's discovery, 1,3- dichloropropylene, DMDS and chlorine in the synergism screening of fumigant
Change bitter compounding, have significant synergistic effect to nematode, main soil-borne pathogen and common farmland weed, especially cyst line
Worm, sickle-like bacteria and lady's-grass.
The present composition, for active component, will contain active ingredient with 1,3- dichloropropylenes, DMDS and chloropicrin
The active compound of 1,3- dichloropropylene, DMDS and chloropicrin is made agriculturally available any formulation with appropriate auxiliary material；This
The fumigant composition for providing is provided, can be according to crop, local environment condition, prevention and controls, cost accounting prevented and treated etc.
All kinds of factors, preferred dosage form is capsule preparations, missible oil, aqueous emulsion, sustained-release granular formulation, liquor, granule, tablet.
Auxiliary material in the present composition includes solvent, emulsifying agent, stabilizer, antifreezing agent, adsorbent, binder, helps stream
Dynamic agent, lubricant, anti stickness agent, disintegrant, excipient, filler and other be beneficial to active ingredient and stablize in the formulation and drug effect
The known substance of performance, selects different auxiliary material to be configured to corresponding formulation as needed.Above-mentioned auxiliary material be all in pesticidal preparations often
The various composition for allowing to use seen, is not particularly limited.
The processing technology of the various preparations of the present composition, is prepared using known method, is Pesticide formulation technique
In commonly use method.
Composition described in the invention can be provided in finished product preparation form, i.e., each material is blended in composition, group
The composition of compound can also be provided with unit dose form, directly directly be mixed in bucket or tank using preceding, dense needed for being then diluted to
Degree.
Processing following from combination dosage form, composition toxicity are evaluated and three portions such as composition field efficiency test
Point, and the present invention will be further described in conjunction with specific embodiments.
The processing of combination dosage form
Embodiment 1
By active component, (active compound refers to 1,3- dichloropropylenes, DMDS and chloropicrin in present specification, below no longer
Repeat), various auxiliary agents etc. be sufficiently mixed, be configured to missible oil.Such as following formula：
Embodiment 2
By active compound, (active compound refers to 1,3- dichloropropylenes, DMDS and chloropicrin in present specification, no longer goes to live in the household of one's in-laws on getting married below
State), various auxiliary agents etc. be sufficiently mixed, be configured to liquor.Such as following formula：
Embodiment 3
The present composition can be processed as sustained-release granular formulation.Such as following formula：
The preparation method of sustained-release granular formulation of the invention, comprises the following steps：
A, prepare active compound and each auxiliary agent according to above-mentioned percentage by weight, and active compound is well mixed with stabilizer, obtain
Active ingredient；
B, the active ingredient is sprayed onto on the granule inert carrier and stirred, then stood 1-2
Hour；
C, by the coating agent heating melting after, be sprayed at the surface of the particulate inert carrier, wrapped up
Get up, obtain sustained-release granular formulation of the invention.
Embodiment 4
The present composition can be processed as capsule preparations.Such as following formula：
Specific preparation method of the invention is：After two kinds of active ingredients are mixed first, granulator is reinstalled, then with standard
The coating material got ready is pelletized according to the capsules weight for designing, then dry solidification, quality inspection, finished product.
Composition toxicity is evaluated
The medicament that the present embodiment is used for：
92%1,3- dichloropropylene missible oil (laboratory self-control), abbreviation：1,3-D；
95% DMDS missible oil (laboratory self-control), abbreviation：DMDS；
96% chloropicrin missible oil (laboratory self-control), abbreviation：Pic；
90%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 15%, DMDS content
60%, chloropicrin content 15%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (1:4:1)；
91%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 13%, DMDS content
52%, chloropicrin content 26%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (1:4:2)；
90%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 9%, DMDS content
72%, chloropicrin content 9%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (1:8:1)；
88%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 8%, DMDS content
64%, chloropicrin content 16%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (1:8:2)；
91%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 26%, DMDS content
52%, chloropicrin content 13%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (2:4:1)；
88%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 22%, DMDS content
44%, chloropicrin content 22%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (1:2:1)；
88%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloropropylenes 16%, DMDS content
64%, chloropicrin content 8%) missible oil (laboratory self-control), abbreviation：1,3-D+DMDS+Pic (2:8:1).
It is for examination soil sample：
Soil sample picks up from Beijing Shunyi cucumber with uprooting plants after their edible portions have been harvested, and long-term nematode and disease occur seriously, to take topsoil in interior
After adding the culture such as blue or green withered Raul Salmonella of pure culture 2 weeks, 2mm sieves are crossed, mixed standby.Through analysis, soil moisture content (water：It is dry
Soil) it is 19.38%, pH6.4, soil organic matter content 31.5g/kg, NH4 +- N 3.3mg/kg, NO3 -- N 51.2mg/kg, have
Effect phosphorus 557.0mg/kg, available potassium 969.3mg/kg, belong to sandy loam.
Evaluation index and method are：
Meloidogyne Meloidogyne spp., using sucrose Centrifugal Flotation method；
Heterodera Heterodera spp., using modified Baermann funnel method；
Fusarium Fusarium spp., are separated using Komada methods；
Phytophthora Phytophthora spp., are separated using Masago methods；
Blue or green withered Raul Salmonella Ralstonia solanacarum, are separated using Kelman methods；
Piemarker Abutilon theophrasti, it is long using vernier caliper measurement bud；
Lady's-grass Digitaria sanguinalis, it is long using vernier caliper measurement bud；
Nutgrass flatsedge Cyperus rotundus, it is long using vernier caliper measurement bud.
Test method
1st, dose is set
Following 15 test process are separately designed by medicament (active ingredient) and soil quality ratio：
2nd, process of the test
Ready soil sample before 1000g is weighed, is put into 3.5L driers.The piemarker of each treatment difference program request vernalization
15, numb seed, 15, lady's-grass seed and 15, nutgrass flatsedge seed, then accurately pipette medicament with liquid-transfering gun respectively.Smoked at 25 DEG C
Steam 5d.Gas 1d is opened after stifling end, nematode and soil-borne pathogen is then peeled off, while the bud for measuring weeds is long.And blank is set
Treatment, each 3 repetition for the treatment of.
3rd, computational methods
Nematode survival rate and corrected mortality are calculated with following formula：
Survival rate %=100 × keep nematode number/total borer population of confession examination
Corrected mortality %=100 × (the treatment death rate-control death rate)/(1- compares the death rate)
Pathogen inhibiting rate is calculated with following formula：
Inhibiting rate %=100 × (check plot pathogen quantity-chemicals treatment district pathogen quantity)/check plot pathogen number
Amount
Weeds inhibiting rate is calculated with following formula：
Inhibiting rate %=100 × (blank weeds bud long-chemicals treatment weeds bud long)/blank weeds bud is long
Corrected survival rate (/ amount) is calculated according to Colby methods (1966) formula and is compared with the corrected survival rate (/ amount) of actual measurement
Compared with, simply and effectively evaluate mixture synergy effect.Computing formula is：
E=X1×X2…×Xn/100(n-1)
E is the Theoretical Correction survival rate (/ amount) of mixture；N is the quantity of mixed medicament；X1Represent after applying the 1st kind of medicament
Corrected survival rate (/ amount)；X2Represent the corrected survival rate after applying the 2nd kind of pharmaceutical agent (/ amount)；XnRepresent and apply n medicine
Corrected survival rate (/ amount) after agent.When the actual corrected survival rate of mixture (/ amount) is more than Theoretical Correction survival rate (/ amount), represent
Antagonism；When the actual corrected survival rate of mixture (/ amount) is less than Theoretical Correction survival rate (/ amount), synergy is represented.
4th, measurement result
To the effect of nematode
Effect of the ternary composition of the different proportion of table 1 to nematode
As it can be seen from table 18 kinds of mixtures of different proportion of 1,3- dichloropropylene, DMDS and chloropicrin are to two
Plant nematode and do not show antagonism.8 kinds of mixtures of different proportion to root-knot nematode corrected survival rate below 4%, i.e.,
Corrected mortality is above 96%；Except 1,3-D+DMDS+Pic (2:4:1) 70 (20+40+10) treatment neither synergy and not antagonism
Outward, remaining shows synergistic effect, wherein 1,3-D+DMDS+Pic (1:4:1) 60 (10+40+10) treatment increases to root-knot nematode
Effect effect is most notable, and 1,3-D+DMDS+Pic (1:4:2) 70 (10+40+20) treatment is taken second place.8 kinds of mixtures of different proportion are to born of the same parents
Below 8%, i.e., corrected mortality is above 92% to capsule nematode corrected mortality corrected survival rate；Except 1,3-D+DMDS+Pic
(2:4:1) 70 (20+40+10) treatment, 1,3-D+DMDS+Pic (2:8:1) 110 (20+80+10) treatment and 1,3-D+DMDS+
Pic(1:4:1) again not outside antagonism, remaining shows synergistic effect, wherein 1,3-D+ for 120 (20+80+20) treatment neither synergy
DMDS+Pic(1:4:1) 60 (10+40+10) treatment is most notable to SCN synergistic effect, and 1,3-D+DMDS+Pic (1:4:2)
70 (10+40+20) treatment is taken second place.
To the effect of main soil-borne pathogen
Effect of the ternary composition of the different proportion of table 2 to soil-borne pathogen
From table 2 it can be seen that 8 kinds of mixtures of different proportion of 1,3- dichloropropylene, DMDS and chloropicrin are to sickle
Knife bacterium, phytophthora and Ralstonia solanacearum show synergistic effect.8 kinds of mixtures of different proportion exist to sickle-like bacteria corrected survival rate
Less than 12%, that is, correct inhibiting rate and be above 88%, wherein 1,3-D+DMDS+Pic (1:4:1) 60 (10+40+10) treatment is to sickle
Knife bacterium synergistic effect is most notable；8 kinds of mixtures of different proportion are corrected below 31%, that is, to phytophthora corrected survival rate and suppressed
Rate is above 69%, wherein 1,3-D+DMDS+Pic (1:4:1) 60 (10+40+10) treatment is most notable to phytophthora synergistic effect；
8 kinds of mixtures of different proportion correct inhibiting rate and are above 58% to Ralstonia solanacearum corrected survival rate below 42%, that is, wherein 1,
3-D+DMDS+Pic(1:4:2) 70 (10+40+20) treatment is most notable to Ralstonia solanacearum synergistic effect.
To two kinds of effects of main weeds in field
Effect of the ternary composition of the different proportion of table 3 to main weeds in field
As can be seen from Table 3,8 kinds of mixtures pair of different proportion of 1,3- dichloropropylenes, DMDS and chloropicrin
Piemarker, lady's-grass and nutgrass flatsedge do not show antagonism.8 kinds of mixtures of different proportion to piemarker correction growth rate 12% with
Under, that is, correct inhibiting rate and be above 88%, wherein 1,3-D+DMDS+Pic (1:4:2) 70 (10+40+20) treatment is to piemarker synergy
Effect is most notable, and 1,3-D+DMDS+Pic (1:4:1) 60 (10+40+10) treatment is taken second place；8 kinds of mixtures of different proportion are to lady's-grass
Correction growth rate corrects inhibiting rate and is above 89% below 11%, that is, wherein 1,3-D+DMDS+Pic (1:4:2)70(10+
40+20) process most notable to lady's-grass synergistic effect, 1,3-D+DMDS+Pic (1:4:1) 60 (10+40+10) treatment is taken second place；8 kinds
The mixture of different proportion corrects growth rate to nutgrass flatsedge below 41%, i.e. correction inhibiting rate is above 59%, wherein 1,3-D+
DMDS+Pic(1:4:1) 120 (20+80+20) treatment is most notable to nutgrass flatsedge synergistic effect.1,3- dichloropropylene, DMDS
It is mixed with chloropicrin, it is obvious to broad-leaved and the equal synergy of grass class weeds.8 kinds of mixtures of different proportion of said composition described above
There is fabulous inhibitory action to broad leaved weedses and grassy weed.
Composition field efficiency test
Processed using soil disinfection, in dispenser before crop-planting, investigate weeds in field situation after smoking, and after fetching earth point
Nematode, disease fungus in soil, bacterium, and calculate the preventive effect of each medicament.Refer to field efficacy embodiment 1-6.
Field efficiency test 1
Controlling object：Soil passes nematode and soil-borne pathogen on tomato field common weed and tomato.Testing site：Beijing Tongzhou.
Before tomato planting, first by soil deep tillage 30cm, while ensure that soil has certain humidity, then by 90%1,3- dichloros third
Alkene DMDS chloropicrin (1,3- dichloropropylene 15%, DMDS content 60%, chloropicrin content 15%) breast
Oil (presses total active ingredient 40g/m2Consumption) be administered in soil by drip irrigation system, it is finally stifling using " counter to bury method " overlay film
After 2 weeks, gas is opened 7 days, after Seed Germination Test is qualitatively judged and remained without medicament, you can plantation.Result finds, right after sterilization
Piemarker, eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge preventive effect it is equal
More than 90% is reached, it is right to the preventive effect of root-knot nematode, burr nematode and sword nematode respectively up to 93.5%, 92.4% and 91.5%
The preventive effect of Strain of Pseudomonas Solanacearum belongs to fungi preventive effect up to 91.6% to reaping hook up to 82.1%, to Phytophthora fungi preventive effect up to 86.0%.
Comparison medicament 92%1,3- dichloropropylenes missible oil (presses active ingredient 20g/m2Consumption) in the same way sterilize after
To piemarker, eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge preventive effect
Be below 65%, the preventive effect to root-knot nematode, burr nematode and sword nematode is respectively 85.8%, 75.1% and 84.1%, to kind
The preventive effect of eggplant Ralstonia solanacearum belongs to fungi preventive effect up to 54.3% to reaping hook up to 28.9%, to Phytophthora fungi preventive effect up to 39.3%.
The DMDS missible oil of comparison medicament 95% (presses active ingredient 80g/m2Consumption) in the same way sterilize after it is right
Piemarker, eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge preventive effect it is equal
Less than 75%, the preventive effect to root-knot nematode, burr nematode and sword nematode is respectively 82.9%, 75.5% and 82.1%, to tomato
The preventive effect of Ralstonia solanacearum belongs to fungi preventive effect up to 65.6% to reaping hook up to 46.6%, to Phytophthora fungi preventive effect up to 34.5%.
The chloropicrin missible oil of comparison medicament 96% (presses active ingredient 40g/m2Consumption) in the same way sterilize after to piemarker,
Eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, the preventive effect of nutgrass flatsedge are below
45%, the preventive effect to root-knot nematode, burr nematode and sword nematode is respectively 53.8%, 64.8% and 44.1%, withered to tomato green grass or young crops
The preventive effect of bacterium belongs to fungi preventive effect up to 85.8% to reaping hook up to 75.2%, to Phytophthora fungi preventive effect up to 78.2%.
Field efficiency test 2
Controlling object：Soil passes nematode and soil-borne pathogen on cucumber field common weed and cucumber.Testing site：Beijing Shunyi.
Before green cucumber, first by soil deep tillage 30cm, while ensure that soil has certain humidity, then by 91%1,3- dichloros third
Alkene DMDS chloropicrin (1,3- dichloropropylene 13%, DMDS content 52%, chloropicrin content 26%) liquid
Agent (by the consumption of total active ingredient 40g/m2) is uniformly injected in soil, after finally being fumigated 3 weeks using " counter to bury method " overlay film, is opened
Gas 7 days, after germination of cucumber seeds is tested and qualitatively judged without medicament residual, you can plantation.Result finds, to piemarker after sterilization
Fiber crops, lady's-grass, eleusine indica, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, the preventive effect of nutgrass flatsedge reach 100%, to root-knot nematode,
The preventive effect of Pratylenchidae up to 97.8 and 95.9%, fungi preventive effect up to 96.1% is belonged to reaping hook respectively, and Phytophthora fungi preventive effect is reached
90.3%.
Comparison medicament 92%1,3- dichloropropylenes liquor (presses active ingredient 20g/m2Consumption) in the same way sterilize after
To piemarker, eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge preventive effect
58% is below, the preventive effect to root-knot nematode, Pratylenchidae is respectively 83.92% and 84.01%, fungi preventive effect is belonged to reaping hook and is reached
64.1%, to Phytophthora fungi preventive effect up to 58.3%.
The DMDS liquor of comparison medicament 95% (presses active ingredient 60g/m2Consumption) in the same way sterilize after it is right
Piemarker, eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge preventive effect it is equal
Less than 58%, the preventive effect to root-knot nematode, Pratylenchidae is respectively 75.9% and 84.1%, fungi preventive effect is belonged to reaping hook and is reached
64.1%, to Phytophthora fungi preventive effect up to 58.3%.
The chloropicrin liquor of comparison medicament 99% (presses active ingredient 30g/m2Consumption) in the same way sterilize after to piemarker,
Eleusine indica, lady's-grass, black nightshade, ivy glorybind, field bindweed, lamb's-quarters, purslane, morning glory, three-coloured amaranth, green bristlegrass, the preventive effect of nutgrass flatsedge are below
69%, the preventive effect to root-knot nematode, Pratylenchidae is respectively 63.2% and 64.9%, and fungi preventive effect is belonged to reaping hook up to 90.8%,
To Phytophthora fungi preventive effect up to 81.3%.
Field efficiency test 3
Controlling object：Soil-borne pathogen on ginger field common weed and ginger.Testing site：Shandong Anqiu.In ginger cultivation
Before, first by soil deep tillage 28cm, while ensure that soil has certain humidity, then by 88%1,3- dichloropropylene dimethyl
Two sulphur chloropicrins (1,3- dichloropropylene 22%, DMDS content 44%, chloropicrin content 22%) (press total active ingredient
40g/m2Consumption) be administered in soil by punching, finally using stifling 3 weeks of " counter to bury method " overlay film after, open gas 10 days, pass through
Germination of Lettuce Seeds experiment is qualitatively judged without after medicament residual, you can plantation.Result find, after sterilization to piemarker, lady's-grass, lamb's-quarters,
Eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, field bindweed, acalypha copperleaf, Descurainia sophia, ox chickweed, the preventive effect of chickweed
100.00% is reached, the preventive effect to root-knot nematode and true aphelenchoides is respectively 99.7% and 98.5%, and fungi is belonged to reaping hook
Preventive effect, to Phytophthora fungi preventive effect up to 91.2%, to pythium spp preventive effect up to 88.7%, reaches up to 94.9% to ginger Ralstonia solanacearum preventive effect
89.2%.
Comparison medicament 92%1,3- dichloropropylenes capsule preparations (press active ingredient 30g/m2Consumption) disappear in the same way
After poison to piemarker, lady's-grass, lamb's-quarters, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, field bindweed, acalypha copperleaf, broadcast ma
Wormwood artemisia, ox chickweed, the preventive effect of chickweed are below 58%, and the preventive effect to root-knot nematode and true aphelenchoides is respectively 86.8% He
82.9%, fungi preventive effect up to 64.6% is belonged to reaping hook, to Phytophthora fungi preventive effect up to 48.3%, pythium spp preventive effect is reached
49.1%, to the preventive effect of ginger Ralstonia solanacearum up to 31.1%.
The DMDS capsule preparations of comparison medicament 88% (press active ingredient 80g/m2Consumption) sterilize in the same way
Afterwards to piemarker, lady's-grass, lamb's-quarters, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, field bindweed, acalypha copperleaf, Descurainia sophia,
Ox chickweed, the preventive effect of chickweed are below 63%, and the preventive effect to root-knot nematode and true aphelenchoides is respectively 81.8% and 86.9%,
Belong to fungi preventive effect up to 64.9% to reaping hook, to Phytophthora fungi preventive effect up to 48.0%, to pythium spp preventive effect up to 57.2%, to ginger
The preventive effect of Ralstonia solanacearum is up to 35.1%.
The chloropicrin capsule preparations of comparison medicament 92% (press active ingredient 40g/m2Consumption) in the same way sterilize after it is right
Piemarker, lady's-grass, lamb's-quarters, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, field bindweed, acalypha copperleaf, Descurainia sophia, Niu Fan
In detail, the preventive effect of chickweed is below 57%, and the preventive effect to root-knot nematode and true aphelenchoides is respectively 64.4% and 68.2%, to sickle
Knife belongs to fungi preventive effect up to 84.2%, withered to ginger green grass or young crops to pythium spp preventive effect up to 80.1% to Phytophthora fungi preventive effect up to 78.8%
The preventive effect of bacterium is up to 81.5%.
Field efficiency test 4
Controlling object：Soil passes nematode and soil-borne pathogen on marigold nursery common weed and marigold.Testing site：Beijing
Yanqing.Before marigold is planted, first by soil deep tillage 35cm, while ensure that soil has certain humidity, then by 20%1,
3- dichloropropylene DMDSs chloropicrin (1,3- dichloropropylene 2%, DMDS content 16%, chloropicrin content
2%) sustained-release granular formulation (presses total active ingredient 40g/m2Consumption) be uniformly administered in soil by mixed local method, finally use
After " counter to bury method " overlay film is stifling 4 weeks, gas is opened 10 days, after marigold seeds sprouting test is qualitatively judged and remained without medicament, i.e.,
Can plant.Result find, after sterilization to piemarker, lady's-grass, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, black nightshade,
Ivy glorybind, field bindweed, acalypha copperleaf, Descurainia sophia, ox chickweed, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters, small lamb's-quarters, chenopodium glaucum linn,
Summer cypress, the preventive effect of pale persicaria reach 100.00%, and the preventive effect to root-knot nematode, kidney shape nematode and short body nematode reaches
97.6%th, 92.5% and 94.8%, fungi preventive effect up to 93.2% is belonged to reaping hook, to Phytophthora fungi preventive effect up to 82.2%, to corruption
Mould preventive effect is up to 77.9%.
Comparison medicament 30%1,3- dichloropropylenes sustained-release granular formulation (presses active ingredient 20g/m2Consumption) in the same way
To piemarker, lady's-grass, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, black nightshade, ivy glorybind, field bindweed, iron after sterilization
Three-coloured amaranth, Descurainia sophia, ox chickweed, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters, small lamb's-quarters, chenopodium glaucum linn, summer cypress, pale persicaria it is anti-
Effect is below 55%, and the preventive effect to root-knot nematode, kidney shape nematode and short body nematode is respectively 73.9%, 86.2% and 84.0%,
Belong to fungi preventive effect up to 64.8% to reaping hook, to Phytophthora fungi preventive effect up to 48.3%, to pythium spp preventive effect up to 46.8%.
The DMDS sustained-release granular formulation of comparison medicament 28% (presses active ingredient 60g/m2Consumption) disappear in the same way
To piemarker, lady's-grass, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, black nightshade, ivy glorybind, field bindweed, iron amaranth after poison
Dish, Descurainia sophia, ox chickweed, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters, small lamb's-quarters, chenopodium glaucum linn, summer cypress, the preventive effect of pale persicaria
69% is below, the preventive effect to root-knot nematode, kidney shape nematode and short body nematode is respectively 83.9%, 76.23% and 64.19%,
Belong to fungi preventive effect up to 63% to reaping hook, to Phytophthora fungi preventive effect up to 48.1%, to pythium spp preventive effect up to 50.9%.
The chloropicrin sustained-release granular formulation of comparison medicament 35% (presses active ingredient 30g/m2Consumption) in the same way sterilize after
To piemarker, lady's-grass, eleusine indica, purslane, morning glory, three-coloured amaranth, green bristlegrass, nutgrass flatsedge, black nightshade, ivy glorybind, field bindweed, acalypha copperleaf,
Descurainia sophia, ox chickweed, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters, small lamb's-quarters, chenopodium glaucum linn, summer cypress, pale persicaria preventive effect it is equal
Less than 62%, the preventive effect to root-knot nematode, kidney shape nematode and short body nematode is respectively 55.5%, 54.8% and 51.6%, to sickle
Knife belongs to fungi preventive effect up to 84.2%, to Phytophthora fungi preventive effect up to 78.5%, to pythium spp preventive effect up to 67.9%.
All of above experiment shows：The prevention effect of above-mentioned formula is superior to single dose kind, significant difference.Show the combination
Thing has excellent synergistic effect, while the formulation rate of agricultural chemicals can be reduced.
Field efficiency test 5
Controlling object：Tomato field mud flowers and plants.Testing site：Kunming, Yunnan.Before tomato planting, first by soil deep tillage
30cm, while ensure that soil has certain humidity, then by 90%1,3- dichloropropylene DMDSs chloropicrin (1,3-
Dichloropropylene 15%, DMDS content 60%, chloropicrin content 15%) missible oil (press total active ingredient 40g/m2Consumption)
It is administered in soil by drip irrigation system, after finally being fumigated 2 weeks using " counter to bury method " overlay film, opens gas 7 days, is sprouted by seed and tried
After qualitative judgement is tested without medicament residual, you can plantation.Result finds do not have prevention effect to mud flowers and plants after sterilization.
Same plot, before tomato planting, first by soil deep tillage 30cm, while ensure that soil has certain humidity,
Then by 91%1,3- dichloropropylene DMDS chloropicrin Chinese tamarisk bark extract (1,3- dichloropropylene 15%, two
The sulfur content 60% of methyl two, chloropicrin content 15%, Chinese tamarisk bark extract content 1%) missible oil (press total active ingredient 40g/m2's
Consumption) it is administered in soil by drip irrigation system, after finally being fumigated 2 weeks using " counter to bury method " overlay film, gas is opened 7 days, by seed
Sprouting test is qualitatively judged without after medicament residual, you can plantation.Result finds, mud flowers and plants prevention effect is reached after sterilization
80.9%, same experimental procedure removes 1,3- dichloropropylenes, and DMDS, three kinds of compositions of chloropicrin only retain Chinese tamarisk skin
Extract, prevention effect is 61.1%.The extracting method of the Chinese tamarisk bark extract is：Chinese tamarisk skin is dried, is clayed into power, plus
Enter 3-8 times of 1% sodium citrate solution of parts by weight, stir 1-5 hours, filtered using the crocus cloth of 100-200 mesh, to filtering
The isopropanol precipitating for accounting for its 25% volume, 1200rpm centrifugation 3min is added to obtain sediment, obtain Chinese tamarisk bark extract in liquid.
Field efficiency test 6
Controlling object：Eggplant field Veronica.Testing site：Xingtai.Before eggplant plantation, first by soil deep tillage
30cm, while ensure that soil has certain humidity, then by 90%1,3- dichloropropylene DMDSs chloropicrin (1,3-
Dichloropropylene 15%, DMDS content 60%, chloropicrin content 15%) missible oil (press total active ingredient 40g/m2Consumption)
It is administered in soil by drip irrigation system, after finally being fumigated 2 weeks using " counter to bury method " overlay film, opens gas 7 days, is sprouted by seed and tried
After qualitative judgement is tested without medicament residual, you can plantation.Result finds do not have prevention effect to Veronica after sterilization.
Same plot, before eggplant plantation, first by soil deep tillage 30cm, while ensure that soil has certain humidity,
Then by 91%1,3- dichloropropylene DMDS chloropicrin Flos Hibisci extract (1,3- dichloropropylene 15%, two
The sulfur content 60% of methyl two, chloropicrin content 15%, Flos Hibisci extract content 1%) missible oil (press total active ingredient 40g/m2's
Consumption) it is administered in soil by drip irrigation system, after finally being fumigated 2 weeks using " counter to bury method " overlay film, gas is opened 7 days, by seed
Sprouting test is qualitatively judged without after medicament residual, you can plantation.Result finds, Veronica prevention effect is reached after sterilization
83.9%, same experimental procedure removes 1,3- dichloropropylenes, and DMDS, three kinds of compositions of chloropicrin only retain shrub althea flower
Extract, prevention effect is 51.1%.The extracting method of the Flos Hibisci extract is：Smash shrub althea flower to pieces pulp, add
3-8 times of 1% sodium carbonate liquor of parts by weight, stirs 1-5 hours, is filtered using the crocus cloth of 100-200 mesh, in filtered fluid
Addition accounts for the isopropanol precipitating of its 25% volume, and 1200rpm centrifugation 3min obtain sediment, obtain Flos Hibisci extract.
Field efficiency test 7
Controlling object：Eggplant field deceives grass.Testing site：Xingtai.Before eggplant plantation, first by soil deep tillage 30cm,
Ensure that soil has certain humidity simultaneously, then by 90%1,3- dichloropropylene DMDS chloropicrin (1,3- dichloros
Propylene 15%, DMDS content 60%, chloropicrin content 15%) missible oil (press total active ingredient 40g/m2Consumption) pass through
Drip irrigation system is administered in soil, after finally being fumigated 2 weeks using " counter to bury method " overlay film, opens gas 7 days, fixed by Seed Germination Test
Property judge without medicament remain after, you can plantation.Result finds, to deceiving grass without prevention effect after sterilization.
Same plot, before eggplant plantation, first by soil deep tillage 30cm, while ensure that soil has certain humidity,
Then by 91%1,3- dichloropropylene DMDS chloropicrin iris flower extract (1,3- dichloropropylene 15%, two
The sulfur content 60% of methyl two, chloropicrin content 15%, flag flower extractive content 1%) missible oil (press total active ingredient 40g/m2's
Consumption) it is administered in soil by drip irrigation system, after finally being fumigated 2 weeks using " counter to bury method " overlay film, gas is opened 7 days, by seed
Sprouting test is qualitatively judged without after medicament residual, you can plantation.Result finds, is reached to deceiving careless prevention effect after sterilization
81.2%, same experimental procedure removes 1,3- dichloropropylenes, and DMDS, three kinds of compositions of chloropicrin only retain flag flower
Extract, prevention effect is 50.6%.The extracting method of the iris flower extract is：Smash flag flower to pieces pulp, add
3-8 times of 1% sodium bicarbonate solution of parts by weight, stirs 1-5 hours, is filtered using the crocus cloth of 100-200 mesh, to filtered fluid
It is middle to add the isopropanol precipitating for accounting for its 25% volume, 1200rpm centrifugation 3min to obtain sediment, obtain iris flower extract.
Disclosed above is only several specific embodiments of the invention, but, the present invention is not limited to this, any ability
What the technical staff in domain can think change should all fall into protection scope of the present invention.
Claims (9)
1. a kind of composition pesticide, it is characterised in that its active component is 1,3- dichloropropylenes, DMDS and chloropicrin.
2. composition pesticide according to claim 1, it is characterised in that it can be made with agriculturally acceptable auxiliary agent
Capsule preparations, missible oil, aqueous emulsion, sustained-release granular formulation, granule, tablet.
3. the composition pesticide described in claim 1 is for preventing and treating the soil-borne disease original nematode, the soil biography that occur in agricultural crops plantation
The purposes of disease fungus, soil-borne disease indigenous bacteria and farmland weed.
4. purposes according to claim 3, it is characterised in that described soil-borne disease original nematode is Tylenchida category, root knot
Turbatrix, Heterodera, Tylenchorhynchus, Pratylenchus, the Turbatrix that spirals, helix Eimeria, peltate Turbatrix, kidney shape
Turbatrix, true Aphelenchoides, minute hand Turbatrix, Xiphinema, one or more in burr Turbatrix.
5. purposes according to claim 3, it is characterised in that described disease fungus is Fusarium, phytophthora, corruption
Mould belong to, Verticillium dahliae category in one or more.
6. purposes according to claim 3, it is characterised in that the pathogenetic bacteria is blue or green withered Raul Salmonella, erwinia
In one or more.
7. purposes according to claim 3, it is characterised in that described weeds be lady's-grass, eleusine indica, green bristlegrass, barnyard grass,
Amur foxtail, wild oat, the rhizome of nutgrass flatsedge, dayflower, piemarker, clearvers, black nightshade, ivy glorybind, field bindweed, acalypha copperleaf, Descurainia sophia, Niu Fan
In detail, chickweed, purslane, Amaranthus retroflexus, concave head amaranth, lamb's-quarters, small lamb's-quarters, chenopodium glaucum linn, summer cypress, pale persicaria, Drilgrass, Eupatorium adenophorum, common vetch
One or more in camomile.
8. purposes according to claim 3, it is characterised in that the crop be vegetables, strawberry, flowers, melon, nursery,
Orchard, tea place, forest or Chinese herbal medicine.
9. the application process of the composition pesticide described in claim 1, it is characterised in that carry out in accordance with the following steps：
(1) first by soil deep tillage 25-35cm；
(2) soil uniformly and then by composition pesticide is applied to, depth is 20-30cm, it is also possible to will respectively contain 1,3- dichloros
The single dose order dispenser of propylene, DMDS and chloropicrin；
(3) it is last, using it is counter bury method overlay film it is stifling 2-4 week after, spacious gas 3-12 days, by Seed Germination Test qualitative judgement without medicine
After agent residual, you can planting plants.
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| CN101971835A (en) * | 2010-09-26 | 2011-02-16 | 韩景良 | Soil particle fumigant |
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| CN101491244A (en) * | 2008-01-24 | 2009-07-29 | 中国农业科学院植物保护研究所 | Application technique of compound of dimethyl disulfide and chloreopicrin as soil fumigant |
| CN101971835A (en) * | 2010-09-26 | 2011-02-16 | 韩景良 | Soil particle fumigant |
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Inventor after: Jiang Hongyun Inventor after: Mao Liangang Inventor after: Zhang Lan Inventor after: Zhang Yanning Inventor after: Ren Xiaoshuang Inventor after: Wang Liping Inventor after: Li Zhe Inventor before: Jiang Hongyun Inventor before: Zhang Lan Inventor before: Zhang Yanning Inventor before: Ren Xiaoshuang Inventor before: Wang Liping Inventor before: Li Zhe |
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