CN107691464A - A kind of composition and application method for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds - Google Patents
A kind of composition and application method for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds Download PDFInfo
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- CN107691464A CN107691464A CN201710577427.1A CN201710577427A CN107691464A CN 107691464 A CN107691464 A CN 107691464A CN 201710577427 A CN201710577427 A CN 201710577427A CN 107691464 A CN107691464 A CN 107691464A
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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
- A01N47/40—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/46—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=C=S groups
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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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
Abstract
A kind of composition and application method summary for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds：The invention belongs to plant protection subject technical field of pesticide, and in particular to a kind of composition and application method for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds.Said composition is made up of chloropicrin preparation and allyl isothiocyanate preparation.In use, soil was poured in 26 days before soil-fumigating permeable.After watering, when relative moisture of the soil is 65% or so, rotary tillage is carried out, by the 35cm of soil deep tillage 25.Chloropicrin preparation is pressed into active ingredient 20g/m2‑40g/m2, allyl isothiocyanate preparation press active ingredient 30g/m2‑60g/m2Manually syringe or dynamic power machine syringe inject medicament in the soil that 15 30cm are deep under earth's surface respectively, and injection point spacing is 20 30cm；Or two kinds of medicaments are applied in soil respectively using drip irrigation system；Or first chloropicrin capsule preparations are applied in soil using ditch spread or the method spreaded manuer in holes, then apply allyl isothiocyanate liquor with hand gun or the injection of dynamic power machine syringe or drip irrigation system.After dispenser terminates, plastic foil is covered on medication plot using anti-method of burying immediately.After stifling 24 weeks, take off film and open gas 7 14 days.By after cultivation Seed Germination Test determines that medicament has all dispersed, will not produce poisoning, you can transplant planting.Said composition is applied to soil disinfection before the kinds of the crop fields such as melon preventing and treating, solanaceous vegetables, strawberry, grape, ginger, flowers, Chinese herbal medicine, can effectively prevent and kill off root-knot nematode, main soil-borne disease fungal pathogenses, main grass family and broad leaved weedses.
Description
Technical field
The invention belongs to plant protection subject technical field of pesticide, and in particular to one kind preventing and treating root-knot nematode, soil-borne disease are former
Fungi and the composition and application method of weeds.
Background technology
In recent years, China's agricultural makes great progress, and grain yield increases year by year.With the continuous tune of farming pattern of farming
Whole, vegetable at protected field and diversified economy crop are planted extensively, to farmers' income, resident's dietary level, national food security
Bring huge advantage.Simultaneously as being limited by planting conditions, vegetable at protected field and industrial crops usually continuous cropping are this single
Planting system and cropping pattern cause soil nutrient unbalance, and soil beneficial microbe population declines, and the increase of soil-borne disease bacterium number amount, cause
Make the crop such as tomato, cucumber, capsicum, strawberry, ginger, Chinese yam, lily droop, bacterial wilt, base rot disease, root rot, root knot
The various diseases such as nematodiasis are increasingly severe, seriously endanger crop yield so that farmers' income reduces.As following China protects
The lasting popularization on ground, crops intensive cropping process constantly promote and the factors such as labor cost increases year by year, vegetables and
The generation of industrial crops protecting field root-knot nematode, soil-borne pathogen and weeds can be increasingly severe, controls these diseases that institute occurs
The economic input needed can be more and more.Traditional control soil-borne disease in crop typically using the method for medicament pouring root, it is necessary to give birth to
Long-term multiple medication, drug effect is general and easily causes residues of pesticides excessive problem, such as " the malicious ginger thing occurred in recent years
Part " " malicious leek event " etc., the public is increasingly paid close attention to the Pesticide Residue of the agricultural product such as gourd, fruit and vegetable, grain, fruit.Base
It is maximally efficient and being capable of stability contorting root-knot nematode, soil-borne pathogen and miscellaneous under state of the art and technical conditions in this
The technology of grass is soil-fumigating.Soil-fumigating processing is that soil medication by injection, drip irrigation, is spread fertilizer over the fields, gas before crop-planting
Fumigant pesticides are applied in soil by the modes such as body distribution band, have the characteristics of being evenly distributed, half-life short, broad-spectrum high efficacy,
The generation of soil-borne disease insect pest can be effectively controlled, solves the problems, such as continuous cropping obstacles.In addition, soil-fumigating processing has been killed invalid
The primary source of infection such as the mycelium survived the winter in body or soil, conidium, egg capsule, do not falling ill or early stage efficiently kills native biography
Pest and disease damage, the sprawling and outburst of soil-borne disease insect pest are controlled from root, Crop growing stage disease pest and weed can be significantly reduced
Generation and Pesticide use amount, are the effective means for realizing China " the year two thousand twenty Pesticide use amount zero growth rate " target.
The content of the invention
The present invention holds for the high added value such as vegetable and fruit, flowers, Chinese herbal medicine crops such as current melon, solanaceous vegetables, gingers
Root-knot nematode, soil-borne disease fungal pathogenses easily occur and the problem of weeds, propose a kind of preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and miscellaneous
The composition of grass.
Present invention also offers a kind of application method for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds.
A kind of composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds is by chloropicrin preparation and isothiocyanic acid allyl
Ester formulation forms.
The chloropicrin preparation is the liquor that mass fraction is 99.5% or 90-98% chloropicrin capsule preparations.
The allyl isothiocyanate preparation is the allyl isothiocyanate liquor or 15%- that mass fraction is 90%-99%
45% athomin aqueous emulsion.
A kind of application method for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds, enters in accordance with the following steps
OK：
（1）Soil was poured in 2-6 days before soil-fumigating permeable.After watering, when relative moisture of the soil is 65% or so, revolved
Plough, by soil deep tillage 25-35cm.Abundant hack during rotary tillage, remove straw, undesirable root and big soil block, stone in soil
Deng.
（2）Chloropicrin preparation is pressed into active ingredient 20g/m2-40g/m2, allyl isothiocyanate preparation press active ingredient 30g/m2-
60g/m2Manually syringe or dynamic power machine syringe inject medicament in the soil that 15-30cm is deep under earth's surface respectively, note
Exit point spacing is 20-30cm；Or two kinds of medicaments are applied in soil respectively using drip irrigation system；Or use ditch spread or cave
Chloropicrin capsule preparations are first applied in soil by the method applied, and are then injected with hand gun or dynamic power machine syringe
Or drip irrigation system applies allyl isothiocyanate liquor.
（3）After dispenser terminates, plastic foil is covered on medication plot using anti-method of burying immediately, plastic sheeting should use 0.03-
0.04mm primary film.After stifling 2-4 weeks, take off film and open gas 7-14 days.Determine that medicament is complete by Seed Germination Test to be cultivated
Portion disperses, poisoning will not be produced after, you can transplant planting.
The active ingredient of the chloropicrin preparation is chloropicrin（CCl3NO2）, the allyl isothiocyanate preparation it is effective
Composition is allyl isothiocyanate（C4H5NS）.
The crop is melon, solanaceous vegetables, strawberry, grape, ginger, flowers, Chinese herbal medicine.
It is described melon including cucumber, watermelon；Solanaceous vegetables include tomato, eggplant, capsicum；Flowers include lily；Chinese herbal medicine includes mountain
Medicine, pseudo-ginseng, ginseng.
Beneficial effects of the present invention：The composition of the present invention is combined to root-knot nematode, phytophthora, Fusarium, grass
Section weeds（Such as lady's-grass）And broad leaved weedses（Such as lamb's-quarters）Be respectively provided with obvious synergistic effect, have wide spectrum, it is safe efficient,
The characteristics of noresidue, use cost are less than previous generation soil fumigant methyl bromides, can save peasant household's expenditure；And composition combination exists
Selection pressure of the single fumigant to garden crop smothering can be also reduced while expanding preventing and treating spectrum, delays drug-fast generation.
Chemical fumigant is usually high poison chemical pesticide, and one of composition in present invention allyl isothiocyanate belongs to plant source agriculture
Medicine, it is a kind of secondary metabolite extracted from the crucifers such as horseradish, belongs to environmentally friendly compound, according to
Report half-life period is 20-60h, and high-toxic pesticide chloropicrin can be reduced on the premise of drug effect is ensured with the combination of another composition chloropicrin
Usage amount, environmentally safe, person poultry safety has positive effect.Composition in the present invention is applied to prevent and treat melon, solanberry
Root-knot nematode, phytophthora on the crops such as class, strawberry, grape, ginger, flowers, Chinese herbal medicine, Fusarium, broad leaved weedses
With grassy weed etc..
Brief description of the drawings
Fig. 1 is that each processing compares figure to the drug effect of Fusarium.
Fig. 2 is that each processing compares figure to the drug effect of lady's-grass.
Fig. 3 is that each processing compares figure to the drug effect of lamb's-quarters.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
The reagent that the present embodiment uses for：
99.5% chloropicrin stoste（The green peaking limited company in Dalian）, abbreviation：CP；
98% allyl isothiocyanate stoste（Hubei giant dragon hall medication chemistry Co., Ltd）, abbreviation：AITC.
It is for examination soil sample：
Soil sample is picked up from Beijing Shunyi cucumber and uprooted plants after their edible portions have been harvested greenhouse, and long-term root-knot nematode and disease occur serious, take arable layer native
Earth takes back laboratory, picking stone, fragment of brick, stalk etc., after crossing 2mm mesh screens, mixes standby.Through analysis, soil is sand loam,
By 3% clay, 20% powder and 77% sand grains are formed.Soil absolute water content is 14.74%, pH=7.01, soil organic matter content
22.80g/kg, NH4+-N=7.70mg/kg, NO3-N=70.62mg/kg, available phosphorus 331.49mg/kg, the μ s/cm of electrical conductivity 298.
Evaluation index and evaluation method are：
Root-knot nematodeMeloidogyne spp., crossing sieve method is centrifuged using syrup；
PhytophthoraPhytophthora spp., separated using Masago selective mediums method；
FusariumFusarium spp., separated using Komada selective mediums method；
Lady's-grassDigitaria sanguinalis, using electronic vernier caliper method measurement bud length；
Lamb's-quartersChenopodium album, using electronic vernier caliper method measurement bud length.
Test method
1. dose is set
According to chloropicrin（Active ingredient）With soil quality than two concentration for the treatment of of design：15mg/kg and 25mg/kg（Corresponding chlorine
Change bitter liquor quality as 2.85 μ l/300g soil and 4.75 μ l/300g soil, density p（99.5%CP）=1.59g/ml）；
According to allyl isothiocyanate（Active ingredient）With soil quality than two concentration for the treatment of of design：25mg/kg and 50mg/kg
（Corresponding allyl isothiocyanate quality is that 7.4 μ l/300g soil and 14.8 μ l/300g are native, density p（98%AITC）=1.02g/
ml）.
Each processing is as follows：
（1）CP 15mg/kg
（2）CP 25mg/kg
（3）AITC 25mg/kg
（4）AITC 50mg/kg
（5）CP+AITC 15+25mg/kg
（6）CP+AITC 15+50mg/kg
（7）CP+AITC 25+25mg/kg
（8）CP+AITC 25+50mg/kg
（9）CK
2. the process of experiment
The soil sample that 300g has crossed 2mm sieves is weighed, is added in 500ml wide-mouth bottles.The horse for shifting to an earlier date vernalization is sowed in each processing respectively
15, Tang's seed and 15, lamb's-quarters seed, the CP liquors and AITC liquors of corresponding dosage are separately added into liquid-transfering gun afterwards.In constant temperature
Fumigated 7 days at 28 DEG C of incubator, fumigate and gas is opened after terminating 1 day.Then root-knot nematode and disease fungus are separated, measures weeds lady's-grass
Grown with the bud of lamb's-quarters.Experiment is provided with blank control, each handles 3 repetitions.
3. calculation formula
Root-knot nematode survival rate and corrected mortality computational methods are as follows：
X=100*N1/(N1+N2)
X is nematode survival rate（%）, N1For living nematodes number, N2For verge of death borer population.
Y=100*(X1-X2)/(1-X2)
Y is corrected mortality (%), X1For the chemicals treatment death rate（%）, X2For the blank control death rate（%）.
Pathogen inhibiting rate computational methods are as follows：
X=100*(N1-N2)/N1
X is pathogen inhibiting rate（%）, N1For blank control cause of disease bacterium number, N2For chemicals treatment cause of disease bacterium number.
Weeds inhibiting rate computational methods are as follows：
X=100*(N1-N2)/N1
X is weeds inhibiting rate（%）, N1For blank control weeds height, N2For chemicals treatment weeds height.
According to methods such as Hutchinson（2000）Formula calculates corresponding theory preventive effect, and theoretical preventive effect is compared with actual preventive effect,
So as to action effect mixed with AITC effective evaluation CP.Calculation formula is as follows：
E=X1*X2/100
E is the theoretical preventive effect of two kinds of medicament mixtures；X1For the preventive effect of the 1st kind of soil fumigant；X2For the 2nd kind of soil fumigant
Preventive effect.If actual preventive effect E ＞ theory preventive effects E0, then use with as synergistic effect；If actual preventive effect E ＜ theory preventive effects E0, then use with and be
Antagonism.
4. result of the test
A. to the preventive effect of root-knot nematode
The CP of table 1 and AITC is respectively using the prevention effect used with mixture to root-knot nematode
As it can be seen from table 1 the actual preventive effect E- reasons of four kinds of different amounts mixtures of chloropicrin and allyl isothiocyanate
By preventive effect E0＞ 0, i.e., actual preventive effect E ＞ theory preventive effects E0, show that four kinds of different amounts of chloropicrin and allyl isothiocyanate mix
The prevention effect of pairing root-knot nematode shows synergistic effect.Four kinds of different amounts of chloropicrin and allyl isothiocyanate
Mixture is above 92% to the preventive effect of root-knot nematode, when using low dosage chloropicrin mixed with low dosage allyl isothiocyanate
92.22% preventive effect is can reach, synergistic effect is obvious.
B. to the preventive effect of phytophthora and Fusarium
The CP of table 2 and AITC is respectively using the prevention effect used with mixture to phytophthora and Fusarium
As can be seen that the reality of four kinds of different amounts mixtures of chloropicrin and allyl isothiocyanate is prevented from table 2 and Fig. 1
Imitate E- theory preventive effects E0＞ 0, i.e., actual preventive effect E ＞ theory preventive effects E0, show four kinds of differences of chloropicrin and allyl isothiocyanate
Dosage mixture shows synergistic effect to the prevention effect of phytophthora and Fusarium.Chloropicrin and isothiocyanic acid allyl
Four kinds of different amounts mixtures of ester are above 76% to the preventive effect of phytophthora, and 91% is above to the preventive effect of Fusarium.Use
Chloropicrin 25mg/kg is mixed with allyl isothiocyanate 25mg/kg phytophthora can be reached 91.31% preventive effect；Use chlorine
Change bitter 15mg/kg it is mixed with allyl isothiocyanate 25mg/kg Fusarium can be reached 91.30% preventive effect, synergistic effect
Substantially.
C. to weeds lady's-grass and the preventive effect of lamb's-quarters
The CP of table 3 and AITC is respectively using the prevention effect used with mixture to lady's-grass and lamb's-quarters
As can be seen that the reality of four kinds of different amounts mixtures of chloropicrin and allyl isothiocyanate from table 3 and Fig. 2,3
Preventive effect E- theory preventive effects E0＞ 0, i.e., actual preventive effect E ＞ theory preventive effects E0, show four kinds of chloropicrin and allyl isothiocyanate not
Synergistic effect is shown to the prevention effect of lady's-grass and lamb's-quarters with dosage mixture.Wherein, using chloropicrin 15mg/kg and different sulphur
Cyanic acid allyl ester 25mg/kg is mixed lady's-grass and lamb's-quarters can be respectively reached 67.68% and 100% preventive effect；Its excess-three kind different amounts
Mixture to lady's-grass and lamb's-quarters have been reached 100% preventive effect, synergistic effect is obvious.
Embodiment 2
Soil was poured in 2-6 days before cucumber is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 30cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 30g/m2, 98% allyl isothiocyanate liquor according to 40g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 20 days, opens gas 7 days, after being qualitatively judged by germination of cucumber seeds experiment without poisoning, i.e.,
It can be colonized.
Embodiment 3
Soil was poured in 2-6 days before watermelon is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 35cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 25g/m2, 98% allyl isothiocyanate liquor according to 45g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 20 days, opens gas 10 days, after being qualitatively judged by watermelon seed sprouting test without poisoning,
It can be colonized.
Embodiment 3
Soil was poured in 2-6 days before eggplant is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 30cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 20g/m2, 98% allyl isothiocyanate liquor according to 40g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 15 days, opens gas 7 days, after being qualitatively judged by eggplant seed sprouting test without poisoning, i.e.,
It can be colonized.
Embodiment 4
Soil was poured in 2-6 days before capsicum is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 30cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 25g/m2, 98% allyl isothiocyanate liquor according to 30g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 15 days, opens gas 7 days, after being qualitatively judged by Germination of Capsicum Seed experiment without poisoning, i.e.,
It can be colonized.
Embodiment 5
Soil was poured in 2-6 days before lily is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 35cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 20g/m2, 98% allyl isothiocyanate liquor according to 40g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 15 days, opens gas 7 days, is tested by lily seedling replanting or Seed Germination Test is qualitative
After judging no poisoning, you can field planting.
Embodiment 6
Soil was poured in 2-6 days before Chinese yam is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 50cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 30g/m2, 98% allyl isothiocyanate liquor according to 40g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 20 days, opens gas 10 days, is tested by Chinese yam seedling replanting or Seed Germination Test is qualitative
After judging no poisoning, you can field planting.
Embodiment 7
Soil was poured in 2-6 days before pseudo-ginseng is stifling permeable.After watering, it is 65% or so to treat relative moisture of the soil（Criterion
Dissipated to hold agglomerating, release landing）When, rotary tillage is carried out, by soil deep tillage 35cm.Afterwards, with hand instrument or dynamic power machine
Respectively by 99.5% chloropicrin liquor according to 30g/m2, 98% allyl isothiocyanate liquor according to 40g/m2Dosage injection
Enter in soil, or using drip irrigation successively by two kinds of pharmacy applications in soil.After dispenser terminates, immediately using it is counter bury method with
Medicine covers plastic foil on plot, after fumigating 15 days, opens gas 7 days, is tested by pseudo-ginseng Seeding planting or Seed Germination Test is qualitative
After judging no poisoning, you can field planting.
Claims (7)
1. a kind of composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds, it is characterised in that said composition is by chloropicrin
Preparation and allyl isothiocyanate preparation composition.
2. the composition of root-knot nematode, soil-borne disease fungal pathogenses and weeds is prevented and treated according to claim 1, it is characterised in that institute
It is chloropicrin liquor that mass fraction is 99.5% or 90%-98% chloropicrin capsule preparations to state chloropicrin preparation.
3. the composition of root-knot nematode, soil-borne disease fungal pathogenses and weeds is prevented and treated according to claim 1, it is characterised in that institute
It is the allyl isothiocyanate liquor or 15%-45% athomin water that mass fraction is 90%-99% to state allyl isothiocyanate preparation
Emulsion.
4. a kind of application method for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds, it is characterised in that according to such as
Lower step is carried out：（1）Soil was poured in 2-6 days before soil-fumigating permeable；After watering, when relative moisture of the soil is 65% or so,
Rotary tillage is carried out, by soil deep tillage 25-35cm；（2）Chloropicrin preparation is pressed into active ingredient 20g/m2-40g/m2, isothiocyanic acid allyl
Ester formulation presses active ingredient 30g/m2-60g/m2Manually medicament is injected earth's surface by syringe or dynamic power machine syringe respectively
In soil deep lower 15-30cm, injection point spacing is 20-30cm；Or two kinds of medicaments are applied to respectively using drip irrigation system
In soil；Or first chloropicrin capsule preparations are applied in soil using ditch spread or the method spreaded manuer in holes, then use hand injection
Device or the injection of dynamic power machine syringe or drip irrigation system apply allyl isothiocyanate liquor；（3）After dispenser terminates, adopt immediately
Buried method with counter on medication plot and covered plastic foil；After stifling 2-4 weeks, take off film and open gas 7-14 days；Sprouted by seed to be cultivated
After experiment determines that medicament all disperses, will not produce poisoning, you can transplant planting.
A kind of 5. according to claim 4, user for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds
Method, it is characterised in that the active ingredient of the chloropicrin preparation is chloropicrin, the allyl isothiocyanate preparation it is effective into
It is allyl isothiocyanate to divide.
A kind of 6. according to claim 4, user for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds
Method, it is characterised in that the crop is melon, solanaceous vegetables, strawberry, grape, ginger, flowers, Chinese herbal medicine.
A kind of 7. according to claim 6, user for the composition for preventing and treating root-knot nematode, soil-borne disease fungal pathogenses and weeds
Method, it is characterised in that described melon including cucumber, watermelon；Solanaceous vegetables include tomato, eggplant, capsicum；Flowers include lily；In
Herbal medicine includes Chinese yam, pseudo-ginseng, ginseng.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113711878A (en) * | 2021-09-08 | 2021-11-30 | 安徽春晖生态环境科技有限公司 | Planting method for overcoming continuous cropping obstacle of white ginger and preventing and treating ginger blast |
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| CN113711878A (en) * | 2021-09-08 | 2021-11-30 | 安徽春晖生态环境科技有限公司 | Planting method for overcoming continuous cropping obstacle of white ginger and preventing and treating ginger blast |
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