CN103598210A - Pesticide composition for preventing and controlling nematode - Google Patents
Pesticide composition for preventing and controlling nematode Download PDFInfo
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Abstract
The invention relates to the technical field of a pesticide composition for preventing and controlling nematode. The pesticide composition comprises an active ingredient A and an active ingredient B, wherein the active ingredient A is chitooligosaccharide; the active ingredient B is any one or a combination of any two or three of verticillium chlamydosporium, emamectin benzoate and lythidathion. The formula of the pesticide composition has the advantages of synergistic interaction, reasonable proportion and particularly good prevention and control effect on crop nematode and economic forest nematode.
Description
Technical field
The invention belongs to pesticide field, relate to a kind of composition pesticide for nematoda control.
Background technology
Chitosan oligomer, chemical name is β-Isosorbide-5-Nitrae-oligomerization-gucosamine, molecular formula: (C
6h
11o
4n) n (n>=2) is a kind of extraction in biological carapace matter and oligomer that the degree of polymerization that the polysaccharide biological species natural products that comes produces through enzymolysis is 2～15.The disease that chitosan oligomer causes multiple fungi, bacterium and virus has good preventive and therapeutic effect.
A kind of facultative endophyte fungi of thick spore Verticillium dahliae (Verticillium chlamydosporium sp.), can in soil, seek saprogenesis, can parasitize again in female worm, cyst, egg capsule or the worm's ovum of the Plant nematode that the anchorage such as spherical Cyst nematode (Globoderaspp.), Cyst nematode (Heteroderaspp.) and root-knot nematode (Meloidogynespp.) in plant rhizosphere district are stronger.It is the Important Natural Enemy of some parasitic nematodes.Be widely used in preventing and treating each planting fruit-trees such as banana, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, other can, by all crops of eelworm harm and the nematode of forest, hold concurrently the crops such as tobacco, sugarcane and forest etc. simultaneously and prevent other insect pests.
Emamectin-benzoate, chemical name is 4 "-deoxidation-4 " mixture (B1a content is that 90%, B1b content is 10%) of-Biao-methylamino-Avermectin B1a/B1b benzoate.It is a kind of microbial source low toxicity Insecticidal and acaricidal agent, and the mode of action be take stomach toxicity as main, has action of contace poison concurrently, has the features such as activity is high, insecticidal spectrum is wide, compatibility good, the lasting period is long, use is safe.
Lythidathion chemical name is (RS)-3-(sec-butyl sulfenyl (ethyoxyl) phosphonic acids)-1,3-thiazoles alkane-2-ketone.Lythidathion is that a kind of wide spectrum kills nematode and kills mite and soil insecticide, has strong contact toxicity, inhales toxic action in having significantly to multiple nematode, insects and mites, conventional pesticides has been produced to some insects of resistance, has very high activity.
The disclosed patent of the relevant chitosan oligomer inquiring in China national Department of Intellectual Property has 15.What wherein relate to agricultural has 8, have four that relate to agricultural chemicals and growth regulator in these 8, these four plant growth regulator and method for making (200710011764.0) and a kind of mould compositions (201210558611.9) that press down that relate to respectively natural seed dressing agent and preparation method thereof (01145507.1), a kind of nuisance free coating agent for seeds and preparation method thereof (200610009904.6), a kind of containing water-soluble shitosan.In these patents, do not relate to the record of chitosan oligomer and the rear control of above three kinds of medicaments combination nematode.
The disclosed patent of thick spore Verticillium dahliae has 3.Three patents are all relevant nematocides, but in these three patents, just as the invention of the single use of thick spore Verticillium dahliae, and the drawback that has it to use as unitary agent on to the control efficiency of nematode.
Thick spore Verticillium dahliae Patents:
| Sequence number | Application number | Title |
| 1 | 201210144795.4 | A kind of wood sawdust is made granular formulation for killing nematode of carrier and preparation method thereof |
| 2 | 201210144954.0 | Contain nematicidal composition of thick spore Verticillium dahliae and Paecilomyces lilacinus and preparation method thereof |
| 3 | 201310023007.0 | A kind ofly take the method that biological particles charcoal produces granular formulation for killing nematode as carrier |
In above-mentioned three patents, do not relate to the case with chitosan oligomer and emamection benaoate and lythidathion combination.
The patent that emamectin-benzoate is relevant with lythidathion is more.But combining the case that laggard line worm prevents mutually, emamectin-benzoate and lythidathion and chitosan oligomer, thick spore Verticillium dahliae do not have yet.
Plant nematode is one of important pest in crops and forest pest, and decapacitation directly causes by hazardous material disease, also may propagate multiple other pathogenic microorganisms.According to FAO statistics, the loss that cause because of eelworm harm every year in the whole world is up to 1,000 hundred million dollars.At present nematoda control is that physical method and chemical method are used alternatingly, and high-toxic pesticide is used in chemical control substantially, and alternative low-toxin farm chemicals kind is few, and nematode easily develops immunity to drugs, and develops a brand-new agricultural chemicals difficulty larger.
Above four kinds of medicaments are being used in agricultural production, but as mentioned above, a kind of medicament of long-term single use very easily makes nematode develop immunity to drugs.Be necessary to develop comparatively safe and can delay the medicament that pesticide resistance produces.By applicant's years of researches, find, chitosan oligomer mixes use with one or more in thick spore Verticillium dahliae, emamectin-benzoate or lythidathion, can improve the induction of resistance of plant to self, reduce the generation of damage by disease and insect, can reach again the object of control nematode and other soil insects.These compositions, in control nematode and other insect pests, finding also has preventive and therapeutic effect to the fungoid of crop, the disease such as bacillary and viral, uses after these compositions, and above these diseases occur than contrasting few or not occurring.
Based on above reason, applicant has completed the present invention.
Summary of the invention
The object of the present invention is to provide a kind of composition with Synergistic, ratio is reasonable, control efficiency is good nematocide.
Another object of the present invention is to provide using method and the purposes of said composition.
Object of the present invention is achieved by following approach:
For a nematoda control composition pesticide, the present invention comprises active ingredient A and active ingredient B; Wherein active ingredient A is chitosan oligomer; Active ingredient B is any or any two kinds of combinations or any three kinds of combinations wherein of thick spore Verticillium dahliae or emamectin-benzoate or lythidathion.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is thick spore Verticillium dahliae, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 8.0 ± 1.0%, all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, weight content is 2.0 ± 0.5%; Active ingredient B is emamectin-benzoate, and in this composition pesticide, percentage by weight is 1.8 ± 0.5%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is lythidathion, and in this composition pesticide, percentage by weight is 8.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate, wherein, the content of thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of emamectin-benzoate and lythidathion, wherein, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate and three kinds of compositions of lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 3.0 ± 1.0%; Emamectin-benzoate percentage by weight in this composition pesticide is 0.8 ± 0.1%; Lythidathion percentage by weight in this composition pesticide is 3.0 ± 1.0%, and all the other are insecticides adjuvant.
Composition pesticide formulation of the present invention is any one formulation allowing on agricultural chemicals, and wherein preferred formulation is suspending agent, water dispersible granules, wetting powder and granule.
Applicant finds, chitosan oligomer and thick spore Verticillium dahliae, emamectin-benzoate or lythidathion are mixed into after agricultural chemicals aspect prevention and cure Plant nematode and other insects by different formulations, because above four kinds of compositions have different mechanism of action to insect, not only show additive property effect, and there is certain synergistic function, and maximize favourable factors and minimize unfavourable ones, reduced dosage, reduce use cost, slowed down the generation of pest resistance.Through applicant's test of nearly 5 years, show, after being mixed, in the process of control crop and forest nematode, using dosage does not increase and has shown good control efficiency yet, and contrasts medicament under identical using dosage, and reduction has appearred in control efficiency.
Composition of the present invention can adopt prior art, according to controlling object, environmental condition, prevent and treat the factors such as method, cost accounting, by containing various combinations in chitosan oligomer, thick spore Verticillium dahliae, emamectin-benzoate or lythidathion and suitable auxiliary agent, make the upper available any formulation of agricultural.Wherein preferred formulation is suspending agent, water dispersible granules, wetting powder and granule.
Above-mentioned suitable insecticides adjuvant is conventional insecticides adjuvant.Available filler, surfactant, essential oil or other additives in preparation technique, can be solid or liquid, for example the mineral matter, solvent, dispersant, wetting agent, emulsifier, acid-base modifier, stabilizing agent, antifreezing agent, excipient, bleeding agent, adhesive, thickener, fertilizer, mineral salt of natural or regeneration and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, select as required different insecticides adjuvants to be configured to corresponding formulation.
The processing technology of the various preparations of the present composition, adopts known formulations of pesticide processing method preparation, is method conventional in Pesticide formulation.
Using method of the present invention is for having produced the various combinations of the chitosan oligomer in described composition pesticide, thick spore Verticillium dahliae, emamectin-benzoate or lythidathion eelworm harm or had the position that produces eelworm harm danger with random order or processing simultaneously.
Composition of the present invention can provide with the form of mixture, and in composition finished product, each active ingredient mixes.Or each active ingredient also can provide with the form of single dose in composition, before using, in bucket or tank, directly mix, be then diluted to required concentration and use, also each active ingredient single dose can be diluted respectively, be applied to separately the control position of crop.
Although the preferred concentrate formulation of commercial product, end user normally will use after preparation dilution.
Composition of the present invention is mainly used in each planting fruit-trees such as control banana, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, other can, by all crops of eelworm harm and the nematode of forest, hold concurrently the crop such as tobacco, sugarcane and forest etc. simultaneously and prevent other insect pests.
The application of the present invention on above-mentioned crop, has reduced the consumption of chemosynthesis nematocide, has improved edaphon environment, extends the lasting period and delays the pesticide resistance of other chemical pesticides.
Compared with prior art, technical scheme of the present invention adopts chitosan oligomer, thick spore Verticillium dahliae, emamectin-benzoate or lythidathion as active ingredient, add the composition pesticide that certain insecticides adjuvant is mixed with certain formulation, produced following favourable benefit: (1) composition of the present invention shows as synergistic effect in certain ratio range, this composition pesticide control nematode effect has had raising than prior art; (2) reduce the application dosage of active ingredient, reduced dispenser cost, also reduced chemical pesticide residual to the harmful effect of environment and chemical pesticide; (3) the various active ingredient mechanism of action in the present composition are different, the application of composition can delay or overcome the pesticide resistance of pest, extend the service life of Pesticidal products of the present invention, reduce the consumption of chemosynthesis nematocide, improve edaphon environment; (4) present composition control spectrum is wide, effective to various crop insect.In control nematode and other insect pests, finding also has preventive and therapeutic effect to the fungoid of crop, the disease such as bacillary and viral, uses after these compositions, and above these diseases occur than contrasting few or not occurring.
Embodiment
For a nematoda control composition pesticide, the present invention comprises active ingredient A and active ingredient B; Wherein active ingredient A is chitosan oligomer; Active ingredient B is any or any two kinds of combinations or any three kinds of combinations wherein of thick spore Verticillium dahliae or emamectin-benzoate or lythidathion.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is thick spore Verticillium dahliae, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 8.0 ± 1.0%, all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, weight content is 2.0 ± 0.5%; Active ingredient B is emamectin-benzoate, and in this composition pesticide, percentage by weight is 1.8 ± 0.5%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is lythidathion, and in this composition pesticide, percentage by weight is 8.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate, wherein, the content of thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of emamectin-benzoate and lythidathion, wherein, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
Active ingredient A of the present invention is chitosan oligomer, and in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate and three kinds of compositions of lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 3.0 ± 1.0%; Emamectin-benzoate percentage by weight in this composition pesticide is 0.8 ± 0.1%; Lythidathion percentage by weight in this composition pesticide is 3.0 ± 1.0%, and all the other are insecticides adjuvant.
Composition pesticide formulation of the present invention is any one formulation allowing on agricultural chemicals, and wherein preferred formulation is suspending agent, water dispersible granules, wetting powder and granule.
Below in conjunction with example, the invention will be further described, but it is only example, but not scope of the present invention is enough become to restriction.What it will be understood by those skilled in the art that is that the present invention is not limited in subordinate's specific embodiment.Any improvement of having done according to the prompting of the specific embodiment of the invention and supplementary, all should be included in protection scope of the present invention.In an embodiment, the percentage composition of each component all refers to weight percentage, except as otherwise noted.
Embodiment 1: chitosan oligomer+thick spore Verticillium dahliae nematocide
By chitosan oligomer weight content in composition, be 2.0 (± 0.5) %, 2500000000 spores/gram the female powder of thick spore Verticillium dahliae weight content in composition be 8.0 (± 1.0) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, are used control nematode on the crops such as tobacco, sugarcane and forest respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of banana, Chinese rose and tobacco, control efficiency in Table.
Chitosan oligomer+thick spore Verticillium dahliae nematocide (using dosage is 1000 grams every mu)
Embodiment 2: chitosan oligomer+emamectin-benzoate nematocide
By chitosan oligomer weight content in composition, be 2.0 (± 0.5) %, emamectin-benzoate weight content in composition is 1.8 (± 0.5) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of capsicum, tobacco and cucumber, control efficiency in Table.
Chitosan oligomer+emamectin-benzoate nematocide (using dosage is 1000 grams every mu)
Embodiment 3: chitosan oligomer+lythidathion nematocide
By chitosan oligomer weight content in composition, be 2.0 (± 0.5) %, lythidathion weight content in composition is 8.0 (± 1.0) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of capsicum, oranges and tangerines and pine tree, control efficiency in Table.
Chitosan oligomer+lythidathion nematocide (using dosage is 1000 grams every mu)
Embodiment 4: chitosan oligomer+thick spore Verticillium dahliae+emamectin-benzoate nematocide
By chitosan oligomer weight content in composition, be 2.0 (± 0.5) %, 2500000000 spores/gram the female powder of thick spore Verticillium dahliae weight content in composition be 4.0 (± 1.0) %, emamectin-benzoate weight content in composition is 1.2 (± 0.5) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of banana, tomato and tobacco, control efficiency in Table.
Chitosan oligomer+thick spore Verticillium dahliae+emamectin-benzoate nematocide (using dosage is 1000 grams every mu)
Embodiment 5: chitosan oligomer+thick spore Verticillium dahliae+lythidathion nematocide
By chitosan oligomer weight content in composition, be 1.5 (± 0.5) %, 2500000000 spores/gram the female powder of thick spore Verticillium dahliae weight content in composition be 4.0 (± 1.0) %, lythidathion weight content in composition is 4.0 (± 1.0) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of sugarcane, pomegranate and capsicum, control efficiency in Table.
Chitosan oligomer+thick spore Verticillium dahliae+lythidathion nematocide (using dosage is 1000 grams every mu)
Embodiment 6: chitosan oligomer+emamectin-benzoate+lythidathion nematocide
By chitosan oligomer weight content in composition, be 1.5 (± 0.5) %, emamectin-benzoate weight content in composition is 1.2 (± 0.5) %, lythidathion weight content in composition is 4.0 (± 1.0) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of banana, cucumber and capsicum, control efficiency in Table.
Chitosan oligomer+emamectin-benzoate+lythidathion nematocide (using dosage is 1000 grams every mu)
Embodiment 7: chitosan oligomer+thick spore Verticillium dahliae+emamectin-benzoate+lythidathion nematocide
By chitosan oligomer weight content in composition, be 1.5 (± 0.5) %, 2500000000 spores/gram the female powder of thick spore Verticillium dahliae weight content in composition be 3.0 (± 1.0) %, emamectin-benzoate weight content in composition is 0.8 (± 0.1) %, lythidathion weight content in composition is 3.0 (± 1.0) %, can be mixed with missible oil, microemulsion, aqueous emulsion, suspending agent, water dispersible granules, wetting powder and granule.At each planting fruit-trees such as banana, grape, oranges and tangerines, the various vegetables such as capsicum, tomato, cucumber, balsam pear, ginger, green onion, are used control nematode on the crops such as Cereal, beans, potato class, tobacco, sugarcane, oil crop respectively.
In the present embodiment, selected the wherein basic, normal, high content of each active ingredient mutually to arrange in pairs or groups and be mixed, by pesticide processing requirement, add corresponding additive, be made into several formulations wherein, enumerate it simultaneously and as the controlling object of embodiment, detect the control efficiency of embodiment to crop nematode these several crops of oranges and tangerines, tobacco and tomato, control efficiency in Table.
Chitosan oligomer+thick spore Verticillium dahliae emamectin-benzoate+lythidathion nematocide (using dosage is 1000 grams every mu)
In above embodiment, applicant has carried out the test of 5 years continuously, finds in the contrast medicament of selecting, usage amount is lower at first, but As time goes on, usage amount will increase just can reach corresponding control efficiency, and the product the present invention relates to is not found corresponding problem.
These compositions, in control nematode and other insect pests, finding also has preventive and therapeutic effect to the fungoid of crop, the disease such as bacillary and viral, uses after these compositions, and above these diseases occur than contrasting few or not occurring.
Claims (9)
1. for a nematoda control composition pesticide, it is characterized in that, comprise active ingredient A and active ingredient B; Wherein active ingredient A is chitosan oligomer; Active ingredient B is any or any two kinds of combinations or any three kinds of combinations wherein of thick spore Verticillium dahliae or emamectin-benzoate or lythidathion.
2. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is thick spore Verticillium dahliae, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 8.0 ± 1.0%, all the other are insecticides adjuvant.
3. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, weight content is 2.0 ± 0.5%; Active ingredient B is emamectin-benzoate, and in this composition pesticide, percentage by weight is 1.8 ± 0.5%, and all the other are insecticides adjuvant.
4. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 2.0 ± 0.5%; Active ingredient B is lythidathion, and in this composition pesticide, percentage by weight is 8.0 ± 1.0%, and all the other are insecticides adjuvant.
5. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate, wherein, the content of thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and all the other are insecticides adjuvant.
6. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 4.0 ± 1.0%, lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
7. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of emamectin-benzoate and lythidathion, wherein, emamectin-benzoate percentage by weight in this composition pesticide is 1.2 ± 0.5%, and lythidathion percentage by weight in this composition pesticide is 4.0 ± 1.0%, and all the other are insecticides adjuvant.
8. according to claim 1 a kind of for nematoda control composition pesticide, it is characterized in that: described active ingredient A is chitosan oligomer, in this composition pesticide, percentage by weight is 1.5 ± 0.5%; Active ingredient B is the mixture of thick spore Verticillium dahliae and emamectin-benzoate and three kinds of compositions of lythidathion, wherein, the content of this thick spore Verticillium dahliae in female powder be 2,500,000,000 spores/gram more than, the female powder of thick spore Verticillium dahliae percentage by weight in this composition pesticide is 3.0 ± 1.0%; Emamectin-benzoate percentage by weight in this composition pesticide is 0.8 ± 0.1%; Lythidathion percentage by weight in this composition pesticide is 3.0 ± 1.0%, and all the other are insecticides adjuvant.
9. a kind of for nematoda control composition pesticide according to described in claim 1 to 8 any one, it is characterized in that: described composition pesticide formulation is any one formulation allowing on agricultural chemicals, wherein preferred formulation is suspending agent, water dispersible granules, wetting powder and granule.
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| CN201310585060.XA CN103598210A (en) | 2013-11-14 | 2013-11-14 | Pesticide composition for preventing and controlling nematode |
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| CN111727971A (en) * | 2020-06-11 | 2020-10-02 | 中科禾一（大连）农业科技有限公司 | Nematode inhibitor containing chitin oligosaccharide and application thereof |
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| CN110100831A (en) * | 2019-05-10 | 2019-08-09 | 谢祥英 | A kind of injection and application thereof containing emamectin benzoate |
| CN111727971A (en) * | 2020-06-11 | 2020-10-02 | 中科禾一（大连）农业科技有限公司 | Nematode inhibitor containing chitin oligosaccharide and application thereof |
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