CN104686537A - Compound nematode killing composition containing abamectin and amino-oligosaccharin and preparation method of composition - Google Patents
Compound nematode killing composition containing abamectin and amino-oligosaccharin and preparation method of composition Download PDFInfo
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- CN104686537A CN104686537A CN201510094977.9A CN201510094977A CN104686537A CN 104686537 A CN104686537 A CN 104686537A CN 201510094977 A CN201510094977 A CN 201510094977A CN 104686537 A CN104686537 A CN 104686537A
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Abstract
The invention discloses a compound nematode killing composition containing abamectin and amino-oligosaccharin and a preparation method of the composition. The effective and active components of the compound nematode killing composition are abamectin and amino-oligosaccharin in the weight ratio of 1:200-200:1; the nematode killing composition further contains a solvent, auxiliaries, a carrier and a stabilizer. According to the compound nematode killing composition, the abamectin and the amino-oligosaccharin are combined to achieve a synergistic effect, and therefore, the nematode killing effect is better than the nematode killing effect of single use of the abamectin and the amino-oligosaccharin; the abamectin and the amino-oligosaccharin serve as biological source pesticides and are environmentally friendly and safe; the nematode killing composition is used for overcoming the problems of resistance of the nematode to pesticides, long medicine development period and the like.
Description
Technical field
The invention belongs to disinfectant use in agriculture field, particularly relate to a kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide and preparation method thereof.
Background technology
The root of the various vegetables of root-knot nematode main harm, shows as side root and fibrous root compared with normal increases, and on the fibrous root of young root, form the white root nodule that spherical or taper shape differs in size, have in beads shape.Short and small, slow, the leaf color anomaly of killed strain overground part growth, result is few, yields poorly, and even causes plant dead in advance.The nematode of current known danger to vegetables mainly contains high bow root-knot nematode, peanut root-knot nematode, M hapla and Meloidogyne incognita.Nematode host range is extensive, and 30 various vegetables such as normal harm is melon, solanaceous vegetables, beans and radish, carrot, lettuce, Chinese cabbage, can also propagate some fungus and bacterium venereal diseases evil.
Avermectin (Abamectin) is the natural products separated from edaphon, be ten hexa-atomic macrolide disaccharide compounds, this compound, to disturb the special insecticidal mechanism of insect nerve conduction, has insects and mites and tags and stomach poison function.Avermectin extensively makes to be applied in agricultural production as nematocide in recent years, quite becomes effective.But commercially available Avermectin nematocide mostly is single dose, there is the shortcoming that lethal effect is slow, compounded combination is few.
Amino-oligosaccharide (chitosan oligosaccharide) a kind of is first degraded degraded is obtained again after shitosan by chitin, or extracted the low toxicity bactericide obtained by fermentable.This compound not only has extremely strong control and eradicant action to fungi, bacterium, virus, but also has nutrition, adjustment, removing toxic substances, antibacterial effect.Agriculture chemical registration is also used for fungal disease control, 0.2% chitosan oligosaccharide process can the generation of controlling disease preferably.
To sum up, be difficult to control based on agriculturally root-knot nematode disease, most of nematocide component is single, and Long-Time Service, easily produces resistance, and research and development novel agrochemical complex composition nematocide has great importance.In prior art, Avermectin is conventional nematocide, and preventive effect is good, but effect slowly, compounded combination is few, and amino-oligosaccharide is common fungicide, and both are biogenic pesticide, low toxic and environment-friendly, so far not using Avermectin and the composite application study as nematocide of amino-oligosaccharide.Therefore, Avermectin and the composite pharmaceutical composition of amino-oligosaccharide and application thereof need further research.
Summary of the invention
In view of this, be necessary for the problems referred to above, provide a kind of and effectively contain composite nematicidal composition of Avermectin and amino-oligosaccharide and preparation method thereof.
In order to solve the problem, the present invention adopts following technical scheme:
Contain a composite nematicidal composition for Avermectin and amino-oligosaccharide, the effective active component of described nematicidal composition is Avermectin and amino-oligosaccharide, and the weight ratio of described Avermectin and amino-oligosaccharide is 1:200 ~ 200:1.
Wherein in some embodiments, the weight ratio of described Avermectin and amino-oligosaccharide is 1:100 ~ 100:1.
Wherein in some embodiments, the weight ratio of described Avermectin and amino-oligosaccharide is 1:20 ~ 50:1.
Wherein in some embodiments, the weight ratio of described Avermectin and amino-oligosaccharide is 1:4 ~ 3:2.
Wherein in some embodiments, the weight ratio of described Avermectin and amino-oligosaccharide is 1:1.
Wherein in some embodiments, the percentage by weight that described active component accounts for described composition is 0.2% ~ 40%.
Wherein in some embodiments, the percentage by weight that described active component accounts for described composition is 0.2% ~ 20%.
Wherein in some embodiments, the percentage by weight that described active component accounts for described composition is 1%.
In the present invention, also containing stabilizing agent, solvent, auxiliary agent and carrier in described composite nematicidal composition, said components is various compositions that are conventional in pesticidal preparations or permission use, and concrete composition and consumption carry out experiment sieving according to recipe requirements.Described stabilizing agent is one or both in castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and BHA; Described solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, dimethyl sulfoxide (DMSO); Described auxiliary agent is fine particle calcium carbonate, polyvinyl alcohol, POLYPROPYLENE GLYCOL, white carbon, pull open in powder, carboxymethyl cellulose one or more; Described carrier is sepiolite, concave convex rod, kaolin or diatomite.
Wherein in some embodiments, the described composite nematicidal composition containing Avermectin and amino-oligosaccharide is made up of the component of following percentage by weight:
Wherein in some embodiments, the described composite nematicidal composition containing Avermectin and amino-oligosaccharide is made up of the component of following percentage by weight:
Wherein in some embodiments, the described composite nematicidal composition containing Avermectin and amino-oligosaccharide is made up of the component of following percentage by weight:
Present invention also offers the above-mentioned preparation method containing the composite nematicidal composition of Avermectin and amino-oligosaccharide, comprise the following steps:
(1) by dispersed in the homogenizer that solvent, auxiliary agent and stabilizing agent are housed for female to former for Avermectin medicine and amino-oligosaccharide medicine, the homogeneous Avermectin of viscosity and amino-oligosaccharide mixed liquor is obtained;
(2) obtained mixed liquor is transferred in high-level container;
(3) carrier is rendered in agitator;
(4) start agitator, open the baiting valve of high-level container, add mixed liquor; Absorption method granulation.
Present invention also offers the above-mentioned another kind of preparation method containing the composite nematicidal composition of Avermectin and amino-oligosaccharide, comprise the following steps:
(1) former for Avermectin medicine and partial solvent, auxiliary agent, stabilizing agent and carrier are mixed in homogenizer, dispersed;
(2) by female to residual solvent, auxiliary agent, stabilizing agent and amino-oligosaccharide medicine mixing, load in seed-coating machine;
(3) mixture that step (1) is obtained is sprayed in seed-coating machine, start seed-coating machine, dressing;
(4) particle drying, to obtain final product.
Compared with prior art, the present invention has following beneficial effect:
1), Avermectin and amino-oligosaccharide combinationally use by the composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present invention, play synergistic function, kill nematode effect and kill nematode better effects if than single use Avermectin and amino-oligosaccharide; Avermectin and amino-oligosaccharide as biogenic pesticide, Environmental Safety, nematicidal composition of the present invention overcomes nematode and produces the problems such as resistance and new drug development cycle be long to agricultural chemicals;
2), in addition, amino-oligosaccharide can also urge root strong sprout, strengthens the resistance of crop, and Promoting plant growth is grown, and therefore, the application prospect of composite nematicidal composition of the present invention in integrated pest control in agriculture will be very wide.
Embodiment
For a better understanding of the present invention, be described further below in conjunction with specific embodiment.If no special instructions, use detection method, preparation method etc. to be well known to the skilled person in the present invention, this is no longer going to repeat them; The raw material used in the present invention all derives from commercially available.
Embodiment 1
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
Embodiment 2
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
Embodiment 3
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
The preparation method of the composite nematicidal composition of embodiment 1 ~ 3 comprises the following steps:
(1) by dispersed in the homogenizer that solvent, auxiliary agent and stabilizing agent are housed for female to former for Avermectin medicine and amino-oligosaccharide medicine, the homogeneous Avermectin of viscosity and amino-oligosaccharide mixed liquor is obtained;
(2) obtained mixed liquor is transferred in high-level container;
(3) carrier kaolin is rendered in agitator;
(4) start agitator, open the baiting valve of high-level container, add mixed liquor, absorption method makes particle.
Embodiment 4
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
Embodiment 5
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
Embodiment 6
A kind of composite nematicidal composition containing Avermectin and amino-oligosaccharide of the present embodiment, is made up of following component:
The preparation method of the composite nematicidal composition of embodiment 4 ~ 6 comprises the following steps:
(1) former for Avermectin medicine and partial solvent, auxiliary agent, stabilizing agent and carrier are mixed in homogenizer, dispersed;
(2) by female to residual solvent, auxiliary agent, stabilizing agent and amino-oligosaccharide medicine mixing, load in seed-coating machine;
(3) mixture that step (1) is obtained is sprayed in seed-coating machine, start seed-coating machine, dressing;
(4) particle drying, to obtain final product.
The composite nematicidal composition obtained to embodiment 1 ~ 6, inspection the following technical indicator:
The mensuration of Avermectin content adopts high efficiency liquid phase chromatographic analysis method;
The mensuration of amino-oligosacchride cellulose content adopts spectrophotometric method.
The assay method of expulsion rate is as follows: take sample 100g, be accurate to 0.1g, be placed in batch can, the rotating speed adjusting parallel gyrosphere grinding machine is 75r/min, ball milling 15min, takes out whole material (comprising powder), crosses 0.5mm sieve, the lower sample of sieve weighs, and expulsion rate calculates by formula (1):
The mensuration of other indexs also all adopts national standard method, and pH value measures according to GB/T 1601-1993;
The mensuration of moisture is according to GB/T 1600-2001;
Heat storage stability is according to GB/T 19136-2003.
The all technical of the composite nematicidal composition of embodiment 1 ~ 6, the results are shown in Table 1, and table 1 result shows that all technical all within the limits prescribed.
Table 1 composite granular formulation for killing nematode item controlled index
| Project | Index |
| Avermectin content, % | Meet target call |
| Amino-oligosacchride cellulose content, % | Meet target call |
| PH value | 5.0～8.0 |
| Moisture content, % | ≤5.0 |
| Expulsion rate, % | ≤5.0 |
| Heat storage stability | Qualified |
Test example 1 Toxicity Determination
For overcoming and delay the pesticide resistance of insect, extend the service life of old pesticide species, Avermectin and amino-oligosaccharide are carried out agriculture chemical compounding by this test example, study the indoor virulence to Meloidogyne incognita.
Formula 1-13 is respectively: Avermectin: amino-oligosaccharide=1:200,1:100,1:50,1:20,1:4,2:3,1:1,3:2,4:1,20:1,50:1,100:1,200:1.
The tomato root of picking artificial infection Meloidogyne incognita, smashes with tissue mashing machine, crosses 200 orders, 325 orders, 500 order nematode standard screens successively, with the worm's ovum on aseptic water washing 500 mesh sieve, is mixed with ovum suspension (100 ovum/mL).Separately put part ovum to hatch in sterile water, get the larva (2 instar larvae) hatched for the 2nd day and supply test, test different formulations preparation is to nematode larval or ovum suspension (100 nematode/mL, or 100 ovum/mL, relative moisture 80% ~ 90%, cultivate under temperature 24 ~ 26 DEG C of conditions, take clear water as contrast, each process 3 times repeats) virulence.
The co-toxicity coefficient (CTC value) of composite nematicidal composition calculates by formula (2), formula (3) and formula (4):
ATI＝S/M×100………………………………………………………(2)
TTI＝TI
A×P
A+TI
B×P
B…………………………………………………(3)
CTC＝ATI/TTI×100…………………………………………………(4)
Co-toxicity coefficient CTC >=120 of composite nematicidal composition show as synergistic effect, and CTC≤80 show as antagonism, and 80 < CTC < 120 show as summation action.The results are shown in Table shown in 2, wherein, active ingredient a is Avermectin, and active ingredient b is amino-oligosaccharide.
The Toxicity Determination result of the composite nematicidal composition of table 2
Show as synergistic effect according to CTC >=120, from above result, Avermectin and amino-oligosaccharide composite, when proportioning is between 1:200 ~ 200:1, co-toxicity coefficient is all more than 80, and complex composition does not occur antagonism; When proportioning is between 1:20 ~ 50:1, co-toxicity coefficient, all more than 120, has synergistic effect to Meloidogyne incognita; Especially, time between 1:4 ~ 3:2, co-toxicity coefficient is all more than 150, and synergistic effect is more outstanding; When the proportioning of Avermectin and amino-oligosaccharide is 1:1, synergistic effect is the most obvious.
Test example 2 test of pesticide effectiveness
Based on pesticide cost and peasant household, with medicament is accustomed to, the present invention adopts the nematicidal composition granule of embodiment 1, makes cucumber root-knot nematode field control effectiveness test, often processes in triplicate, the repetition of one, every community, adopts the group arrangement of random district, plot area 20m
2, shallow mixed in broadcasting preplanting treatment dispenser, sow immediately.Respectively at 20 days, 40 days investigation root-knot nematode quantity after medicine.Adopt diagonal sampling method, often some sampling 3 strains, investigation disease index and the incidence of disease.
The criteria for classification of root-knot nematode harm, according to root knot raw number the state of an illness is divided into Pyatyi:
0 grade: without root knot;
1 grade: root knot accounts for 1% ~ 25% of full root system;
2 grades: root knot accounts for 26% ~ 50% of full root system;
3 grades: root knot accounts for 51% ~ 75% of full root system;
4 grades: root knot accounts for 76% ~ 100% of full root system.
The disease index of cucumber root-knot nematode is calculated by formula (5) and (6):
Result of the test is in table 3.
Table 3 after 40 days different agents to the control efficiency of cucumber root-knot nematode
| Treatment agent | Dosage | Disease index | Preventive effect (%) |
| 0.5% Avermectin GR | 2kg/ mu | 24.16 | 75.84 |
| 0.5% amino-oligosaccharide GR | 2kg/ mu | 55.37 | 44.63 |
| Phonamiphos | 2kg/ mu | 43.73 | 56.27 |
| Carbosulfan | 2kg/ mu | 52.64 | 47.36 |
| The composition of embodiment 1 | 1kg/ mu | 26.09 | 73.91 |
| The composition of embodiment 1 | 2kg/ mu | 17.95 | 82.05 |
| CK | / | 100 | / |
Field experiment result shows: under same dose, the nematicidal composition contrast Abamectin of embodiment 1 and amino-oligosaccharide granule, be much improved to the preventive effect of cucumber root-knot nematode, contrast nematocide phonamiphos common on the market and carbosulfan, preventive effect is remarkable.Within the scope of this test using dosage, poisoning phenomenon is not occurred to cucumber, can promote the use of.
It is few that the present invention has equipment investment, and technique is easy to control, constant product quality, can the feature such as continuous seepage, and be suitable for suitability for industrialized production, its yield is higher than 99%.The control of nematicidal composition of the present invention to nematode shows notable synergistic effect, is conducive to reducing pesticide usage amount, increases the service life, and slows down resistance and produces.
More promising, nematicidal composition of the present invention not only has good preventive effect in control nematode, and can urge root strong sprout, strengthens the resistance of crop, Promoting plant growth growth, and raising crop quality, has certain resistant effect simultaneously.Nematicidal composition active component of the present invention is natural products, soil in by adsorption by soil after can be decomposed by the microorganisms, thus in the environment without summation, Environmental Safety, as of an integrated control important component part, can be suitable for agricultural extension.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. containing a composite nematicidal composition for Avermectin and amino-oligosaccharide, it is characterized in that, Avermectin and the amino-oligosaccharide of the effective active component of described nematicidal composition to be weight ratio be 1:200 ~ 200:1.
2. composite nematicidal composition according to claim 1, is characterized in that, the weight ratio of described Avermectin and amino-oligosaccharide is 1:100 ~ 100:1.
3. composite nematicidal composition according to claim 2, is characterized in that, the weight ratio of described Avermectin and amino-oligosaccharide is 1:20 ~ 50:1.
4. composite nematicidal composition according to claim 3, is characterized in that, the weight ratio of described Avermectin and amino-oligosaccharide is 1:4 ~ 3:2.
5. composite nematicidal composition according to claim 4, is characterized in that, the weight ratio of described Avermectin and amino-oligosaccharide is 1:1.
6. the composite nematicidal composition according to any one of Claims 1 to 5, is characterized in that, the percentage by weight that described active component accounts for described composition is 0.2% ~ 40%.
7. composite nematicidal composition according to claim 6, is characterized in that, the percentage by weight that described active component accounts for described composition is 0.2% ~ 20%.
8. composite nematicidal composition according to claim 7, is characterized in that, the percentage by weight that described active component accounts for described composition is 1%.
9. composite nematicidal composition according to claim 1, it is characterized in that, also containing stabilizing agent, solvent, auxiliary agent and carrier in described composite nematicidal composition, described stabilizing agent is one or both in castor oil, soybean oil, epoxidized soybean oil, propane diols, isopropyl alcohol, BHT and BHA; Described solvent is one or both among methoxybenzene, mineral oil, isopropyl alcohol, n-butanol, dimethyl sulfoxide (DMSO); Described auxiliary agent is fine particle calcium carbonate, polyvinyl alcohol, POLYPROPYLENE GLYCOL, white carbon, pull open in powder, carboxymethyl cellulose one or more; Described carrier is sepiolite, concave convex rod, kaolin or diatomite.
10. contain a preparation method for the composite nematicidal composition of Avermectin and amino-oligosaccharide, it is characterized in that, comprise the following steps:
(1) by dispersed in the homogenizer that solvent, auxiliary agent and stabilizing agent are housed for female to former for Avermectin medicine and amino-oligosaccharide medicine, the homogeneous Avermectin of viscosity and amino-oligosaccharide mixed liquor is obtained;
(2) obtained mixed liquor is transferred in high-level container;
(3) carrier is rendered in agitator;
(4) start agitator, open the baiting valve of high-level container, add mixed liquor; Absorption method granulation, to obtain final product;
Or comprise the following steps:
(1) former for Avermectin medicine and partial solvent, auxiliary agent, stabilizing agent and carrier are mixed in homogenizer, dispersed;
(2) by female to residual solvent, auxiliary agent, stabilizing agent and amino-oligosaccharide medicine mixing, load in seed-coating machine;
(3) mixture that step (1) is obtained is sprayed in seed-coating machine, start seed-coating machine, dressing;
(4) particle drying; Obtain.
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| CN106508955A (en) * | 2016-08-25 | 2017-03-22 | 上海贯发海洋生物科技有限公司 | Nematode killing composition containing polymeric iodine and application of composition |
| CN107047609A (en) * | 2017-04-20 | 2017-08-18 | 深圳诺普信农化股份有限公司 | A kind of microcapsule suspending agent |
| CN109042744A (en) * | 2018-07-23 | 2018-12-21 | 南宁市天利农资有限公司 | A kind of nematode 1 year two anti-control method |
| CN109452102A (en) * | 2018-10-19 | 2019-03-12 | 广西铭和农业科技发展有限公司 | A kind of quincuncial pile formula dragon fruit plantation frame and dragon fruit implantation methods |
| 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 |
| CN113647396A (en) * | 2021-09-07 | 2021-11-16 | 四川眉山凯尔化工有限公司 | Composition for killing nematodes and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106508955A (en) * | 2016-08-25 | 2017-03-22 | 上海贯发海洋生物科技有限公司 | Nematode killing composition containing polymeric iodine and application of composition |
| CN107047609A (en) * | 2017-04-20 | 2017-08-18 | 深圳诺普信农化股份有限公司 | A kind of microcapsule suspending agent |
| CN109042744A (en) * | 2018-07-23 | 2018-12-21 | 南宁市天利农资有限公司 | A kind of nematode 1 year two anti-control method |
| CN109452102A (en) * | 2018-10-19 | 2019-03-12 | 广西铭和农业科技发展有限公司 | A kind of quincuncial pile formula dragon fruit plantation frame and dragon fruit implantation methods |
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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 |
| CN113647396A (en) * | 2021-09-07 | 2021-11-16 | 四川眉山凯尔化工有限公司 | Composition for killing nematodes and preparation method thereof |
| WO2023087410A1 (en) * | 2021-11-22 | 2023-05-25 | 河北威远生物化工有限公司 | Insecticidal composition containing emamectin b2a benzoate |
| CN115448780A (en) * | 2022-08-31 | 2022-12-09 | 贵州省山地资源研究所 | Composite resistance inducer and method for preventing and controlling southern root-knot nematodes of kiwi fruits step by step |
| CN115448780B (en) * | 2022-08-31 | 2023-08-01 | 贵州省山地资源研究所 | Composite resistance inducer and method for preventing and controlling kiwi fruit southern root-knot nematodes in steps |
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Application publication date: 20150610 |