CN102726519A - Grain storage protectant containing spinetoram and sterculic acid, and preparation method thereof - Google Patents

Grain storage protectant containing spinetoram and sterculic acid, and preparation method thereof Download PDF

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Publication number
CN102726519A
CN102726519A CN2012102324148A CN201210232414A CN102726519A CN 102726519 A CN102726519 A CN 102726519A CN 2012102324148 A CN2012102324148 A CN 2012102324148A CN 201210232414 A CN201210232414 A CN 201210232414A CN 102726519 A CN102726519 A CN 102726519A
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grain storage
protective agent
ethyl pleocidin
storage protective
present
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邓树华
吴树会
周剑宇
覃世民
胡飞俊
张晓燕
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HUNAN SCIENTIFIC RESEARCH AND DESIGN Institute
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HUNAN SCIENTIFIC RESEARCH AND DESIGN Institute
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Abstract

The invention provides a novel grain storage protectant which is characterized by comprising effective ingredients spinetoram and sterculic acid at weight ratio of (1-50):(30-0.2). The protectant not only has good prevention and control effect on larva of Sitotroga cerealella and Plodia interpunctella, but also can control pests including Rhizopertha dominica, Sitophilus zeamais and Cryptolestes ferrugineus, can protect grains from invasion in 8-10 months, avoid pesticide residue and reduce loss of grain storage enterprises.

Description

A kind of grain storage protective agent that contains ethyl pleocidin and sterculic acid and preparation method thereof
Technical field
The present invention relates to the agriculture chemical compounding technical field, be specifically related to a kind of grain storage protective agent that contains ethyl pleocidin and sterculic acid.
Background technology
China is the first in the world populous nation, and foodstuff preservation safety is concerning national economy.At present, China national treasury and farmer storage control of insect mainly rely on chemical agent.Along with a large amount of long-term of chemical pesticide use, not only pest resistance, harmful organism again wildness and residues of pesticides three big problems be on the rise, and chemical pesticide contaminated environment threatens human body health.It is increasingly high that superseded height poisons the cry of the medicine of learning to farm.Green, ecological control of insect technology becomes a kind of development trend.
Ethyl pleocidin (spinetoram) is that its main component is the mixture (ratio is 3: 1) of ethyl pleocidin-J and ethyl pleocidin-L by a kind of novel microbial pesticide of The Dow Agrosciences, LLC.'s exploitation.Ethyl pleocidin because of the desinsection wide spectrum, little to main useful insect influence, the unit are use amount is lower, in environment advantage such as residual weak point, obtain 2008 " US President's green chemical challenge prize ".
Sterculic acid is palm leaf duckweed mother-in-law (Sterchlia foetia L.) seed acetone extraction material, molecular formula C 19H 34O 2For, structural formula does
Figure BSA00000745034100011
Palm leaf sterculia nobilis is Sterculiaceae fallen leaves property arbor; Mainly be distributed in torrid areas such as southern Asia, East Africa, the north, Australia.; Modern pharmacology research shows that palm leaf sterculia nobilis has anti-inflammatory and nervous centralis inhibitory action; India scholar in 2006 finds that at first its seed extract has good prevention effect to grain storage pests such as Callosobruchus chinensis, rice weevils, and research shows that its active insecticidal components is a sterculic acid.
Pathogenesis
Ethyl pleocidin has very strong action of contace poison, and insects such as lesser grain borer, sitophilus zea-mais are had the better controlled effect, and is general to lepidoptera pest effects such as gelechiid, India rain moths.Its mechanism of action is to act on nAChR and r-reanal acceptor in the insect nerve, causes polypide insensitive to the signal transfer reaction of excitability or inhibition.Influence normal nervous activity, until death.This insecticidal mechanism is novel and unique in known microbial pest control product.
Sterculic acid is main with stomach toxicity, and certain action of contace poison and fumigation action are arranged, and lepidoptera pests such as sitophilus zea-mais, rusty grain beetle and gelechiid, India rain moth are had good prevention effect.Its insecticidal mechanism is still indeterminate at present.
The present invention composite through to two kinds of medicaments not only can remedy two kinds of medicaments and use the narrow problem of insecticidal spectrum separately, and two kinds of composite reagents also have good synergistic effect simultaneously.
Summary of the invention
The objective of the invention is: made grain storage pest produce resistance and the issuable residual harm of the process of preventing and treating thereof to chemical agent, a kind of green novel grain storage protective agent is provided: the main active ingredient of this grain storage protective agent is ethyl pleocidin and sterculic acid.
One of important technology characteristic of grain storage protective agent of the present invention is: two kinds of active ingredients of ethyl pleocidin and sterculic acid are joined mutually, and its mass percent is 1-50: 0.2-30, and its optimal proportion is 3-30: 5-25.
The another one important technology characteristic of grain storage protective agent of the present invention is: formulation of the present invention comprises aqueous emulsion, granule, microemulsion, missible oil, wettable powder, microcapsule suspending agent, water dispersible granules.Wherein in pesticidal preparations, the percentage that the gross mass of two kinds of active ingredients accounts for the total formulation gross mass is 1%-90%, preferential 2%-20%, and all the other components are the relevant complementary component of usual auxiliaries and formulation preparation in the agricultural chemicals.
When grain storage protective agent of the present invention was wettable powder, the mass percent of component was ethyl pleocidin 1-50%, and sterculic acid is 0.2-30%; Dispersant 2-15%, wetting agent are 3-10%, filler 10-70%; Mix by above-mentioned prescription; In stirred tank, evenly stir, after mixing, promptly can be made into wettable powder of the present invention.
When grain storage protective agent of the present invention was suspending agent, the mass percent of component was ethyl pleocidin 1-50%, and sterculic acid is 0.2-30%, dispersant 6-15%; Antifreezing agent is 3-10%, and filler 10-70%, thickener are 0.1-2%, antifoaming agent 0.1-0.8%; Surplus is supplied by water, earlier with other auxiliary agent mixings, mixes through high speed shear, adds ethyl pleocidin and sterculic acid; In ball crusher abrading-ball 2-3 hour, make a diameter less than 5 millimeters, promptly can be made into suspending agent of the present invention.
When grain storage protective agent of the present invention was missible oil, the mass percent of component was ethyl pleocidin 1-50%, and sterculic acid is 0.2-30%, and emulsifying agent is 1-15%, the solvent complementary component.The missible oil preparation is dissolved in the volume according to the ethyl pleocidin and the sterculic acid of formula rate with capacity, adds surfactant and other components, mixes, and promptly can be made into missible oil of the present invention.
When grain storage protective agent of the present invention was granule, the mass percent of component was ethyl pleocidin 1-50%, and sterculic acid is 0.2-30%, clay 1-30%, and sepiolite 30-95%, but be not limited thereto.Processing method is dissolved in special acetone solvent for by filling a prescription ethyl pleocidin and sterculic acid, is made into the ultramicron spray solution, in the disk mixer, mixes with carriers such as clay, diatomite, sepiolites, sends into the abundant mixing of double worm mixer then.Promptly can be made into granule of the present invention.
When grain storage protective agent of the present invention was microcapsule formulations, the mass percent of component was: ethyl pleocidin 1-50%, sterculic acid are 0.2-30%; Cyst material 1-7%, protection glue 0.1-3% emulsifying agent 2-5%, dispersant 2-5%; Assistant 0-14%, water is supplied surplus.Two kinds of former medicines and wetting dispersing agent are dropped in the proper amount of solvent, and then through the skin grinder sand milling, an amount of capsule wall material monomer of adding stirs and obtains oil phase in the good material of sand milling; In water, add emulsifying agent in advance, assistant stirs, and adds oil phase then, the high speed homogenizing forms the stabilized oil-in-water emulsion; Reduce rotating speed; Under appropraite condition, carry out interface polymerization reaction, kept 4-24 hour, make cyst material be solidified into capsule.Promptly can be made into microcapsule formulations of the present invention.
Beneficial effect:
The present invention has following advantage:
1, have good tag, stomach poison function, its desinsection scope can cover main grain storage pest, like lesser grain borer, sitophilus zea-mais, rusty grain beetle, moth class etc.
2, the former medicine that the present invention adopted is biologic product, green, environmental protection, and free from extraneous odour does not pollute grain, and is safe and reliable, do not injure operating personnel.
3, adopt unique " oven dry-grinding-absorption " technology, select carrier for use, make product more even, played key effect for the protection phase of prolongation medicament with good absorption and sustained release performance.
4, these article combine with phosphine fumigation, can give full play to protection phase length of the present invention and hydrogen phosphide desinsection advantage rapidly, can grain storage pest be controlled in the economic threshold that allows.
5, production process does not have the high energy cracking, need not the chemical industry synthetic reaction yet, and no waste water, waste gas, discarded object are discharged, and help environmental protection.
The specific embodiment
Be easy to understand and understand in order to make technological means of the present invention, creation characteristic, workflow, method for using reach purpose and effect,, further set forth the present invention below in conjunction with specific embodiment.
1.1 indoor pharmacodynamic test
The present invention, ethyl pleocidin, sterculic acid, triumphant security, pest control phosphorus and 6 processing of blank are established in test, and each is handled 5 times and repeats.Each repeats with pack into wheat (moisture 13.5%) 1000g of the various medicaments of mix of 5000ml wide-mouth bottle; Respectively at next day with whenever connect worm once at a distance from 30 days; Each insert lesser grain borer, sitophilus zea-mais, each 10 of rusty grain beetle adults and 3 ages 30 of above gelechiid, Indian meal moth larvas, the wide-mouth bottleneck seals with 149 μ m (100 order) copper mesh.Connect worm at every turn and jig inspection insect death condition with 1.0mm after 15 days, and remove the worm that lives, be convenient to connect next time worm and measure.The test dose of various medicaments is seen result of the test.Test is carried out in 28 ℃ of thermostatic chambers, and in January, 2010, finish June in the same year, carried out 6 months altogether.
1.2 real storehouse pilot scale
The present invention, ethyl pleocidin, triumphant security-desinsection pine, sterculic acid, 4 processing are established in test, and using dosage is identical with indoor pharmacodynamic test; Each is handled 3 times and repeats each reprocessing paddy 5000kg.Supply the reagent agent on conveyer belt, to apply in the paddy, movable property is given birth at the conveyer belt upper reaches jolts and the coherence of being scattered that forms when falling is sneaked in the paddy equably with paddy for it.After mixing supplied the reagent agent, paddy stored to enclose bag bulk storage mode, i.e. the 2000kg woven bag of packing into piles height, wide, length is the periphery of 1.2 * 2.5 * 3.0m, 3000kg loose pile up enclose in, strickling grain face.With 1.0mm worm sieve investigation insect density, each repeated sampling 1.0kg calculates number of pest before the medicine.Use the insect density that respectively repeats paddy with the quadrat method periodic investigation behind the medicine.
Other establishes a blank, and paddy 200kg divides 3 gunnysack dresses, not dispenser, and all the other are the same.In July, 2010, finish in June, 2011, carried out 12 months altogether.
2, result of the test
2.1 indoor insecticidal effect
The insecticidal effect of plain brilliant grain storage protective agent, ethyl pleocidin, Bt, contrast medicament is seen table 1, table 2, table 3, table 4 and table 5.
Five kinds of medicaments of table 1 are to the insecticidal effect of corundum Sitophilusspp. imago
Figure BSA00000745034100051
Five kinds of medicaments of table 2 are to the insecticidal effect of rusty grain beetle adult
Figure BSA00000745034100052
Five kinds of medicaments of table 3 are to the insecticidal effect of lesser grain borer adult
Figure BSA00000745034100061
Can know that from table 1, table 2, table 3 the present invention obviously is superior to many sterilizations of ethyl and sterculic acid list usefulness to the indoor control effect of three kinds of main grain storage pests, the prevention effect of become rusty red flat paddy, sitophilus zea-mais is better than triumphant security and pest control phosphorus is suitable basically; Prevention effect to lesser grain borer is better than pest control phosphorus, and is suitable basically with the effect of triumphant security.
2.2 the result of real storehouse pilot scale
Figure BSA00000745034100062
Figure BSA00000745034100071
Can know that from last table the present invention has good prevention effect to common grain storage pest, effectively the protection phase surpasses 10 months, and is suitable with the triumphant security effect of chemical grain storage protective agent, is superior to pest control phosphorus.
The research of laboratory experiment and the pilot scale of real storehouse shows: the present invention is remarkable to the control action of main grain storage pest, can reach vermins-proof effect through disturbing its history of life.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.

Claims (5)

1. novel grain storage protective agent is characterized in that: the active ingredient of this grain storage protective agent is by ethyl pleocidin and composite the forming of duckweed mother-in-law acid, and its mass percent is 1-50: 30-0.2.
2. grain storage protective agent according to claim 1 is characterized in that: on the basis of the experimental verification that the specific aim prescription screens, active ingredient is 3-30: 5-25 by the best in quality percentage of ethyl pleocidin and duckweed mother-in-law acid.
3. according to claim 1 and 2 described grain storage protective agents, it is characterized in that: to account for the percentage of gross mass be 1%-90% for ethyl pleocidin and duckweed mother-in-law acid in the preparation.
4. grain storage protective agent according to claim 3 is characterized in that: to account for the percentage of gross mass be 2%-20% for ethyl pleocidin and duckweed mother-in-law acid in the preparation.
5. according to the described grain storage protective agent of claim 1 to 4, it is characterized in that: formulation comprises aqueous emulsion, granule, microemulsion, missible oil, wettable powder, microcapsule suspending agent, water dispersible granules.
CN2012102324148A 2012-06-28 2012-06-28 Grain storage protectant containing spinetoram and sterculic acid, and preparation method thereof Pending CN102726519A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105309612A (en) * 2014-08-04 2016-02-10 湖南省粮油科学研究设计院 Green insect-and-mildew inhibitor for grain storage and preparation method of insect-and-mildew inhibitor
CN107318895A (en) * 2017-07-25 2017-11-07 广西南宁市宾阳县聚丰米业有限公司 A kind of composition for preventing and treating storage pest
CN107347991A (en) * 2017-07-31 2017-11-17 广西南宁市宾阳县聚丰米业有限公司 A kind of method of granary prevention storage pest
CN110313490A (en) * 2018-03-30 2019-10-11 湖南省粮油产品质量监测中心 A kind of rice insects repellant and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1031012A (en) * 1987-08-07 1989-02-15 国际壳牌研究有限公司 The composition pesticide of stabilisation
CN102342291A (en) * 2011-11-17 2012-02-08 山东海利尔化工有限公司 Pesticide composition containing spinetoram and pyrethroid compound
CN102362601A (en) * 2011-11-12 2012-02-29 青岛凯源祥化工有限公司 Insecticidal composition containing spinetoram and lythidathion
CN102396487A (en) * 2011-12-20 2012-04-04 广西田园生化股份有限公司 Pesticide composition containing spinetoram and thiamethoxam

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1031012A (en) * 1987-08-07 1989-02-15 国际壳牌研究有限公司 The composition pesticide of stabilisation
CN102362601A (en) * 2011-11-12 2012-02-29 青岛凯源祥化工有限公司 Insecticidal composition containing spinetoram and lythidathion
CN102342291A (en) * 2011-11-17 2012-02-08 山东海利尔化工有限公司 Pesticide composition containing spinetoram and pyrethroid compound
CN102396487A (en) * 2011-12-20 2012-04-04 广西田园生化股份有限公司 Pesticide composition containing spinetoram and thiamethoxam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105309612A (en) * 2014-08-04 2016-02-10 湖南省粮油科学研究设计院 Green insect-and-mildew inhibitor for grain storage and preparation method of insect-and-mildew inhibitor
CN107318895A (en) * 2017-07-25 2017-11-07 广西南宁市宾阳县聚丰米业有限公司 A kind of composition for preventing and treating storage pest
CN107318895B (en) * 2017-07-25 2020-05-01 广西南宁市宾阳县聚丰米业有限公司 Composition for preventing and controlling storage pests
CN107347991A (en) * 2017-07-31 2017-11-17 广西南宁市宾阳县聚丰米业有限公司 A kind of method of granary prevention storage pest
CN110313490A (en) * 2018-03-30 2019-10-11 湖南省粮油产品质量监测中心 A kind of rice insects repellant and preparation method thereof

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Application publication date: 20121017