CN115462391A - Agricultural insecticidal composition and preparation method and application thereof - Google Patents
Agricultural insecticidal composition and preparation method and application thereof Download PDFInfo
- Publication number
- CN115462391A CN115462391A CN202211026397.2A CN202211026397A CN115462391A CN 115462391 A CN115462391 A CN 115462391A CN 202211026397 A CN202211026397 A CN 202211026397A CN 115462391 A CN115462391 A CN 115462391A
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- Prior art keywords
- agricultural
- insecticidal
- composition
- bacillus thuringiensis
- extract
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- 239000000203 mixture Substances 0.000 title claims abstract description 81
- 230000000749 insecticidal effect Effects 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- 229940082880 azadirachta indica flower extract Drugs 0.000 claims abstract description 54
- 241000193388 Bacillus thuringiensis Species 0.000 claims abstract description 38
- 229940097012 bacillus thuringiensis Drugs 0.000 claims abstract description 38
- 241000607479 Yersinia pestis Species 0.000 claims abstract description 19
- 241001124076 Aphididae Species 0.000 claims abstract description 8
- 241000255967 Helicoverpa zea Species 0.000 claims abstract description 8
- 241000500441 Plutellidae Species 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 244000237986 Melia azadirachta Species 0.000 claims description 28
- 235000013500 Melia azadirachta Nutrition 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 27
- 239000002904 solvent Substances 0.000 claims description 25
- 239000006229 carbon black Substances 0.000 claims description 22
- 239000000230 xanthan gum Substances 0.000 claims description 18
- 229920001285 xanthan gum Polymers 0.000 claims description 18
- 235000010493 xanthan gum Nutrition 0.000 claims description 18
- 229940082509 xanthan gum Drugs 0.000 claims description 18
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 239000000575 pesticide Substances 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 8
- 230000000361 pesticidal effect Effects 0.000 claims description 8
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 7
- 239000002917 insecticide Substances 0.000 claims description 7
- -1 polyoxyethylene Polymers 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 6
- 239000000975 dye Substances 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 229920001732 Lignosulfonate Polymers 0.000 claims description 4
- 241001477931 Mythimna unipuncta Species 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 235000010489 acacia gum Nutrition 0.000 claims description 4
- 239000002671 adjuvant Substances 0.000 claims description 4
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- 244000215068 Acacia senegal Species 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 241000426497 Chilo suppressalis Species 0.000 claims description 3
- 241000008892 Cnaphalocrocis patnalis Species 0.000 claims description 3
- 229920000858 Cyclodextrin Polymers 0.000 claims description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 3
- 229920000084 Gum arabic Polymers 0.000 claims description 3
- 241001147381 Helicoverpa armigera Species 0.000 claims description 3
- 239000005909 Kieselgur Substances 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 241001249129 Scirpophaga incertulas Species 0.000 claims description 3
- 241000985245 Spodoptera litura Species 0.000 claims description 3
- 239000000205 acacia gum Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 229910052570 clay Inorganic materials 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 3
- 239000010459 dolomite Substances 0.000 claims description 3
- 229910000514 dolomite Inorganic materials 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- 238000000643 oven drying Methods 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 229920000151 polyglycol Polymers 0.000 claims description 3
- 239000010695 polyglycol Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 210000000582 semen Anatomy 0.000 claims description 3
- 239000000600 sorbitol Substances 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- 241001466042 Fulgoromorpha Species 0.000 claims description 2
- 241000346285 Ostrinia furnacalis Species 0.000 claims description 2
- 241001147398 Ostrinia nubilalis Species 0.000 claims description 2
- 150000008055 alkyl aryl sulfonates Chemical class 0.000 claims description 2
- 238000009472 formulation Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000004563 wettable powder Substances 0.000 claims description 2
- 244000061176 Nicotiana tabacum Species 0.000 claims 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims 1
- 241001012098 Omiodes indicata Species 0.000 claims 1
- 241001454295 Tetranychidae Species 0.000 claims 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 claims 1
- 229940097362 cyclodextrins Drugs 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 abstract description 9
- 239000004480 active ingredient Substances 0.000 abstract description 3
- 230000000813 microbial effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000005238 degreasing Methods 0.000 description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000000605 extraction Methods 0.000 description 10
- 238000000638 solvent extraction Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 201000010099 disease Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
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- 239000003814 drug Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000002202 Polyethylene glycol Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- FCBUKWWQSZQDDI-UHFFFAOYSA-N rhamnolipid Chemical compound CCCCCCCC(CC(O)=O)OC(=O)CC(CCCCCCC)OC1OC(C)C(O)C(O)C1OC1C(O)C(O)C(O)C(C)O1 FCBUKWWQSZQDDI-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- GJUABKCEXOMRPQ-UHFFFAOYSA-N 1-[(2,5-dimethoxyphenyl)diazenyl]naphthalen-2-ol Chemical compound COC1=CC=C(OC)C(N=NC=2C3=CC=CC=C3C=CC=2O)=C1 GJUABKCEXOMRPQ-UHFFFAOYSA-N 0.000 description 2
- 241001347511 Carposina sasakii Species 0.000 description 2
- 206010059866 Drug resistance Diseases 0.000 description 2
- 241000981121 Leguminivora glycinivorella Species 0.000 description 2
- 241000721621 Myzus persicae Species 0.000 description 2
- 241000488583 Panonychus ulmi Species 0.000 description 2
- 241000500437 Plutella xylostella Species 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229920005552 sodium lignosulfonate Polymers 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- 241001498622 Cixius wagneri Species 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000001785 acacia senegal l. willd gum Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000013641 positive control Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
Classifications
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
- A01N63/22—Bacillus
- A01N63/23—B. thuringiensis
-
- 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
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/08—Magnoliopsida [dicotyledons]
- A01N65/26—Meliaceae [Chinaberry or Mahogany family], e.g. mahogany, langsat or neem
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/02—Acaricides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P7/00—Arthropodicides
- A01P7/04—Insecticides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Chemical & Material Sciences (AREA)
- Mycology (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Insects & Arthropods (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Virology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides an agricultural insecticidal composition and a preparation method and application thereof. The agricultural insecticidal composition mainly comprises bacillus thuringiensis and neem extract, is derived from microbial resources and plant source active ingredients, is harmless to human bodies, is environment-friendly, and can be widely applied to the comprehensive control of agricultural and forestry pests; the insecticidal agricultural composition has excellent insecticidal activity on pests such as aphids, cotton bollworms, diamondback moths and the like; the agricultural insecticidal composition provided by the invention is simple and feasible in preparation process, and the raw materials are cheap and easy to obtain, so that the agricultural insecticidal composition has a wide application prospect.
Description
Technical Field
The invention relates to the technical field of agricultural medicines, in particular to an insecticidal agricultural composition and a preparation method and application thereof.
Background
The regional catastrophe of major crop diseases and insect pests in China is frequent, and the grain production loss caused by diseases, insect pests and weeds in each year reaches more than 30 percent. Although chemical control plays an important role in controlling diseases, pests and weeds of crops, the problems caused by excessive and frequent use of the chemical control, such as pesticide residues in agricultural products and the environment, the drug resistance and rampant resistance of the diseases, the pests and the weeds of the crops, and the like, force people to continuously find new safe and environment-friendly alternative control means. The method for preventing and controlling crop diseases, pests and weeds by using measures which are friendly to environment, harmonious in ecology and beneficial to food safety is a green sustainable treatment means and has wide development prospect. Biological resources with natural inhibition or antagonism to crop diseases, insect pests and weeds widely exist in the nature, and play an important role in promoting ecological balance. The development of biological agricultural drugs from biological resources for comprehensive prevention and control of crop diseases and insect pests is an effective way for realizing green sustainable development of agriculture, and the large-scale application of the biological agricultural drugs can reduce the use of chemical pesticides, help to guarantee food safety, improve ecological environment, enhance the protection effect on soil and reduce the generation of drug resistance of crop diseases, insect pests and weeds.
At present, some biogenic pesticides appear in the market, but the components are single, the duration is short, the comprehensive control effect is not ideal, and the popularization in production practice is difficult.
Disclosure of Invention
In view of this, the invention provides an agricultural insecticidal composition, a preparation method and an application thereof, so as to solve the defects in the prior art.
In a first aspect, the present invention provides an insecticidal agricultural composition comprising bacillus thuringiensis, neem extract and adjuvants.
Preferably, the pesticidal agricultural composition, the adjuvant comprises at least one of xylene, chlorobenzene, toluene, 1, 2-dichloroethane, methanol, ethanol, propanol, isopropanol, glycerol, N' -dimethylformamide, dimethyl sulfoxide, ethyl acetate, acetone, butanone, cyclohexanone, paraffin, kaolin, bentonite, white carbon black, clay, diatomaceous earth, montmorillonite, activated clay, dolomite, quartz, calcium carbonate, talc, attapulgite, alkylsulfate, alkylsulfonate, sorbitan polyoxyethylene ester, polyoxyethylene-fatty alcohol ether, polyethylene glycol having a molecular weight of 500 to 10000, cyclodextrin, rhamnolipid, polyoxyethylene-fatty acid ester, aralkyl polyglycol ether, fluoroalkyl sulfonate, alkyl sulfate, lignosulfonate, polyvinyl alcohol, carboxymethylcellulose, sodium carboxymethylcellulose, xanthan gum, gum arabic, inorganic dyes, organic dyes, and trace nutrients.
Preferably, the preparation method of the neem extract of the agricultural insecticidal composition comprises the following steps: oven drying Azadirachta indica A.leaf or stem, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica A.extract; or defatting semen Azadirachta indica, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica extract.
Preferably, the agricultural insecticidal composition comprises the following components in percentage by mass, the sum of the mass fractions of the bacillus thuringiensis and the neem extract is 0.1-99.9%.
Preferably, the agricultural insecticidal composition has the mass ratio of the bacillus thuringiensis to the neem extract of 0.1-100: 1.
In a second aspect, the invention also provides a preparation method of the insecticidal agricultural composition, which comprises the following steps: the agricultural insecticidal composition is prepared by mixing bacillus thuringiensis, neem extract and auxiliary agent.
In a third aspect, the invention also provides an application of the agricultural insecticidal composition or the agricultural insecticidal composition prepared by the preparation method in preparation of an insecticide.
Preferably, the insecticidal agricultural composition is applied to preparation of insecticides for killing cotton bollworms, diamond back moths, aphids, plant hoppers, armyworms, prodenia litura, tobacco budworms, tobacco aphid armyworms, rice leaf rollers, chilo suppressalis, tryporyza incertulas, ostrinia nubilalis, soybean pod borers, peach fruit borers and citrus red spiders.
Preferably, in the application, the dosage form of the pesticide comprises any one of wettable powder, aqueous emulsion, suspending agent and dispersible granules.
Compared with the prior art, the insecticidal agricultural composition provided by the invention has the following beneficial effects:
(1) The insecticidal agricultural composition mainly comprises bacillus thuringiensis and neem extracts, is derived from microbial resources and plant source active ingredients, is harmless to human bodies, is environment-friendly, and can be widely applied to comprehensive control of agricultural and forestry pests; the insecticidal agricultural composition has excellent insecticidal activity on aphids, cotton bollworms, diamondback moths and other pests; the agricultural insecticidal composition has the advantages of simple and easy preparation process, low cost and easy obtainment of raw materials, and has wide application prospect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention.
The embodiment of the application provides an agricultural insecticidal composition, which comprises bacillus thuringiensis, a neem extract and an auxiliary agent.
In some embodiments, the adjuvant comprises at least one of xylene, chlorobenzene, toluene, 1, 2-dichloroethane, methanol, ethanol, propanol, isopropanol, glycerol, N' -dimethylformamide, dimethyl sulfoxide, ethyl acetate, acetone, butanone, cyclohexanone, paraffin, kaolin, bentonite, white carbon black, clay, diatomaceous earth, montmorillonite, activated clay, dolomite, quartz, calcium carbonate, talc, attapulgite, alkylsulfate, alkylsulfonate, alkylarylsulfonate, polyoxyethylene sorbitol, polyoxyethylene-fatty acid ester, polyethylene glycol ether having a molecular weight of 500 to 10000, cyclodextrin, rhamnolipid, polyoxyethylene-fatty acid ester, aralkyl polyethylene glycol ether, fluoroalkyl sulfonate, alkyl sulfate, lignosulfonate, polyvinyl alcohol, carboxymethyl cellulose, sodium carboxymethyl cellulose, xanthan gum, gum arabic, inorganic dyes, organic dyes, and trace nutrients.
Preferably, the auxiliary agent comprises one or more of glycerol, clay, diatomite, white carbon black, activated clay, alkyl sulfate, alkyl sulfonate, sorbitol polyoxyethylene ester, polyoxyethylene-fatty alcohol ether, polyethylene glycol, rhamnolipid, polyoxyethylene-fatty acid ester, aralkyl polyglycol ether, lignosulfonate, carboxymethyl cellulose, sodium carboxymethyl cellulose, xanthan gum and Arabic gum.
In some embodiments, the neem extract is prepared by: oven drying Azadirachta indica A.leaf or stem, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica A.extract; or defatting semen Azadirachta indica, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica extract.
In the above process, the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from one of ethanol, methanol, ethyl acetate and 75-90% ethanol by mass concentration, and the extraction temperature is 20-75 ℃; concentrating under reduced pressure by conventional water pump at 20-45 deg.C under reduced pressure and low temperature.
The neem extract is extracted from stem, leaf and fruit of neem, and has a content of 0.5-10%;
in some embodiments, the sum of the mass fractions of bacillus thuringiensis and neem extract in the pesticidal agricultural composition is 0.1-99.9%.
In some embodiments, the ratio of the mass of the bacillus thuringiensis to the mass of the neem extract in the pesticidal agricultural composition is (0.1-100): 1, and preferably the ratio of the mass of the bacillus thuringiensis to the mass of the neem extract is (0.5-80): 1.
Based on the same inventive concept, the embodiment of the application also provides a preparation method of the insecticidal agricultural composition, which comprises the following steps: the agricultural insecticidal composition is prepared by mixing bacillus thuringiensis, neem extract and auxiliary agent.
Based on the same inventive concept, the embodiment of the application also provides an application of the agricultural insecticidal composition or the agricultural insecticidal composition prepared by the preparation method in preparation of an insecticide.
In some embodiments, the pesticidal agricultural composition is used for preparing pesticide for killing cotton bollworm, diamond back moth, aphid, plant hopper, armyworm, prodenia litura, tobacco budworm, tobacco aphid moth, rice leaf roller, chilo suppressalis, tryporyza incertulas, asiatic corn borer, soybean pod borer, peach fruit borer and citrus red spider.
In some embodiments, the formulation of the pesticide includes any of wettable powders, aqueous emulsions, suspensions, dispersible granules.
The insecticidal agricultural composition mainly comprises bacillus thuringiensis and neem extract, is derived from microbial resources and plant source active ingredients, is harmless to human bodies, is environment-friendly, and can be widely applied to comprehensive control of agricultural and forestry pests; the insecticidal agricultural composition has excellent insecticidal activity on aphids, cotton bollworms, diamondback moths and other pests; the agricultural insecticidal composition has the advantages of simple and feasible preparation process, low-price and easily-obtained raw materials, and wide application prospect.
The following further specific examples illustrate the pesticidal agricultural compositions of the present application and methods of preparing the same. This section further illustrates the present disclosure in connection with specific examples, which should not be construed as limiting the invention. The technical means employed in the examples are conventional means well known to those skilled in the art, unless otherwise specified. Reagents, methods and apparatus employed in the present invention are conventional in the art unless otherwise indicated. The Bacillus thuringiensis used in the examples below was provided by the center for the research of biological pesticide engineering, hubei province.
Example 1
The embodiment of the application provides an agricultural insecticidal composition, which comprises 5g of bacillus thuringiensis, 10g of neem extract and 5g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from ethanol, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 5g of bacillus thuringiensis, 10g of neem extract and 5g of white carbon black, and uniformly stirring to obtain the insecticidal agricultural composition.
Example 2
The embodiment of the application provides an agricultural insecticidal composition, which comprises 10g of bacillus thuringiensis, 10g of neem extract and 3g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, sequentially crushing, extracting with a solvent, and concentrating under reduced pressure to obtain neem extracts; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from methanol, and the extraction temperature is 50 ℃; concentrating under reduced pressure to conventional water pump concentrating under reduced pressure at low temperature, and controlling the temperature at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 10g of Bacillus thuringiensis, 10g of neem extract and 3g of white carbon black, and uniformly stirring to obtain the agricultural insecticidal composition.
Example 3
The embodiment of the application provides an agricultural insecticidal composition, which comprises 10g of bacillus thuringiensis, 10g of neem extract, 0.5g of lauryl sodium sulfate, 0.5g of sodium carboxymethylcellulose, 0.5g of sodium lignosulfonate, 1g of xanthan gum and 3g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, sequentially crushing, extracting with a solvent, and concentrating under reduced pressure to obtain neem extracts; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from 75% ethanol by mass concentration, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 10g of bacillus thuringiensis, 10g of neem extract, 0.5g of sodium dodecyl sulfate, 0.5g of sodium carboxymethyl cellulose, 0.5g of sodium lignosulfonate, 1g of xanthan gum and 3g of white carbon black, and uniformly stirring to obtain the insecticidal agricultural composition.
Example 4
The embodiment of the application provides an agricultural insecticidal composition, which comprises 10g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 3g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from 75% ethanol by mass concentration, and the extraction temperature is 60 ℃; concentrating under reduced pressure to conventional water pump concentrating under reduced pressure at low temperature, and controlling the temperature at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing Bacillus thuringiensis 10g, neem extract 10g, xanthan gum 1g and white carbon black 3g, and stirring to obtain agricultural pesticide composition.
Example 5
The embodiment of the application provides an agricultural insecticidal composition, which comprises 5g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 5g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from ethanol, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 5g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 5g of white carbon black, and uniformly stirring to obtain the agricultural insecticidal composition.
Example 6
The embodiment of the application provides an agricultural insecticidal composition, which comprises 2.5g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 7g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from 90% ethanol by mass concentration, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 2.5g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 7g of white carbon black, and uniformly stirring to obtain the insecticidal agricultural composition.
Example 7
The embodiment of the application provides an agricultural insecticidal composition, which comprises 1.0g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 9g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from 90% ethanol by mass concentration, and the extraction temperature is 50 ℃; concentrating under reduced pressure to conventional water pump concentrating under reduced pressure at low temperature, and controlling the temperature at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 1.0g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 9g of white carbon black, and uniformly stirring to obtain the agricultural insecticidal composition.
Example 8
The embodiment of the application provides an agricultural insecticidal composition, which comprises 15g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 3g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, sequentially crushing, extracting with a solvent, and concentrating under reduced pressure to obtain neem extracts; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from ethanol, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 15g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 3g of white carbon black, and uniformly stirring to obtain the insecticidal agricultural composition.
Example 9
The embodiment of the application provides an agricultural insecticidal composition, which comprises 20g of bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 0.5g of white carbon black; the preparation method of the neem extract comprises the following steps: degreasing neem kernels, then sequentially crushing, extracting by using a solvent, and concentrating under reduced pressure to obtain a neem extract; wherein the degreasing treatment is squeezing degreasing; the solvent for solvent extraction is selected from ethanol, and the extraction temperature is 50 ℃; concentrating under reduced pressure by conventional water pump at 30 deg.C.
The preparation method of the agricultural insecticidal composition comprises the following steps: mixing 20g of Bacillus thuringiensis, 10g of neem extract, 1g of xanthan gum and 0.5g of white carbon black, and uniformly stirring to obtain the agricultural insecticidal composition.
Performance testing
The insecticidal agricultural compositions of examples 1-9 were selected for insecticidal activity testing, and the insecticidal activity tests were also performed using bacillus thuringiensis, neem extract (the neem extract prepared in example 1) and a blank control group as controls, with the test targets being aphids, diamondback moths and cotton bollworms, respectively. The screening method aiming at the plutella xylostella and the cotton bollworm is a conventional artificial feed surface coating method, specifically, a 24-hole cell culture plate is adopted for activity evaluation, 300 microliters of artificial feed is added into each hole, and the amount of the liquid medicine added into each hole is 20 microliters; the aphid screening method is a conventional immersion method. The concentration of the screened liquid medicine is 400 mug/mL, 200 mug/mL and 100 mug/mL (specifically, 1000 mug/mL of mother liquor is prepared by using acetone to prepare the agricultural insecticidal composition, the Bacillus thuringiensis and the neem extracts in the examples 1-9, and then 400 mug/mL, 200 mug/mL and 100 mug/mL of serial mass concentrations are respectively prepared by using water containing 0.1% of Tween), the three times of repetition are carried out, the test results are respectively compared with blank control and positive control, and statistics is carried out according to different grades, wherein the mortality rate of 0-30% is 0, the mortality rate of 30-50% is 3, the mortality rate of 50-70% is 5, the mortality rate of 70-90% is 7, and the mortality rate of 90-100% is 9. The test results are shown in table 1 below.
TABLE 1 pesticidal Activity of the pesticidal agricultural compositions of the different examples
The data in Table 1 show that the control effect of part of the insecticidal agricultural composition on the tested pests under the test concentrations (400 mu g/mL, 200 mu g/mL and 100 mu g/mL) is remarkable, and the death rate can reach more than 70%; particularly, part of the compositions (examples 1, 4, 5, 8 and 9) can simultaneously have good control effects on lepidoptera pests and piercing-sucking mouthparts pests under the tested concentration, and the insecticidal effect is obviously superior to that of a single-component control group of bacillus thuringiensis and neem extracts. The results show that the insecticidal composition can be used as a broad-spectrum insecticide in the comprehensive control process of pests, provides a new means for solving the resistance of the existing insecticide, and can become one of the key technologies of the reduction and the synergism of the current pesticides.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An agricultural composition for killing pests is characterized by comprising bacillus thuringiensis, a neem extract and an auxiliary agent.
2. An insecticidal agricultural composition as claimed in claim 1 wherein the adjuvant comprises at least one of xylene, chlorobenzene, toluene, 1, 2-dichloroethane, methanol, ethanol, propanol, isopropanol, glycerol, N' -dimethylformamide, dimethyl sulfoxide, ethyl acetate, acetone, butanone, cyclohexanone, paraffin, kaolin, bentonite, white carbon black, clay, diatomaceous earth, montmorillonite, activated clay, dolomite, quartz, calcium carbonate, talc, attapulgite, alkyl sulfates, alkyl sulfonates, alkylaryl sulfonates, polyoxyethylene sorbitol, polyoxyethylene-fatty alcohol ethers, polyethylene glycols having a molecular weight of 500 to 10000, cyclodextrins, rhamnolipids, polyoxyethylene-fatty acid esters, aralkyl polyglycol ethers, fluoroalkyl sulfonates, alkyl sulfates, lignosulfonates, polyvinyl alcohols, carboxymethylcellulose, sodium carboxymethylcellulose, xanthan gum, gum arabic, inorganic dyes, organic dyes and trace nutrients.
3. An insecticidal agricultural composition as claimed in claim 1, wherein the neem extract is prepared by a process comprising: oven drying Azadirachta indica A.leaf or stem, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica A.extract; or defatting semen Azadirachta indica, pulverizing, extracting with solvent, and concentrating under reduced pressure to obtain Azadirachta indica extract.
4. An insecticidal agricultural composition as defined in claim 1 wherein the sum of the mass fractions of bacillus thuringiensis and neem extract in the insecticidal agricultural composition is 0.1-99.9%.
5. An insecticidal composition as defined in claim 1 wherein the mass ratio of Bacillus thuringiensis to Neem extract in said insecticidal composition is (0.1-100): 1.
6. A process for the preparation of an insecticidal agricultural composition as claimed in any one of claims 1 to 5, comprising the steps of: the agricultural insecticidal composition is prepared by mixing bacillus thuringiensis, neem extract and auxiliary agents.
7. Use of an insecticidal agricultural composition as defined in any one of claims 1 to 5 or prepared by the process of claim 6 in the preparation of an insecticide.
8. The use according to claim 7, wherein the pesticidal agricultural composition is used in the manufacture of a pesticide for killing cotton bollworms, diamond back moths, aphids, plant hoppers, armyworms, prodenia litura, tobacco budworms, tobacco leafworms, rice leaf rollers, striped rice borers, yellow rice borers, ostrinia nubilalis, ostrinia furnacalis, pod borers, carposins niponensis walsingham, pink spider mites.
9. The use as claimed in claim 7, wherein the formulation of the insecticide comprises any one of wettable powder, aqueous emulsion, suspension, dispersible granules.
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