CN104304285B - Compound insecticidal water emulsion agent for preventing and treating contariniapyrivora - Google Patents
Compound insecticidal water emulsion agent for preventing and treating contariniapyrivora Download PDFInfo
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- CN104304285B CN104304285B CN201410584209.7A CN201410584209A CN104304285B CN 104304285 B CN104304285 B CN 104304285B CN 201410584209 A CN201410584209 A CN 201410584209A CN 104304285 B CN104304285 B CN 104304285B
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- 239000000839 emulsion Substances 0.000 title claims abstract description 27
- 230000000749 insecticidal effect Effects 0.000 title claims abstract description 23
- 150000001875 compounds Chemical class 0.000 title claims abstract description 17
- 239000003795 chemical substances by application Substances 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 7
- 241000220324 Pyrus Species 0.000 claims description 21
- 235000021017 pears Nutrition 0.000 claims description 21
- 229920001661 Chitosan Polymers 0.000 claims description 18
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 18
- NHOIBRJOQAYBJT-IMGVWCFESA-N nimbin Chemical compound C=1([C@@H]2C[C@H]3O[C@H]4[C@](C3=C2C)(C)[C@@H]([C@]2(C(=O)C=C[C@](C)([C@@H]2[C@H]4OC(C)=O)C(=O)OC)C)CC(=O)OC)C=COC=1 NHOIBRJOQAYBJT-IMGVWCFESA-N 0.000 claims description 16
- ZQIYJHBQRBBBRZ-UHFFFAOYSA-N nimbin Natural products COC(=O)CC1C2C(C(OC(=O)C)C3OC4CC(C(=C4C13C)C)c5cocc5)C(C)(C=CC2=O)C(=O)OC ZQIYJHBQRBBBRZ-UHFFFAOYSA-N 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- 239000005711 Benzoic acid Substances 0.000 claims description 9
- 235000010233 benzoic acid Nutrition 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 235000010234 sodium benzoate Nutrition 0.000 claims description 6
- 239000004299 sodium benzoate Substances 0.000 claims description 6
- LRWZZZWJMFNZIK-UHFFFAOYSA-N 2-chloro-3-methyloxirane Chemical compound CC1OC1Cl LRWZZZWJMFNZIK-UHFFFAOYSA-N 0.000 claims description 5
- RRTCFFFUTAGOSG-UHFFFAOYSA-N benzene;phenol Chemical compound C1=CC=CC=C1.OC1=CC=CC=C1 RRTCFFFUTAGOSG-UHFFFAOYSA-N 0.000 claims description 5
- 229920001285 xanthan gum Polymers 0.000 claims description 5
- 239000000230 xanthan gum Substances 0.000 claims description 5
- 229940082509 xanthan gum Drugs 0.000 claims description 5
- 235000010493 xanthan gum Nutrition 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 14
- 230000002265 prevention Effects 0.000 abstract description 7
- 239000005878 Azadirachtin Substances 0.000 abstract description 3
- VEHPJKVTJQSSKL-UHFFFAOYSA-N azadirachtin Natural products O1C2(C)C(C3(C=COC3O3)O)CC3C21C1(C)C(O)C(OCC2(OC(C)=O)C(CC3OC(=O)C(C)=CC)OC(C)=O)C2C32COC(C(=O)OC)(O)C12 VEHPJKVTJQSSKL-UHFFFAOYSA-N 0.000 abstract description 3
- FTNJWQUOZFUQQJ-IRYYUVNJSA-N azadirachtin A Natural products C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C/C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-IRYYUVNJSA-N 0.000 abstract description 3
- FTNJWQUOZFUQQJ-NDAWSKJSSA-N azadirachtin A Chemical compound C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C\C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-NDAWSKJSSA-N 0.000 abstract description 3
- RQFQJYYMBWVMQG-IXDPLRRUSA-N chitotriose Chemical compound O[C@@H]1[C@@H](N)[C@H](O)O[C@H](CO)[C@H]1O[C@H]1[C@H](N)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)N)[C@@H](CO)O1 RQFQJYYMBWVMQG-IXDPLRRUSA-N 0.000 abstract description 3
- 230000008635 plant growth Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 9
- 230000003449 preventive effect Effects 0.000 description 8
- 241000238631 Hexapoda Species 0.000 description 7
- 239000003814 drug Substances 0.000 description 7
- 239000000575 pesticide Substances 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 5
- 240000001987 Pyrus communis Species 0.000 description 5
- 235000014443 Pyrus communis Nutrition 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 239000005906 Imidacloprid Substances 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 108050008598 Phosphoesterases Proteins 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- YWTYJOPNNQFBPC-UHFFFAOYSA-N imidacloprid Chemical compound [O-][N+](=O)\N=C1/NCCN1CC1=CC=C(Cl)N=C1 YWTYJOPNNQFBPC-UHFFFAOYSA-N 0.000 description 3
- 229940056881 imidacloprid Drugs 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 244000070406 Malus silvestris Species 0.000 description 2
- 244000237986 Melia azadirachta Species 0.000 description 2
- 235000013500 Melia azadirachta Nutrition 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 244000045947 parasite Species 0.000 description 2
- 239000004563 wettable powder Substances 0.000 description 2
- 241000256836 Apis Species 0.000 description 1
- 241000271566 Aves Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 206010059866 Drug resistance Diseases 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
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- 235000011572 Pyrus ussuriensis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 229910052799 carbon Inorganic materials 0.000 description 1
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- 238000004090 dissolution Methods 0.000 description 1
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- 239000003995 emulsifying agent Substances 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
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- 238000003044 randomized block design Methods 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a compound insecticidal water emulsion agent for preventing and treating contariniapyrivora. Effective components in the compound insecticidal water emulsion agent are chitosan oligosaccharide and azadirachtin. The compound insecticidal water emulsion agent has a good prevention effect on contariniapyrivora; with the synergism effect of chitosan oligosaccharide with a plant growth promotion function and azadirachtin with insecticidal activity, the prevention on contariniapyrivora is effectively increased, the obvious prevention effect can be realized in the early stage or the later stage of morbidity, and the optimal dosage period is long.
Description
Technical field
The present invention relates to a kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia, and in particular to a kind of oligochitosan for preventing and treating pears cecidomyiia and azadirachtin complex aqueous emulsion, belongs to field of biological pesticide.
Background technology
Pear tree is all occupied first place in the world in the cultivated area of China and yield, according to FAO (Food and Agriculture Organization of the United Nation)（FAO）Statistics, Chinese pear tree receives area for 125.8 ten thousand per hectares within 2009, accounts for the 72.3% of world's pears gross area；Gross annual output amount is 1438.8 ten thousand tons, accounts for the 65.7% of Gross World Product.It is pear tree minor pests before pears cecidomyiia, cause harm relatively light, but in recent years all occur seriously in China's main pears producing region, it has also become the primary pest of pears, easily cause pear tree early leaf fall to significantly affect yield and quality.At present preventing and treating pears cecidomyiia is mainly killed based on the chemical insecticides such as chrysanthemum ester, imidacloprid to spray, but chemical prevention is also easy to produce Drug resistance, and cannot apply in Organic pear orchard.
Oligochitosan is Chitosan oligosaccharide, also referred to as chitin oligosaccharide, scientific name β-Isosorbide-5-Nitrae-oligosaccharide-glucamine, is through a kind of special product obtained from biological enzyme technology process by shitosan, is a kind of good water solubility, function is big, the high low molecular weight product of biological activity.Oligochitosan passes through absorption in bacterial cell surface, forms a floor height molecular film, thus playing bacteriostasis and sterilization effect；Another kind of mechanism is oligochitosan by penetrating in bacterial cell body, so that the Cytoplasm with anion in cell body is flocculated, the upset normal physiological activity of cell, thus kill antibacterial.In general, molecular weight is bigger, and the outer membrane being formed is finer and close, nutrient substance more can be stoped to enter bacterial cell, thus antibacterial action effect is obvious；Molecular weight is less, is more easily accessible in the gap structure of cell wall, thus the metabolism of interference cell, bactericidal action is obvious.Oligochitosan itself contains abundant carbon and nitrogen, can be decomposed by the microorganisms using and the nutrient as plant growing, oligochitosan can promote beneficial microorganism to grow and suppress some phytopathogens.Oligochitosan also can stimulate plant growing and the disease resistance of induction plant, has a certain degree of direct repression to various plants pathogen.
Nimbin is the botanical pesticide extracting from Azadirachta Indica A. tree, and its sterling is white amorphous substance, is soluble in methanol, ethanol, acetone, dimethyl sulfoxide polar organic solvent.Nimbin is outstanding biological pesticide recognized in the world, one of Typical Representative for botanical pesticide, to insecticide children's refusing to eat, interference spawning, interference insect variation, make it cannot change in quality for adult, repellent larva and the effect suppressing its growth and reach parasite killing purpose, be widely used in preventing and treating vegetable, the various pests on the crops such as fruit tree, be a kind of efficiently, low-residual and high selectivity and be not likely to produce drug-fast harmless boilogical pesticide.To people, animal, birds and Apiss safety, predatism and parasite are disturbed less, no substantially poisoning, degradable in the environment.China's South Guangdong, Hainan, Yunnan and Sichuan some areas establishing in large scale Azadirachta Indica A. tree.
Content of the invention
In prior art, the usage amount of pesticide is increasing, not only makes crop produce resistance, also brings serious pollution to environment, for the problems referred to above, the invention provides a kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia.
Technical scheme is as follows：
A kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia, effective ingredient is oligochitosan and nimbin.In the present invention, effective ingredient is counted by weight：Oligochitosan 0.1-5 part, nimbin 0.1-5 part；Preferably, oligochitosan 1-3.5 part, nimbin 1.5-3.5 part；It is furthermore preferred that oligochitosan 2-3 part, nimbin 2-3 part；Most preferably, 2.5 parts of oligochitosan, 3 parts of nimbin.
Further, compounding aqueous emulsion of the present invention, emulsifying agent is triphenoethyl benzene phenol polyethenoxy ether phosphate, solvent is toluene, and stabilizer is epoxychloropropane, and antifreezing agent is ethylene glycol, thickening agent is xanthan gum, the compositionss that preservative is mixed with arbitrary proportion with sodium benzoate for benzoic acid.Preferably, benzoic acid and the mass ratio of sodium benzoate are 2:1.
The extension rate during dispenser of compounding aqueous emulsion of the present invention is 500-5000 times；Preferably, extension rate during dispenser is 2000 times.
The present invention has extraordinary prevention effect to pears cecidomyiia, the present invention is using the effect promoting to have collaborative addition between Effects on Plant Growth and the insecticidal activity of nimbin of oligochitosan, effectively enhance the preventing and treating to pears cecidomyiia, morbidity early stage or morbidity later stage all can reach significantly prevention effect, and medication optimum period is long.
Specific embodiment
To further describe the present invention with reference to specific embodiment, advantages of the present invention and feature will be with description and apparent.But embodiment is only exemplary, any restriction is not constituted to the scope of the present invention.It will be understood by those skilled in the art that to modify to the details of technical solution of the present invention and form or can replace lower without departing from the spirit and scope of the present invention, but these modifications and replacement each fall within protection scope of the present invention.
A kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia of embodiment 1
Each raw materials by weight portion meter：
2.5 parts of oligochitosan, 3 parts of nimbin, triphenoethyl benzene phenol polyethenoxy ether phosphoesterase 30 .5 part, 0.3 part of epoxychloropropane, 1 part of ethylene glycol, the compositionss of 1.5 parts of xanthan gum, benzoic acid and sodium benzoate（Benzoic acid is 2 with the mass ratio of sodium benzoate:1）1 part, 90 parts of toluene.
By above-mentioned raw materials, routinely preparation technology is prepared into agricultural insecticidal aqueous emulsion, during dispenser, the present invention is diluted to 2000 times.
A kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia of embodiment 2
Each raw materials by weight portion meter：
0.5 part of oligochitosan, 4 parts of nimbin, triphenoethyl benzene phenol polyethenoxy ether phosphoesterase 30 .6 part, 0.5 part of epoxychloropropane, 1 part of ethylene glycol, the compositionss of 1.3 parts of xanthan gum, benzoic acid and sodium benzoate（Benzoic acid is 1 with the mass ratio of sodium benzoate:1）1 part, 90 parts of toluene.
By above-mentioned raw materials, routinely preparation technology is prepared into agricultural insecticidal aqueous emulsion, during dispenser, the present invention is diluted to 2000 times.
A kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia of embodiment 3
Each raw materials by weight portion meter：
4.5 parts of oligochitosan, 1 part of nimbin, triphenoethyl benzene phenol polyethenoxy ether phosphoesterase 30 .4 part, 0.5 part of epoxychloropropane, 1.5 parts of ethylene glycol, 1 part of xanthan gum, 1.5 parts of benzoic acid, 90 parts of toluene.
By above-mentioned raw materials, routinely preparation technology is prepared into agricultural insecticidal aqueous emulsion, during dispenser, the present invention is diluted to 2000 times.
The field efficacy evaluation test to pears cecidomyiia for test example 1 present invention
Field efficacy evaluation test is carried out in Laiyang Shandong Province theatre, and reagent agent is nimbin, embodiment 1, embodiment 2,3 dose out powders of embodiment, all by 15,45,90mg/L drug concentration sprayed；With 0.5% nimbin emulsion（Commercially available, spraying medicine concentration be 15,45,90mg/L）With 10% imidacloprid wettable powder（Commercially available, spraying medicine concentration is 67mg/L）For comparison medicament, and set clear water comparison（CK）.
Randomized block design, every cell processes 3 plants of pear trees, often processes and is repeated 3 times.Spraying time is that in May, 2013 larva endangers the initial stage.Before spray, often tree presses the random listing mark extending shoot in 5 orientation of East, West, South, North 1, investigates insect population；First be watered spraying again with after a small amount of water dissolution reagent agent, reverse side uniformly medicine, till dripping.After spray, investigation in 1,7,14 days borer population alive, calculates Revision insect recluced rate and preventive effect, and computing formula is as follows：
Revision insect recluced rate（%）=（Borer population after borer population-spray before spray）Borer population × 100 before/spray；
Preventive effect（%）=（Process Revision insect recluced rate-comparison Revision insect recluced rate）/（100- compares Revision insect recluced rate）×100.
The present invention is as shown in table 1 to the field control effect of pears cecidomyiia：
As shown in Table 1, the preventive effect that 3 compound insecticidal aqueous emulsions of the present invention spray latter 1 day is 70.89%-82.31%, preferably embodiment 2 compound insecticidal aqueous emulsion, and the proportioning that reason is probably nimbin and oligochitosan in the present embodiment is optimum proportioning；The latter 7 days preventive effects that spray are 87.21%-91.23%, and highest preventive effect is also the joined disinsection aqueous emulsion of embodiment 2；Spray latter 14 days, preventive effect is that the prevention effect to pears cecidomyiia of 90.89%-94.32%. compounded pesticides of the present invention is above nimbin emulsion and 10% imidacloprid wettable powder of comparison medicament 0.5%.The 7th day after administration, the preventive effect of compound insecticidal aqueous emulsion of the present invention was above 87%, and the 14th day, and preventive effect is above 90%, and therefore, the present invention is to pears cecidomyiia instant effect, and the lasting period is long.
The field control effect to pears cecidomyiia for table 1 compound insecticidal aqueous emulsion of the present invention
Claims (1)
1. a kind of compound insecticidal aqueous emulsion for preventing and treating pears cecidomyiia is it is characterised in that described
Each raw materials by weight portion meter in compound insecticidal aqueous emulsion：
0.5 part of oligochitosan, 4 parts of nimbin, triphenoethyl benzene phenol polyethenoxy ether phosphate
0.6 part, 0.5 part of epoxychloropropane, 1 part of ethylene glycol, 1.3 parts of xanthan gum, benzoic acid with
1 part of the compositionss of sodium benzoate, 90 parts of toluene, wherein, the matter of benzoic acid and sodium benzoate
Amount ratio is 1:1；By above-mentioned raw materials, routinely preparation technology is prepared into agricultural insecticidal aqueous emulsion.
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| CN201410584209.7A CN104304285B (en) | 2014-10-28 | 2014-10-28 | Compound insecticidal water emulsion agent for preventing and treating contariniapyrivora |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410584209.7A CN104304285B (en) | 2014-10-28 | 2014-10-28 | Compound insecticidal water emulsion agent for preventing and treating contariniapyrivora |
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| CN104304285B true CN104304285B (en) | 2017-02-08 |
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| EP2424373B1 (en) * | 2009-04-28 | 2016-11-02 | Bayer Intellectual Property GmbH | Compositions comprising a strigolactone compound and a chito-oligosaccharide compound for enhanced plant growth and yield |
| CN103004855A (en) * | 2012-11-26 | 2013-04-03 | 海南正业中农高科股份有限公司 | Composition containing oligosaccharide and anabasine insecticide components |
| CN103141488B (en) * | 2013-01-25 | 2014-07-02 | 浙江农林大学 | Insecticide compounded with azadirachtin and osthole and preparation method thereof |
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