CN104222161B - Insecticides and its preparation method and application - Google Patents
Insecticides and its preparation method and application Download PDFInfo
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- CN104222161B CN104222161B CN201410438976.7A CN201410438976A CN104222161B CN 104222161 B CN104222161 B CN 104222161B CN 201410438976 A CN201410438976 A CN 201410438976A CN 104222161 B CN104222161 B CN 104222161B
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Abstract
Open a kind of insecticides of the present invention and its preparation method and application.Described insecticides, active component includes fumosorosea and rotenone, described fumosorosea and rotenone mass percent in described insecticides are 2～80%, and the mass ratio of described fumosorosea and rotenone is (0.1～70): 1.The active component of this insecticides uses fumosorosea and rotenone to compound, effectively increase fumosorosea stability and effect duration, improve its Conidia persistence, effect duration is long, and insecticidal efficacy is high, and prevention effect reaches more than 80%, simultaneously, to environment, the feature of person poultry safety, do not result in environmental pollution, be conducive to ecological balance.
Description
Technical field
The present invention relates to pesticide field, particularly relate to a kind of insecticides and its preparation method and application.
Background technology
China is in terms of agricultural insect pests control at present, utilizes pest control with insecticide agent to preventing and controlling pest to remain raising farming
One of Main Means of produce amount.The a large amount of of chemical insecticide use severe contamination environment, destroy ecology flat
Weighing apparatus, threatens human health.Therefore, environment amenable microbial insecticide and botanical pesticide obtain more
Carry out the most concerns.
Fumosorosea (Isaria fumosorosea) is a kind of microbial insecticide, belongs to ascomycetes worm raw
Fungus, it blazons the whole world, and host range is extensive, has recorded 25 insecticides the most equal, including pickles
Some Important Agricultural insects such as moth, Diuraphis noxia and Bemisia tabaci.Fumosorosea is mainly multiple by secretion
The outer hydrolase insect body wall of born of the same parents thus invade host, there is the effect machine being different from existing chemical insecticide
Reason, is research and the wider insecticides of application, has that insecticidal spectrum is wide, power of curing the disease is strong, noresidue, right
The features such as people and animals crop and Environmental security.
Rotenone is a kind of botanical pesticide, molecular formula C23H22O6, universally present in Tropical Asian and
In the root of the pulse family Shandong Calamus plant that is produced from subtropical zone district, some Chinese herbal medicine such as Semen Pachyrhizi Erosi, Semen Seu Fructus Millettiae Pachycarpae, elder brother
Bright Caulis Spatholobi root also contains.Rotenone is by suppressing the electron transport chain of pest cell, thus reduces biology
Internal ATP level finally makes insect can not get energy supply, then drumble, paralysis and slowly dead.
Rotenone is the material that a kind of specificity is the strongest in toxicology, to insecticide (especially cabbage caterpillar, little
Diamond-back moth and aphid) there is strong tagging and stomach toxicity two kinds effect.Meanwhile, rotenone also have lasting period length,
Insecticidal activity is high, residual less, to features such as environment person poultry safeties, be in the world recognized by green, efficiently
Insecticide.
Although fumosorosea and rotenone are eco-friendly insecticide, but are used alone at the two
In the most all there is respective defect.As other microbiology class insecticide, fumosorosea there is also parasite killing
Effect relatively big, the shortcoming such as effect is unstable slow, affected by environment, and long term storage easily inactivates；And Radix seu Caulis Derridis Trifoliatae
The specificity that ketone is stronger limits the scope of its insecticidal spectrum, simultaneously as long-term use, is used alone fish
The insecticide of rattan ketone has engendered Drug resistance.
Summary of the invention
Based on this, it is an object of the invention to overcome the defect of prior art, it is provided that a kind of insecticides.
For achieving the above object, the present invention takes techniques below scheme:
A kind of insecticides, active component includes fumosorosea and rotenone, described rose dark brown rod
Bundle spore and rotenone mass percent in described insecticides are 2～80%, described rose dark brown cluster
Spore is (0.1～70) with the mass ratio of rotenone: 1.
Wherein in an embodiment, described fumosorosea and rotenone are in described insecticides
Mass percent be 50～80%, the mass ratio of described fumosorosea and rotenone is (5～17): 1.
Wherein in an embodiment, by percentage to the quality, be made up of following component: fumosorosea 1～
70%, rotenone 1～10%, wetting agent 1～8%, dispersant 1～11%, disintegrating agent 1～40%, froth breaking
Agent 0.3～5%, binding agent 0.5～4%, carrier 1～80%.
Wherein in an embodiment, by percentage to the quality, it is made up of following component: fumosorosea
45～70%, rotenone 2～12%, wetting agent 2～6%, dispersant 4～6%, disintegrating agent 3～10%,
Defoamer 0.5～3%, binding agent 2～3%, carrier 1～20%.
Wherein in an embodiment, described wetting agent is Saponin, lignosulfite, dodecyl sulfur
Acid sodium, sulfosuccinic monooctyl ester sodium salt, dialkyl succinylsuccinate sulfonate, fatty alcohol-polyoxyethylene ether, benzene sulfonamide
One or more in acid sodium, alkylnaphthalene sulfonate；Described dispersant is the contracting of alkylphenol polyoxyethylene formaldehyde
Compound, polyoxyethylenated alcohol sodium sulfate, lignosulfonates, polycarboxylate, naphthalene sulphonate formaldehyde contracting
Compound, to one or more in methoxyl group fatty acyl anilinesulfonic acid.
Wherein in an embodiment, described disintegrating agent is sodium sulfate, calcium chloride, polyvidon, urine
One or more in element, carboxymethyl starch sodium, starch, sodium carbonate, ammonium sulfate, sodium chloride, bentonite；
Described binding agent be Polyethylene Glycol, carboxymethyl cellulose, polyvinyl alcohol, glucose, gelatin, soybean protein,
One or more in sodium silicate, Gypsum Fibrosum.
Wherein in an embodiment, described defoamer is organosilicon ketone, C8-10 fatty alcohol, C10-20
One or more in representative examples of saturated aliphatic hydroxy acid and ester, ester-ether type compound, isooctanol；Described carrier
For Kaolin, kieselguhr, precipitated calcium carbonate, white carbon, attapulgite, corncob cellulose, meerschaum, side
One or more in Xie Shi, Silicon stone, pyrophyllite, xylitol, montmorillonite, potter's clay.
The present invention also provides for the preparation method of above-mentioned insecticides, comprises the steps:
By the fumosorosea of described mass percent, rotenone, wetting agent, dispersant, disintegrating agent,
Defoamer and carrier, pulverize after mix homogeneously, obtain crushed material, after described crushed material wet method being sieved, obtain female
Powder；
The binding agent of described mass percent is prepared as the adhesive solution that mass concentration is 10～15%；
Described adhesive solution is joined in described female powder and carry out pelletize, dry, obtain described insecticide
Compositions.
Wherein in an embodiment, described wet method is sieved and is crossed 900～1200 mesh sieves for wet method.
The present invention also provides for the application in preparation has the medicine of disinsection efficiency of the above-mentioned insecticides.
The principle of the invention and advantage are as follows:
By recipe determination, insecticides of the present invention uses fumosorosea and rotenone to compound,
Wherein, fumosorosea has that insecticidal spectrum is wide, power of curing the disease by force to features such as people and animals crop and Environmental securities,
But there is the defects such as insecticidal effect is slow, effect is unstable；Rotenone has that specificity is strong, insecticidal activity is high,
Lasting period length, residual less, to the feature such as environment, person poultry safety, but there is the deficiency that insecticidal spectrum is narrower,
Meanwhile, it in use also begins to occur in that Drug resistance.By the two compounding after, specificity that rotenone is strong,
High insecticidal activity, long lasting period, can be prevented effectively from the insecticidal effect that fumosorosea exists slow,
The defects such as effect is unstable；And fumosorosea and rotenone are compounded, obtain novel pesticide and join
Side, has delayed the insect Drug resistance to rotenone, and meanwhile, fumosorosea has wider insecticidal spectrum,
Well compensate for the shortcoming that insecticidal rotenone spectrum is narrower, expand its range of application.The two compensate for mutually
With each other as the deficiency of insecticide, insecticides of the present invention is made to have the significant killing ability of potentiation,
Be conducive to the integrated control to insect, delay the generation of pest resistance to insecticide, extend the utilization of pesticides life-span,
And drug cost is low.Additionally, fumosorosea and rotenone microorganism belonging to genus insecticides and vegetalitas respectively
Insecticide, is environment amenable insecticide active substance, and insecticides the most of the present invention has
To environment, the feature of person poultry safety, do not result in environmental pollution, be conducive to ecological balance.
The more important thing is, fumosorosea easily lost efficacy as a kind of fungus, long term storage, unstable
Effect and short effect duration significantly limit the fumosorosea application as insecticide.The present invention is grinding
Find during studying carefully, fumosorosea is compounded with rotenone, it is possible to be effectively increased rose dark brown cluster
The stability of spore and effect duration, after room temperature deposits 2 years, the Conidia persistence of fumosorosea is still 90%
Above.
Find during insecticides of the present invention is studied, fumosorosea and fish
Rattan ketone mass percent in described Pesticidal combination and mass ratio therebetween, kill of the present invention
The insecticidal effect of worm agent compositions has large effect.Through experiment screening, when described fumosorosea and
Rotenone mass percent in described insecticides is 2～80%, described fumosorosea and fish
The mass ratio of rattan ketone is (0.1～70): when 1, can make the prevention effect of insecticides of the present invention
Reach more than 80%.And when described fumosorosea and rotenone quality in described insecticides
Percentage ratio is 50～80%, and the mass ratio of described fumosorosea and rotenone is (5～17): when 1, and it is prevented
Control effect and can reach more than 88%.
Traditional insecticide would generally be prepared as the form of cream and powder, and both dosage forms all exist respective
Defect.Cream needs to use organic solvent in the preparation, and the insecticide of this dosage form is during storing, easily
Occur emulsifying, be layered, precipitate, the quality problems such as effective ingredient is unstable；Powder is then easily producing and is making
Produce dust drift during with, cause burning, even explode.While adding environmental pressure, also hold
Easily the personal safety to operator works the mischief.
Accordingly, as preferably, the present invention is by wetting agent, dispersant, disintegrating agent, defoamer, viscous
The screening of the knot auxiliary agent such as agent, carrier and proportion research, be prepared as moisture by insecticides of the present invention
Shot agent, described water dispersible granules has the advantage that the mankind and Environmental security, low cost, user
Just, and can control release and orientation；The preparation of high-load can be processed into as required, save packaging, storage
Deposit, cost of transportation；Finished product is granular solids, good fluidity, mends viscous wall, will not remain in bag after toppling over
Secondary pollution is formed in packaging container；Can use papery that product is packed, it is simple to reclaim and destroy or naturally drop
Solve.
Meanwhile, insecticides of the present invention is made water dispersible granules can increase it further and effectively become
Point, the particularly stability of fumosorosea, improves its Conidia persistence.
Additionally, wetting agent, dispersant, disintegrating agent, defoamer, binding agent, the interpolation of the auxiliary agents such as carrier,
The active constituent content of insecticides of the present invention also can be made high, and disintegration rate is fast, dispersibility
Energy is good and heat stores steady performance, thus further increases the anti-of insecticides of the present invention
Control effect and safety.
During preparing described insecticides, it is can that each component in addition to binding agent is pulverized by the present invention
Wet method crosses the crushed material of 900～1200 mesh sieves, after making the insecticides prepared use dispersion, and diameter
Superfine, beneficially target fully absorbs and plays a role, and can reduce effective ingredient consumption, improves insecticidal effect.
Compared with prior art, the method have the advantages that
1, the active component of insecticides of the present invention uses fumosorosea and rotenone to compound,
Effectively increase fumosorosea stability and effect duration, improve its Conidia persistence.Meanwhile, when rose cigarette
Color Isaria and rotenone mass percent in described insecticides are 2～80%, described rose dark brown
The mass ratio of Isaria and rotenone is (0.1～70): when 1, and described insecticides insecticidal efficacy is high,
Effect duration is long, and prevention effect reaches more than 80%.Meanwhile, to environment, the feature of person poultry safety, Bu Huizao
Become environmental pollution, be conducive to ecological balance.
2, the present invention is by auxiliary agents such as wetting agent, dispersant, disintegrating agent, defoamer, binding agent, carriers
Screening, insecticides of the present invention is prepared as water dispersible granules, the present invention can be increased further
The stability of the effective ingredient of described insecticides, particularly fumosorosea.Additionally, auxiliary agent
Adding, the active constituent content of insecticides of the present invention also can be made high, disintegration rate is fast,
Dispersive property good and hot storage steady performance, thus further increase insecticide composition of the present invention
The prevention effect of thing and safety.
3, the preparation method of insecticides of the present invention, step is simple, it is not necessary to use organic solvent,
And do not have dust to drift about in process of production, will not burn, will not explode, petroleum resources can be saved and subtract
Light environmental pollution, to operator and Environmental security.Meanwhile, the insecticides diameter prepared is superfine,
Be conducive to target to fully absorb to play a role, effective ingredient consumption can be reduced, improve insecticidal effect.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow chart of insecticides described in embodiment 1.
Detailed description of the invention
Fumosorosea of the present invention is commercially available mycopowder, and its spore content is 10～10,000,000,000/gram；Fish
Rattan ketone is commercially available former powder；
The part material that the embodiment of the present invention is used is as follows:
| Raw material | Supplier |
| Fatty alcohol-polyoxyethylene ether | Xingtai City blue sky Fine Chemical Co., Ltd |
| Alkylphenol polyoxyethylene formaldehyde condensation products | Fringillidae skill Development Co., Ltd in the cloud of Sichuan |
| Polyoxyethylenated alcohol sodium sulfate | Guangzhou Xi Ye Chemical Industry Science Co., Ltd |
| Polycarboxylate 2700 | Xingtai City blue sky Fine Chemical Co., Ltd |
| Organosilicon ketone | Guangzhou Fang Zhong Chemical Co., Ltd. |
| To methoxyl group fatty acyl anilinesulfonic acid | Fringillidae skill Development Co., Ltd in the cloud of Sichuan |
| Naphthalenesulfonate formaldehyde condensation compound | Shangyu Zhe Chuan Chemical Co., Ltd. |
| C8-10 fatty alcohol | Dongming, Quzhou City Chemical Co., Ltd. |
| Polyvinyl alcohol | Hunan Yan Qing Chemical Co., Ltd. |
| C10-20 representative examples of saturated aliphatic hydroxy acid and ester thereof | Hangzhou Tuo Mu Science and Technology Ltd. |
| Alkylnaphthalene sulfonate | Guangzhou Fang Zhong Chemical Co., Ltd. |
| Polyethylene Glycol | Xingtai City blue sky Fine Chemical Co., Ltd |
| Polyvidon | Guangzhou Tao Sheng Chemical Co., Ltd. |
| Sodium alkyl benzene sulfonate | Guangzhou Chuan Qi Chemical Co., Ltd. |
| Dialkyl succinylsuccinate sulfonate | Jiangsu Hai'an Petrochemical Plant |
| Sulfosuccinic monooctyl ester sodium salt | Jiangsu Hai'an Petrochemical Plant |
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 80%, the mass ratio between fumosorosea and rotenone is 7:1, with quality hundred
Proportion by subtraction meter, is made up of following component:
Fumosorosea 70%, rotenone 10%, wetting agent sodium lauryl sulphate 4%, the poly-carboxylic of dispersant
Hydrochlorate 27003%, sodium lignin sulfonate 4%, disintegrating agent sodium sulfate 5%, defoamer isooctanol 0.4%, viscous
Knot agent glucose 0.5%, carrier Kaolin complements to 100%.
The preparation method of above-mentioned Pesticidal combination comprises the steps:
By the fumosorosea of described mass percent, rotenone, wetting agent, dispersant, disintegrating agent,
Defoamer and carrier, after mixing 20 minutes, put in double worm mixer in Agravicmixer, and limit is mixed
Close limit to pulverize through jet mill, obtain crushed material, after described crushed material wet method is crossed 1000 mesh sieves, by rotation
Wind seperator and sack cleaner are collected, and mix 30 minutes in another double worm mixer, obtain all
Even female powder；
Described binding agent is prepared as the adhesive solution that mass concentration is 12%；
Described female powder is imported in rotationization fluidized bed pelletizer, sprays into described adhesive solution, carry out pelletize,
After being dried by gained irregular particle, screening uniformly, obtains described insecticides.
The preparation technology flow chart of insecticides described in the present embodiment is as shown in Figure 1.
Embodiment 2
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 70%, the mass ratio between fumosorosea and rotenone is 13:1, with quality
Percentages, is made up of following component:
Fumosorosea 65%, rotenone 5%, wetting agent sulfosuccinic monooctyl ester sodium salt 5%, dispersant naphthalene
Sulfonate and formaldehyde condensation substance 7%, lignin sulfonic acid calcium salt 3%, disintegrating agent polyvidon 10%, bonding
Agent Polyethylene Glycol 0.5%, defoamer isooctanol 0.4%, carrier white carbon complements to 100%.
The preparation method of above-mentioned Pesticidal combination comprises the steps:
By the fumosorosea of described mass percent, rotenone, wetting agent, dispersant, disintegrating agent,
Defoamer, carrier, after mixing 30 minutes, put in double worm mixer in Agravicmixer, and limit is mixed
Close limit to pulverize through jet mill, obtain crushed material, after described crushed material wet method is crossed 1200 mesh sieves, by rotation
Wind seperator and sack cleaner are collected, and mix 50 minutes in another double worm mixer, obtain all
Even female powder；
Described binding agent is prepared as the adhesive solution that mass concentration is 10%；
Described female powder is imported in rotationization fluidized bed pelletizer, sprays into described adhesive solution, carry out pelletize,
After being dried by gained irregular particle, screening uniformly, obtains described insecticides.
Embodiment 3
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 50%, the mass ratio between fumosorosea and rotenone is 47:3, with quality
Percentages, is made up of following component:
Fumosorosea 47%, rotenone 3%, wetting agent sodium alkyl benzene sulfonate 4%, dispersant alkyl phenol
Polyoxyethylene ether formaldehyde condensation products 3%, sodium lignin sulfonate 4%, disintegrating agent carbamide 30%, binding agent Gypsum Fibrosum
0.5%, defoamer organosilicon ketone 0.3%, carrier Silicon stone complements to 100%.
The preparation method of above-mentioned Pesticidal combination comprises the steps:
By the fumosorosea of described mass percent, rotenone, wetting agent, dispersant, disintegrating agent,
Defoamer, carrier, after mixing 10 minutes, put in double worm mixer in Agravicmixer, and limit is mixed
Close limit to pulverize through jet mill, obtain crushed material, after described crushed material wet method is crossed 900 mesh sieves, by rotation
Wind seperator and sack cleaner are collected, and mix 40 minutes in another double worm mixer, obtain all
Even female powder；
Described binding agent is prepared as the adhesive solution that mass concentration is 15%；
Described female powder is imported in rotationization fluidized bed pelletizer, sprays into described adhesive solution, carry out pelletize,
After being dried by gained irregular particle, screening uniformly, obtains described insecticides.
Embodiment 4
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 30%, the mass ratio between fumosorosea and rotenone is 2:1, with quality hundred
Proportion by subtraction meter, is made up of following component:
Fumosorosea 20%, rotenone 10%, wetting agent fatty alcohol-polyoxyethylene ether 5%, dispersant pair
Methoxyl group fatty acyl anilinesulfonic acid 5%, sodium lignin sulfonate 6%, disintegrating agent calcium chloride 20%, binding agent
Gelatin 0.5%, defoamer C8-10 fatty alcohol 1%, carrier calcite complements to 100%.
The preparation method of above-mentioned insecticides is with embodiment 1.
Embodiment 5
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 11%, the mass ratio between fumosorosea and rotenone is 0.1:1, with quality
Percentages, is made up of following component:
Fumosorosea 1%, rotenone 10%, wetting agent Saponin 5%, dispersant is to methoxyl group fatty acyl
Anilinesulfonic acid 4%, lignin sulfonic acid calcium salt 6%, disintegrating agent sodium carbonate 30%, binding agent soybean protein 0.5%,
Defoamer C8-10 fatty alcohol 1%, carrier diatomaceous earth complements to 100%.
The preparation method of above-mentioned insecticides is with embodiment 1.
Embodiment 6
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In mass percent be 71%, the mass ratio between fumosorosea and rotenone is 70:1, with quality
Percentages, is made up of following component:
Fumosorosea 70%, rotenone 1%, wetting agent dialkyl succinylsuccinate sulfonate 3%, dispersant fat
Fat polyoxyethylenated alcohol sodium sulfate 5%, sodium lignin sulfonate 4%, disintegrating agent starch 10%, the poly-second of binding agent
Enol 0.5%, defoamer C8-10 fatty alcohol 0.8%, carrier attapulgite complements to 100%.
The preparation method of above-mentioned insecticides is with embodiment 1.
Embodiment 7
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In quality to account for percentage ratio be 2%, the mass ratio between fumosorosea and rotenone is 1:1, with quality
Percentages, is made up of following component:
Fumosorosea 1%, rotenone 1%, wetting agent is alkylnaphthalene sulfonate 5%, dispersant lignin
Sodium sulfonate 4%, disintegrating agent sodium chloride 8%, binding agent carboxymethyl cellulose 2%, defoamer C10-20 is saturated
Aliphatic hydroxy acid and ester 1% thereof, carrier montmorillonite complements to 100%.
The preparation method of above-mentioned insecticides is with embodiment 1.
Embodiment 8
The present embodiment one insecticides, fumosorosea and rotenone are at described insecticides
In quality to account for percentage ratio be 51%, the mass ratio between fumosorosea and rotenone is 50:1, with matter
Amount percentages, is made up of following component:
Fumosorosea 50%, rotenone 1%, wetting agent sulfosuccinic monooctyl ester sodium salt 3%, dispersant fat
Fat polyoxyethylenated alcohol sodium sulfate 6%, disintegrating agent bentonite 10%, binding agent silicic acid stone 0.5%, defoamer
The fatty alcohol 0.8% of C8～10, carrier precipitated calcium carbonate complements to 100%.
The preparation method of above-mentioned insecticides is with embodiment 1.
Comparative example 1
This comparative example one insecticides, effective ingredient is only fumosorosea, and it is at described parasite killing
Mass percent in agent is 80%, and remaining auxiliary agent and preparation method are with embodiment 1.
Comparative example 2
This comparative example one insecticides, effective ingredient is only rotenone, and it is in described insecticide
Mass percent is 80%, and remaining auxiliary agent and preparation method are with embodiment 1.
Comparative example 3
This comparative example one insecticides, fumosorosea and rotenone are at described insecticides
In quality to account for percentage ratio be 80%, the mass ratio between fumosorosea and rotenone is 75:1, remaining
Auxiliary agent and preparation method are with embodiment 1.
Comparative example 4
This comparative example one insecticides, fumosorosea and rotenone are at described insecticides
In quality to account for percentage ratio be 80%, the mass ratio between fumosorosea and rotenone is 1:15, remaining
Auxiliary agent and preparation method are with embodiment 1.
Embodiment 9
(1) insect killing effect test
1.1 subjects: Pieris rapae 2～3 instar larvae；
1.2 test methods: use nebulization preventing and treating.By insecticide group described in embodiment 1-7 and comparative example 1-4
Compound is diluted to the pesticide spray of consumption concentration as shown in table 1 respectively, tests, daily check, record
Dead borer population.Often group experiment is repeated 4 times, results averaged.
Embodiment 1-7 and comparative example 1-4 insecticidal effect are as shown in table 1.
Table 1
Known by table 1, after fumosorosea and rotenone are compounded by insecticides of the present invention, relatively
When the two is used alone (comparative example 1 and 2), insecticidal effect significantly improves, and preventive effect reaches more than 80%, holds
The effect phase is not less than 12 days.Meanwhile, compared with comparative example 3 and 4, insecticides described in embodiment 1-8
Preventive effect increase, the lasting period significantly extends.
(2) effect duration test:
Experimental group: insecticides described in embodiment 1；
Matched group 1: a kind of insecticides, effective ingredient is fumosorosea and cypermethrin compounded,
Remaining component and preparation method are with embodiment 1；
Matched group 2: insecticides described in comparative example 1；
Matched group 3: a kind of insecticides, effective ingredient is fumosorosea and rotenone, and dosage form is
Powder: its raw material includes fumosorosea 70%, rotenone 10%, wetting agent sodium lauryl sulphate 4%,
Dispersant polycarboxylate 27003% and sodium lignin sulfonate 4%, carrier Kaolin complements to 100%；Preparation
Method is: after described raw material is mixed 30 minutes in Agravicmixer, puts in double worm mixer,
Mixing limit, limit is pulverized through jet mill, obtains powder after crossing 1000 mesh sieves.
Experimentation: by each group of insecticides after room temperature (15-30 DEG C) deposits 2 years, detect respectively
The survival rate of fumosorosea miospore described in experimental group and matched group 1-3, result is as shown in table 2.
Table 2
| Survival rate (%) | |
| Experimental group | 91% |
| Matched group 1 | 60% |
| Matched group 2 | 40% |
| Matched group 3 | 45% |
It is real that insecticides described in experimental group after depositing 2 years and matched group 1-3 carries out insecticidal effect respectively
Testing, result is as shown in table 3.
Table 3
| Consumption (g/ mu) | Preventive effect (%) | Lasting period (my god) | |
| Experimental group | 50 | 86.4 | 13 |
| Matched group 1 | 50 | 70.3 | 7 |
| Matched group 2 | 50 | 50.2 | 3 |
| Matched group 3 | 50 | 67.9 | 8 |
Known by table 2 and table 3, after insecticides described in experimental group deposits 2 years at normal temperatures, described rose
The survival rate of dark brown Isaria miospore is still up to 91%, and preventive effect is 86%, and the lasting period is 13 days, and relatively 2
Reduce inconspicuous before year.And the Conidia persistence of contrast groups 1 and 2 is reduced to 40% and 60%, preventive effect is 70.3%
With 50.2%, the lasting period is 7 days and 3 days, insecticidal effect and experimental group obvious difference.It follows that this
Bright described insecticides uses rotenone to compound with fumosorosea, it is possible to be effectively increased rose dark brown rod
The survival rate of bundle spore miospore, extends its parasite killing effect duration.
Additionally, the Conidia persistence of powder is reduced to 45% described in matched group 3, preventive effect is 67.9%, the lasting period
It is 8 days, insecticidal effect and experimental group obvious difference.It follows that by insecticides of the present invention
It is prepared as water dispersible granules and can improve the survival rate of fumosorosea miospore, extend parasite killing further effective
Phase.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more 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 this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (9)
1. an insecticides, it is characterised in that active component includes fumosorosea and rotenone,
By percentage to the quality, be made up of following component: fumosorosea 1～70%, rotenone 1～10%,
Wetting agent 1～8%, dispersant 1～11%, disintegrating agent 1～40%, defoamer 0.3～5%, binding agent 0.5～
4%, carrier 1～80%, described fumosorosea and the rotenone quality hundred in described insecticides
Proportion by subtraction is 2～80%, and described fumosorosea is (0.1～70) with the mass ratio of rotenone: 1.
Insecticides the most according to claim 1, it is characterised in that described fumosorosea
Be 50～80% with rotenone mass percent in described insecticides, described fumosorosea with
The mass ratio of rotenone is (5～17): 1.
Insecticides the most according to claim 1, it is characterised in that by percentage to the quality, by
Following component composition: fumosorosea 45～70%, rotenone 2～12%, wetting agent 2～6%, dispersion
Agent 4～6%, disintegrating agent 3～10%, defoamer 0.5～3%, binding agent 2～3%, carrier 1～20%.
Insecticides the most according to claim 1, it is characterised in that described wetting agent be Saponin,
Lignosulfite, sodium lauryl sulphate, sulfosuccinic monooctyl ester sodium salt, dialkyl succinylsuccinate sulfonate,
One or more in fatty alcohol-polyoxyethylene ether, sodium alkyl benzene sulfonate, alkylnaphthalene sulfonate；Described dispersion
Agent be alkylphenol polyoxyethylene formaldehyde condensation products, polyoxyethylenated alcohol sodium sulfate, lignosulfonates,
Polycarboxylate, naphthalenesulfonate formaldehyde condensation compound, to one or more in methoxyl group fatty acyl anilinesulfonic acid.
Insecticides the most according to claim 1, it is characterised in that described disintegrating agent be sodium sulfate,
Calcium chloride, polyvidon, carbamide, carboxymethyl starch sodium, starch, sodium carbonate, ammonium sulfate, chlorination
One or more in sodium, bentonite；Described binding agent is Polyethylene Glycol, carboxymethyl cellulose, polyethylene
One or more in alcohol, glucose, gelatin, soybean protein, sodium silicate, Gypsum Fibrosum.
Insecticides the most according to claim 1, it is characterised in that described defoamer is organosilicon
Ketone, C8-10 fatty alcohol, C10-20 representative examples of saturated aliphatic hydroxy acid and ester thereof, ester-ether type compound, different pungent
One or more in alcohol；Described carrier is Kaolin, kieselguhr, precipitated calcium carbonate, white carbon, concavo-convex
In rod soil, corncob cellulose, meerschaum, calcite, Silicon stone, pyrophyllite, xylitol, montmorillonite, potter's clay
One or more.
7. the preparation method of insecticides described in any one of claim 1-6, it is characterised in that include
Following steps:
By the fumosorosea of described mass percent, rotenone, wetting agent, dispersant, disintegrating agent,
Defoamer and carrier, pulverize after mix homogeneously, obtain crushed material, after described crushed material wet method being sieved, obtain female
Powder；
The binding agent of described mass percent is prepared as the adhesive solution that mass concentration is 10～15%；
Described adhesive solution is joined in described female powder and carry out pelletize, dry, obtain described insecticide
Compositions.
Insecticides the most according to claim 7, it is characterised in that described wet method is sieved as wet method
Cross 900～1200 mesh sieves.
9. insecticides described in any one of claim 1-6 is in preparation has the medicine of disinsection efficiency
Application.
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| CN106376582A (en) * | 2016-08-30 | 2017-02-08 | 广西世超生物科技有限公司 | Rotenone water dispersible granule and preparation method thereof |
| CN108477220B (en) * | 2018-02-01 | 2020-05-26 | 鹤壁市人元生物技术发展有限公司 | Aspergillus parasiticus spore composite pesticide and preparation method thereof |
| CN109548795A (en) * | 2018-12-12 | 2019-04-02 | 华南农业大学 | A kind of Zero-valent Iron-fumosorosea nanoparticle and its preparation method and application |
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| CN101273728B (en) * | 2008-04-22 | 2011-01-19 | 华南农业大学 | Pesticides combined with Paecilomyces fumosoroseus and Azadirachtin |
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