CN102578106A - Pesticide for controlling aphides of ornamental chrysanthemum - Google Patents
Pesticide for controlling aphides of ornamental chrysanthemum Download PDFInfo
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- CN102578106A CN102578106A CN2012100248099A CN201210024809A CN102578106A CN 102578106 A CN102578106 A CN 102578106A CN 2012100248099 A CN2012100248099 A CN 2012100248099A CN 201210024809 A CN201210024809 A CN 201210024809A CN 102578106 A CN102578106 A CN 102578106A
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- Prior art keywords
- nitenpyram
- insecticide
- chrysanthemum
- aphid
- pyrrole
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Abstract
The invention discloses a pesticide for controlling aphides of ornamental chrysanthemum. The pesticide is characterized in that the pesticide comprises pymetrozine and nitenpyram; the weight percent of pymetrozine to nitenpyram is (60 to 20):(30 to 5); and the pesticide is characterized by good control effect, high selectivity, superior inabsorbability activity, wide application range, no residual free and the like compared with the conventional pesticide.
Description
Technical field
The present invention relates to a kind of insecticide, specifically, relate to the insecticide that the chrysanthemum aphid is viewed and admired in a kind of control.
Background technology
Advocating today green and the protection environment, multiple high poison and high residue chemicals are limited the quantity of or are stopped production.And agricultural chemicals such as organic phosphor, organic amino, pyrethroid, benzoyl area kind and biochemistry; Through compounded combination original toxicity is decreased to a certain extent; And because the result who uses year after year causes polypide drug resistance and pesticide resistance to strengthen year by year, the effect that is used alternatingly is also very good.It limits the use of scope to the actual amount of dilution of agricultural insecticide head and shoulders above, and the agricultural product chemicals are residual far not to reach non-harmful requirement, and the agricultural chemicals demand that increases year by year causes the aggravation of rural environmental pollution, and its residue more can not be ignored the harm of human body.In recent years because of the diseases induced probability of agricultural chemicals improves greatly, and also has the trend that increases.
The aphid of harm chrysanthemum mainly contains cotten aphid with red aphid, chrysanthemum Ji Macrosiphus spp.They are clustered in young tender positions such as blade, young stem, the bud heart, petal, and thorn is inhaled juice, cause the position shrinkage deformity of being injured, and the blade Huang falls when serious, and bud is ruined, and the florescence shortens.In addition, the honeydew of aphid drainage also can bring out damage by disease and insect.The aphid body is little, and tool wing and aptery individuality are generally arranged, and modes of reproduction has parthenogenesis and bisexual reproduction, ovoviviparity and oviparity, and body colour also has green, yellow or light green, dark blue or green isochrome, differs greatly.The aphid of harm chrysanthemum also can breed for 20~30 generations every year.The weather conditions of high-temperature drying are unfavorable for its breeding, so the harm of aphid generally has two peak periods, the i.e. September in the 4~May in spring and autumn.
At present, the control of viewing and admiring the chrysanthemum aphid is generally killed 2500 times of liquid of chrysanthemum emulsifiable concentrate, 1000 times of liquid of 40% omethoate emulsifiable solution, 1500 times of sprinklings such as liquid of the emerald green oil of 50% menazon with 20%.But there are many shortcomings in above-mentioned insecticide:
1, control efficiency is poor;
2, quick-acting is poor, and the property of medicine takes effect slowly;
3, poor selectivity, all harmful to beneficial insect;
Poisonous, easy residual, all contain harmful components to people and animals.
Summary of the invention
The technical problem that the present invention will solve is to overcome above-mentioned defective, provides that a kind of control efficiency is good, quick-acting and selectivity are strong and nontoxic, be difficult for the insecticide that the chrysanthemum aphid is viewed and admired in residual control.
To achieve these goals, the technical scheme taked of the present invention is:
The insecticide of chrysanthemum aphid is viewed and admired in a kind of control, it is characterized in that, said insecticide comprises pyrrole aphid ketone and Nitenpyram, and the percentage by weight of said pyrrole aphid ketone and Nitenpyram is (60 ~ 20): (30 ~ 5).
As a kind of improvement:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 40:20.
As further improvement:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:30.
As further improving again:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:20.
As further improving again:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:5.
As further improving again:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:5.
As further improving again:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:15.
As further improving again:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:30.
As further improving again:
The auxiliary agent of said insecticide is NNO, and said continuous phase is kaolin.
5% of the shared insecticide total amount of said NNO.
Pyrrole aphid ketolysis mode is unique, does not knock down activity, can not produce direct toxicity to insect, but in a single day insect touches this medicament, just stops to get food immediately.Pyrrole aphid ketone has action of contace poison to insect, also has systemic activity simultaneously.Can also can be in plant corpus in the phloem transporting in the xylem transporting; Therefore both can be used as foliar spray, also can be used for soil treatment.Because its good transporting characteristic, the branches and leaves that after the cauline leaf spraying, newly grow also can be effectively protected.Even organic phosphor and carbamate insecticide are developed immunity to drugs, pyrrole aphid ketone to sucking pest particularly aphid, trialeurodes vaporariorum, rice leafhopper still have unique control efficiency, can be used for the control of multiple resistant strain insect.Because of its high selectivity that has, to mammiferous hypotoxicity with to birds, fish, the arthropodan safety of non-target, in integrated control, play an important role.Nitenpyram mainly acts on the insect nerve, and action target is the nicotinic acid acetylcholinesterase acceptor of insect nervous system postsynaptic membrane, disturbs the pest movements nervous system to stimulate conduction normally.Have characteristics such as remarkable interior absorption, osmosis are strong, insecticidal spectrum is wide.
NNO chemical name di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, molecular formula is CH2 (C10H6SO3Na) 2 or C21H14O6S2Na2, for the brown powdery of rice, is soluble in the water of any hardness.NNO has superior proliferating property and protecting colloid performance, but does not have surface-active such as infiltration foaming etc., and protein and Fypro are had affinity, and fibers such as cotton, fiber crops are not had affinity.
With pyrrole aphid ketone different with Nitenpyram be mixed and made into bactericide in proportion; Utilize both different insecticidal mechanisms, make the two can be complementary aspect desinsection, learn from other's strong points to offset one's weaknesses; Guaranteeing that using medicine all is under the prerequisite of low toxicity; Set about killing aphid from mechanism of different apace, spray the back instant effect, control efficiency is good.
In use, get this insecticide, after the dilution proportion of water with 1:3000 ~ 5000, spray pest control to viewing and admiring chrysanthemum, behind polypide contact medicament, the pyrrole aphid ketone in the medicament seals the mouthpart of insect rapidly, make insect can't take food and dead and; Nitenpyram then disturbs the pest movements nervous system to stimulate conduction normally, thus kill pests.
The present invention compares advantage with existing insecticide:
1. control efficiency is good;
2. selectivity is strong---and this selectivity is splendid, to some important natural enemy or beneficial insect, like the natural enemy coccinella septempunctata of cotton bollworm, chrysopa carnea, beneficial insects such as the natural enemy spider of leafhopper and Delphacidae are almost harmless;
3. good systemic activity---blade face test shows that its systemic activity (LC50) is 2-3 a times of Aphox, is more than 140 times of cypermethrin;
4. the scope of application is wide, can prevent and treat the resistant strain insects such as black peach aphid of anti-organic phosphor and carbamate insecticide; 5. noresidue does not contain the composition that people and animals are harmful to yet.
Below in conjunction with embodiment the present invention is further specified.
Embodiment
Embodiment 1: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 40% pyrrole aphid ketone and 20% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 1 insecticidal effect of the present invention is described further.
Comparative trial 1
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 40%, 20% Nitenpyram, 5% dispersing agent NNO; Continuous phase is kaolin; Process 60% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:5000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table one
Can find out that from the data of table one the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 95% after 12 hours, and control efficiency is obvious.
Embodiment 2: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 60% pyrrole aphid ketone and 30% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 2 insecticidal effect of the present invention is described further.
Comparative trial 2
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 60%, 30% Nitenpyram, 5% dispersing agent NNO; Continuous phase is kaolin; Process 90% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:5000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table two
Can find out that from the data of table two the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 92% after 12 hours, and control efficiency is obvious.
Embodiment 3: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 60% pyrrole aphid ketone and 20% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 3 insecticidal effect of the present invention is described further.
Comparative trial 3
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 60%, 20% Nitenpyram, 5% dispersing agent NNO; Continuous phase is kaolin; Process 80% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:5000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table three
Can find out that from the data of table three the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 92% after 12 hours, and control efficiency is obvious.
Embodiment 4: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 60% pyrrole aphid ketone and 5% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 4 insecticidal effect of the present invention is described further.
Comparative trial 4
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 60%, 5% Nitenpyram, 5% dispersing agent NNO, continuous phase is kaolin, processes 65% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:4000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table four
Can find out that from the data of table four the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 91% after 12 hours, and control efficiency is obvious.
Embodiment 5: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 20% pyrrole aphid ketone and 5% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 5 insecticidal effect of the present invention is described further.
Comparative trial 5
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 20%, 5% Nitenpyram, 5% dispersing agent NNO, continuous phase is kaolin, processes 25% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:3000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table five
Can find out that from the data of table five the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 91% after 12 hours, and control efficiency is obvious.
Embodiment 6: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 20% pyrrole aphid ketone and 15% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 6 insecticidal effect of the present invention is described further.
Comparative trial 6
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 20%, 15% Nitenpyram, 5% dispersing agent NNO; Continuous phase is kaolin; Process 35% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:3000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table six
Can find out that from the data of table six the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 92% after 12 hours, and control efficiency is obvious.
Embodiment 7: the insecticide of chrysanthemum aphid is viewed and admired in a kind of control, and said insecticide comprises 20% pyrrole aphid ketone and 30% Nitenpyram, and auxiliary agent is NNO, accounts for 5% of insecticide total amount, and continuous phase is kaolin.
With comparative trial 7 insecticidal effect of the present invention is described further.
Comparative trial 7
View and admire the control test of chrysanthemum aphid: the pyrrole aphid ketone with 20%, 30% Nitenpyram, 5% dispersing agent NNO; Continuous phase is kaolin; Process 50% pyrrole aphid ketone Nitenpyram wetting powder, add water 1:5000 and doubly dilute, to test and view and admire chrysanthemum and spray.
Table seven
Can find out that from the data of table seven the present invention compares with existing insecticide, still independent comparing with pyrrole aphid ketone or Nitenpyram; All have remarkable advantages, instant effect not only after the sprinkling, and also control rate is high; Control rate is up to 94% after 12 hours, and control efficiency is obvious.
In sum, the insecticide of mainly being processed by a certain percentage by pyrrole aphid ketone and Nitenpyram is compared with existing insecticide and independent pyrrole aphid ketone or Nitenpyram; All has greater advantage; View and admire in control and to have good control efficiency aspect the chrysanthemum aphid, final control rate reaches more than 90%, and instant effect; Noresidue is to the person poultry harmless.
In addition, find in test that there is fluctuation in different along with the proportioning of pyrrole aphid ketone and Nitenpyram from the control rate and the phase that takes effect, through analyzing discovery, the percentage by weight of pyrrole aphid ketone and Nitenpyram is when 40:20, and These parameters reaches the best.
Claims (10)
1. the insecticide of chrysanthemum aphid is viewed and admired in a control, and it is characterized in that: said insecticide comprises pyrrole aphid ketone and Nitenpyram, and the percentage by weight of said pyrrole aphid ketone and Nitenpyram is (60 ~ 20): (30 ~ 5).
2. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that: the percentage by weight of said pyrrole aphid ketone and Nitenpyram is 40:20.
3. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:30.
4. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that: the percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:20.
5. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 60:5.
6. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:5.
7. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that:
The percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:15.
8. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 1, it is characterized in that: the percentage by weight of said pyrrole aphid ketone and Nitenpyram is 20:30.
9. the insecticide of chrysanthemum aphid is viewed and admired in one of them described a kind of control according to claim 1 to 8, and it is characterized in that: the auxiliary agent of said insecticide is NNO, and said continuous phase is kaolin.
10. the insecticide of chrysanthemum aphid is viewed and admired in a kind of control according to claim 9, it is characterized in that:
5% of the shared insecticide total amount of said NNO.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104982441A (en) * | 2015-08-01 | 2015-10-21 | 华中农业大学 | Insecticidal composition containing pymetrozine and nitenpyram and preparation method of insecticidal composition |
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CN104982441A (en) * | 2015-08-01 | 2015-10-21 | 华中农业大学 | Insecticidal composition containing pymetrozine and nitenpyram and preparation method of insecticidal composition |
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Application publication date: 20120718 |