CN104285989B - A kind of composition pesticide containing pyraclostrobin and propamidine - Google Patents
A kind of composition pesticide containing pyraclostrobin and propamidine Download PDFInfo
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- CN104285989B CN104285989B CN201410458376.7A CN201410458376A CN104285989B CN 104285989 B CN104285989 B CN 104285989B CN 201410458376 A CN201410458376 A CN 201410458376A CN 104285989 B CN104285989 B CN 104285989B
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Abstract
The invention discloses the composition pesticide that a kind of active ingredient is pyraclostrobin and propamidine, including usual auxiliaries, pyraclostrobin and propamidine, the ratio of weight and number of pyraclostrobin and propamidine is 20：1~1：20, the percentage by weight of pyraclostrobin and propamidine weight summation in composition pesticide is 3%~90%.There is obvious synergistic effect after pyraclostrobin and propamidine compounding, and compound drug effective ingredient consumption is significantly reduced than exclusive use, suitable for preventing and treating by the fungus-caused crop disease of pathogen, the crop head blight that the crop gray mold that is especially caused by Botrytis (Botrytis) pathogen, Gibberella (Gibberella) pathogen cause.
Description
Technical field
The present invention relates to a kind of composition pesticide, specifically a kind of agricultural chemicals group containing pyraclostrobin and propamidine
Compound.
Background technology
Pyraclostrobin, english common name Pyraclostrobin is methoxy acrylic series bactericidal agent, is line
Plastochondria respiration inhibitor, i.e., by synthesizing in cytochromes in prevent electro transfer, with protection, treatment, blade infiltration conduction
Effect, preventing and treating powdery mildew of cucumber, downy mildew and banana freckle, leaf spot, sclerotiniose etc. has preferable prevention effect.
Propamidine, english common name Propamidine belongs to aromatic diamidine compound, and propamidine is sterilized absorbability
Agent, in plant body absorption, distribution and can be metabolized, and with protection and therapeutic action, be mainly used in preventing and treating by Botrytis cause of disease
The crop gray mold that thing causes.
The mixture of different pesticide species, is the common methods of the agriculture resistance disease of preventing and treating.Screened by formulation of pesticide, screening
Go out rational formula, actual prevention effect can be effectively improved, reduce dosage, reduces cost delays the generation of disease drug resistance,
It is the important means of the disease comprehensive regulation.
Pyraclostrobin and propamidine compounding enhance the protective effect to crop, while reduce that pyrazoles ether bacterium is used alone
The resistance risk that ester or propamidine bring, has no the report of pyraclostrobin and propamidine compounding at present.
The content of the invention
Present invention solves the technical problem that being to provide, one kind is efficient, low toxicity, quick-acting are good and the lasting period is long, are conducive to disease
The composition pesticide containing pyraclostrobin and propamidine of the comprehensive regulation.
To solve the above problems, the technical solution adopted in the present invention is：It is a kind of containing pyraclostrobin and propamidine
Composition pesticide, including usual auxiliaries and pyraclostrobin and propamidine, pyraclostrobin and propamidine ratio of weight and number are 20：
1~1：20, the percentage by weight of pyraclostrobin and propamidine weight summation in composition pesticide is 3%~90%.
Further：The above-mentioned composition pesticide containing pyraclostrobin and propamidine can be public according to those skilled in the art
The method known, using suitable insecticides adjuvant, is configured to suspending agent, dispersibles oil-suspending agent, water dispersible granules, wettable powder
Etc. the suitable formulation for agriculturally using.
The insecticides adjuvant used in composition pesticide of the present invention include solvent, emulsifying agent, wetting agent, disintegrant, stabilizer,
Dispersant, thickener, penetrating agent, pH adjusting agent, defoamer, antifreezing agent, carrier etc. are beneficial to active ingredient and stablize in the formulation
All it is to commonly use or allow the various composition for using, specific composition and consumption root in pesticidal preparations with the known substance for playing drug effect
Determined by testing according to recipe requirements.
The frequency of administration and amount of application of composition pesticide of the present invention changing with crops, insect, weather condition and having in a small amount
Change, can reach the purpose of effective preventing and treating by using appropriate dosage.
Compared with prior art, the advantage of the invention is that：
1st, the prevention effect of composition pesticide of the present invention is significantly improved than single dose, reduces the dosage of agricultural chemicals,
Reduce cost.
2nd, the active ingredient mechanism of action of composition pesticide of the present invention is different, and the application of composition can delay or overcome germ
Drug-fast generation, is conducive to the comprehensive regulation.
Specific embodiment
Composition pesticide of the present invention includes usual auxiliaries and pyraclostrobin and propamidine, pyraclostrobin and propamidine weight
Amount portion rate is 20：1~1：20, the percentage by weight of pyraclostrobin and propamidine weight summation in composition pesticide is
3%~90%.That is the present invention draws preferred formula by repetition test, shows obvious synergistic effect, composition it is anti-
Control effect to be significantly improved than single dose, reduce the dosage of agricultural chemicals, reduce cost.
Present disclosure is described in further detail with reference to embodiment, the content mentioned in embodiment is not to this
The restriction of invention, the selection of the process conditions such as temperature, time can suit measures to local conditions and substantive shadow is had no to result in preparation method
Ring.
Embodiment 1.
Following material is weight percentage：Pyraclostrobin 30%, propamidine 10%, calcium lignosulfonate 4%, 12
Alkyl betaine 5%, AEO 6%, glycerine 5%, Arabic gum 0.1%, balance of deionized water；Will be upper
State formula to be crushed in advance in proportion, add grinding in sand mill, allocate that 40% pyrazoles ether is obtained after high shear mixing
Bacterium ester propamidine suspending agent.
The present embodiment is used to prevent and treat graw mold of tomato.40% pyraclostrobin propamidine suspending agent presses 120g.a.i./ha
Be diluted with water spraying, 7 days after medicine, the preventive effect of 14 days be respectively 94.3%, 85.7%；25% pyraclostrobin suspending agent is pressed
150g.a.i./ha is diluted with water spraying, 7 days after medicine, 14 days preventive effects be respectively 83.6%, 72.2%；2% propamidine aqua is pressed
250g.a.i./ha is diluted with water spraying, 7 days after medicine, 14 days preventive effects be respectively 82.5%, 71.4%.Pyraclostrobin and propane
Substantially, the preventive effect to graw mold of tomato is significantly better than single dose, the consumption of active ingredient in compound drug for synergistic effect after amidine compounding
Significantly reduced during than being used alone, total active ingredient is also relative to be reduced, so as to alleviate carrying capacity of environment, reduce use cost.
The present embodiment is used to prevent and treat wheat scab.40% pyraclostrobin propamidine suspending agent presses 100g.a.i./ha
Be diluted with water spraying, 7 days after medicine, the preventive effect of 14 days be respectively 92.5%, 85.6%；25% pyraclostrobin suspending agent is pressed
120g.a.i./ha is diluted with water spraying, 7 days after medicine, 14 days preventive effects be respectively 83.2%, 71.8%；2% propamidine aqua is pressed
200g.a.i./ha is diluted with water spraying, 7 days after medicine, 14 days preventive effects be respectively 81.8%, 72.9%.Pyraclostrobin and propane
Substantially, the preventive effect to wheat scab is significantly better than single dose, the consumption of active ingredient in compound drug for synergistic effect after amidine compounding
Significantly reduced during than being used alone, total active ingredient is also relative to be reduced, so as to alleviate carrying capacity of environment, reduce use cost.
Embodiment 2.
Following material is weight percentage：Pyraclostrobin 20%, propamidine 10%, sodium lignin sulfonate 5%, benzene second
Phenol APEO 5%, methyl oleate 20%, organobentonite 10%, dodecyl sodium sulfonate calcium salt 8%, balance of turpentine
Oil；Above-mentioned formula is crushed in advance in proportion, grinding in sand mill is added, is allocated being obtained 30% after high shear mixing
Pyraclostrobin propamidine dispersibles oil-suspending agent.
The present embodiment is used to prevent and treat barley scab.30% pyraclostrobin propamidine dispersible oil-suspending agent by
100g.a.i./ha is diluted with water spraying, 7 days after medicine, the preventive effect of 14 days be respectively 91.5%, 82.6%；25% pyraclostrobin
Suspending agent is diluted with water spraying by 150g.a.i./ha, 7 days after medicine, the preventive effect of 14 days be respectively 82.8%, 71.0%；2% the third
Alkane amidine aqua is diluted with water spraying by 200g.a.i./ha, 7 days after medicine, 14 days preventive effects be respectively 82.6%, 67.8%.Pyrazoles ether
Substantially, the preventive effect to barley scab is significantly better than single dose, in compound drug effectively for synergistic effect after bacterium ester and propamidine compounding
The amount ratio of composition is significantly reduced when being used alone, and total active ingredient is also relative to be reduced, so as to alleviate carrying capacity of environment, reduce
Use cost.Embodiment 3.
Following material is weight percentage：Pyraclostrobin 50%, propamidine 10%, calcium lignosulfonate 5%, poly- carboxylic
Hydrochlorate 6%, glucose 5%, naphthalene sulfonate 4%, balance of kaolin.By above-mentioned formula dry pulverization process, granulation, dry in proportion
Dry, screening preparation obtains final product 60% pyraclostrobin propamidine water dispersible granules.
The present embodiment is used to prevent and treat celery gray mold.60% pyraclostrobin propamidine water dispersible granules are pressed
100g.a.i./ha is diluted with water spraying, 7 days after medicine, the preventive effect of 14 days be respectively 92.7%, 83.9%；25% pyraclostrobin
Suspending agent is diluted with water spraying by 150g.a.i./ha, 7 days after medicine, 14 days preventive effects be respectively 83.2%, 72.5%；2% propane
Amidine aqua is diluted with water spraying by 200g.a.i./ha, 7 days after medicine, 14 days preventive effects be respectively 83.1%, 71.8%%.Pyrazoles ether
Substantially, the preventive effect to celery gray mold is significantly better than single dose, in compound drug effectively for synergistic effect after bacterium ester and propamidine compounding
The amount ratio of composition is significantly reduced when being used alone, and total active ingredient is also relative to be reduced, so as to alleviate carrying capacity of environment, reduce
Use cost.Embodiment 4.
Following material is weight percentage：Pyraclostrobin 40%, propamidine 10%, calcium lignosulfonate 5%, 12
Sodium alkyl sulfate 4%, fat alcohol polyethylene ether 5%, white carbon 5%, balance of kaolin.By the coarse crushing in proportion of above-mentioned formula
Enter in blender afterwards and be well mixed, then 50% pyraclostrobin propamidine wettable powder is obtained after air-flow crushing.
The present embodiment is used to prevent and treat grey mould fruit rot of strawberry.50% pyraclostrobin propamidine wettable powder is pressed
120g.a.i./ha is diluted with water spraying, 7 days after medicine, the preventive effect of 14 days be respectively 91.7%, 83.3%；25% pyraclostrobin
Suspending agent by 7 days after 150g.a.i./ha medicines, 14 days preventive effects be respectively 81.1%, 70.3%；2% propamidine aqua is pressed
200g.a.i./ha is diluted with water spraying, 7 days after medicine, 14 days preventive effects be respectively 81.6%, 71.2%.Pyraclostrobin and propane
Substantially, the preventive effect to grey mould fruit rot of strawberry is significantly better than single dose, the consumption of active ingredient in compound drug for synergistic effect after amidine compounding
Significantly reduced during than being used alone, total active ingredient is also relative to be reduced, so as to alleviate carrying capacity of environment, reduce use cost.
Embodiment 5.
To further appreciate that the synergy type of pyraclostrobin and propamidine mixture, the present inventor is to pyraclostrobin
Substantial amounts of Toxicity Determination is carried out with propamidine mixture to test.
According to the abundant methods of Sun Yun, it is association that the synergy of pharmacy mix, i.e. CTC≤80 are evaluated according to co-toxicity coefficient (CTC)
Same antagonism, 80 ＜ CTC ＜ 120 are joint action of antagonism, and CTC >=120 are synergistic function.
Actual measurement toxicity index (ATI)=(EC50 of the EC50/ reagent agents of standard agent) × 100；
The virulence of the percentage composition+B medicaments of A medicaments refers in the toxicity index × mixture of theoretical toxicity index TTI=A medicaments
The percentage composition of B medicaments in number × mixture；
Co-toxicity coefficient (CTC)=[mixture surveys toxicity index (ATI)/mixture theoretical toxicity index (TTI)] × 100.
(1) Toxicity Determination to Botrytis cinerea (Botrytis cinerea) is tested.
Subjects pick up from the graw mold of tomato pathogen Botrytis cinerea (Botrytis cinerea) in field, method reference
《People's Republic of China (PRC) agricultural industry criteria NY/T1156.6-2006》, mycelial growth rate method.
The Toxicity Determination result of table 1, pyraclostrobin propamidine to Botrytis cinerea (Botrytis cinerea).
As shown in Table 1, pyraclostrobin and propamidine mixture are 20:1~1:Between 20, to Botrytis cinerea (Botrytis
Cinerea) there is obvious synergistic effect, co-toxicity coefficient is more than 150.
(2) to the Toxicity Determination of Gibberella zeae bacterium (Gibberella zeae).
Subjects are to pick up from wheat scab pathogen Gibberella zeae bacterium (Gibberella zeae) in field, side
Method reference《People's Republic of China (PRC) agricultural industry criteria NY/T1156.6-2006》Growth rate method.
The Toxicity Determination knot of table 2, pyraclostrobin propamidine to Gibberella zeae bacterium (Gibberella zeae)
Really.
As shown in Table 2, pyraclostrobin and propamidine mixture are 20:1~1:Between 20, to Gibberella zeae bacterium
(Gibberella zeae) has obvious synergistic effect, and co-toxicity coefficient is more than 150.
In sum, the prevention effect of composition pesticide of the present invention is significantly improved than single dose, reduces making for agricultural chemicals
With dosage and cost of manufacture.Therefore pyraclostrobin has reasonability and feasibility with propamidine mixture.
Claims (3)
1. a kind of composition pesticide containing pyraclostrobin and propamidine, it is characterised in that：Active ingredient is pyraclostrobin
And propamidine, pyraclostrobin and propamidine ratio of weight and number are 20：1~1：20, pyraclostrobin and propamidine weight summation
Percentage by weight in composition pesticide is 3%~90%.
2. composition pesticide according to claim 1, it is characterised in that：Also contain pesticidal preparations in the composition pesticide
Auxiliary element, to be made the formulation for being adapted to agriculturally use.
3. the composition pesticide described in claim 1 is applied in preventing and treating is by the fungus-caused crop disease of pathogen, the work
Thing disease is gray mold, head blight.
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| CN201410458376.7A CN104285989B (en) | 2014-09-10 | 2014-09-10 | A kind of composition pesticide containing pyraclostrobin and propamidine |
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| CN104285989B true CN104285989B (en) | 2017-06-23 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104686515A (en) * | 2015-03-11 | 2015-06-10 | 京博农化科技股份有限公司 | Trifloxystrobin and propamidine containing bactericidal composition |
| CN106719723A (en) * | 2016-11-25 | 2017-05-31 | 江西正邦生物化工有限责任公司 | A kind of composition pesticide containing propamidine and tetramycin |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613847A (en) * | 2004-09-13 | 2005-05-11 | 西北农林科技大学无公害农药研究服务中心 | Aromatic diamidine compound with bactericidal activity and application thereof |
| WO2010149369A1 (en) * | 2009-06-24 | 2010-12-29 | Bayer Cropscience Ag | Combinations of fungicidally active yeast and fungicides |
| CN103518726A (en) * | 2013-10-12 | 2014-01-22 | 京博农化科技股份有限公司 | Sterilizing composition containing boscalid and propamidine |
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2014
- 2014-09-10 CN CN201410458376.7A patent/CN104285989B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1613847A (en) * | 2004-09-13 | 2005-05-11 | 西北农林科技大学无公害农药研究服务中心 | Aromatic diamidine compound with bactericidal activity and application thereof |
| WO2010149369A1 (en) * | 2009-06-24 | 2010-12-29 | Bayer Cropscience Ag | Combinations of fungicidally active yeast and fungicides |
| CN103518726A (en) * | 2013-10-12 | 2014-01-22 | 京博农化科技股份有限公司 | Sterilizing composition containing boscalid and propamidine |
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