CN101690482A - Pesticide sterilizing composite containing niacinamide and pyrimethanil - Google Patents
Pesticide sterilizing composite containing niacinamide and pyrimethanil Download PDFInfo
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- CN101690482A CN101690482A CN200910023669A CN200910023669A CN101690482A CN 101690482 A CN101690482 A CN 101690482A CN 200910023669 A CN200910023669 A CN 200910023669A CN 200910023669 A CN200910023669 A CN 200910023669A CN 101690482 A CN101690482 A CN 101690482A
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- vitamin
- mould amine
- phonetic mould
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- pyrimethanil
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Abstract
The invention relates to a pesticide sterilizing composite with niacinamide and pyrimethanil as the effective components. The weight proportion of the effective components niacinamide and pyrimethanil is 20:1-1:20, and the preferable weight ratio thereof is 5:1-1:5; the total content of effective components in the preparation is 5-84%; and the balance is assistant components allowable and acceptable in pesticide, such as solvent, assistant solvent, dispersant, emulsifier, wetting agent, stabilizing agent, antifreeze agent, thickening agent, defoaming agent, filler and other known substances benefiting stability and efficacy exertion of the effective components in the preparation. The medical efficacy is obviously enhanced, and the resistance of single medicine is mitigated.
Description
Technical field
This invention relates to a kind of composition pesticide, specifically, is the composition pesticide that is active ingredient with vitamin PP and phonetic mould amine.
Technical background
In agricultural production, prevent and treat one of insoluble problem of disease, be the problem that disease develops immunity to drugs.Graw mold of tomato is the important disease of tomato, and this disease infects a plurality of positions of tomato, causes that blade is withered, stem rots, fallen flowers and decayed fruit, and production loss reaches 30%～40%.Serious caused total crop failure has become the restrictive barriers on the tomato production.
Gray mold of cucumber is one of main disease of cucumber.In recent years, along with the booth vegetable enlarged areas, and the increase of continuous cropping cucumber canopy, the gray mold of cucumber morbidity comes serious day by day.Particularly under the situation of winter brooder low temperature and high relative humidity, ventilation condition difference, in case morbidity, untimely control will cause heavy losses, and general underproduction 2-3 becomes, and what have have to uproot plants after their edible portions have been harvested in advance, and the full canopy that has is wilted.
Medicament such as procymidone, thiophanate-methyl has used for many years, and pesticide resistance obviously strengthens.Prevent and treat gray mold with it, even dosage uses, effect is also undesirable.Particularly after gray mold is broken out, must use the medicament of new component instead and prevent and treat.
Go up the disease that produces resistance for control agricultural, a kind of way is to release the new component that new and existing kind do not have cross resistance.But, the exploitation of new active ingredient, cost height, construction cycle are long, and all produce the speed of resistance forever less than disease.Other method is rotated etc. as crop allocation adjustment, different agricultural chemicals, facts have proved, all is difficult to receive obvious effects.
Summary of the invention:
The objective of the invention is to, overcome cucumber grey mold and tomato gray mould resistance, a kind of the have vitamin PP of notable synergistic effect, the complex composition of phonetic mould amine are provided existing agricultural chemicals.
The present invention is that the effective ingredient of selecting for use that realizes like this is vitamin PP and phonetic mould amine, and the weight portion proportioning of the two is 20: 1～1: 20, and preferred weight ratio is 5: 1～1: 5, and the total content of active ingredient is 5%-84% in the preparation.All the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Bactericidal composition of the present invention can be prepared into traditional method and be fit to any one formulation that agricultural is used, and reasonable formulation is water dispersible granules, suspending agent, wetting powder.
The auxiliary agent that uses in the composition of the present invention comprises that solvent, cosolvent, dispersant, emulsifier, wetting agent, stabilizing agent, antifreezing agent, thickener, defoamer, filler etc. reach other and be of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation---all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited, concrete composition and consumption require to determine by test according to prescription.The composition that contains auxiliary agent in each composition is more than three kinds or three kinds.
Compared with prior art, beneficial effect of the present invention is: 1, being mixed has obvious synergistic effect, has improved control efficiency; 2, two kinds of active ingredients are mixed, and have reduced dosage, thereby have reduced cost and the pollution that has alleviated environment; 3, two kinds of active ingredient mechanisms of action in the composition are different, are mixed can overcome disease to pesticide resistance that has medicament now and the generation that delays the further resistance of disease.
Vitamin PP: english common name Boscalid, a kind of new type bactericide that is used to prevent and treat the fruit and vegetable gray mold, it is a kind of sulfenyl phenyl amines product, have the unique respiratory mechanism of blocking-up pathogen and the bactericidal activity of wide spectrum, and and bactericide such as the rare esters of gallic acid of methoxy propyl do not have cross resistance.With traditional benzamide is that medicament is compared, and this product all is significantly increased to the bactericidal range of Ascomycetes, Basidiomycetes.Medicament sprays behind blade, part can be absorbed by blade, travel to blade back through mesophyll tissue, the part medicament can travel to blade tip along with the direction of current in the leaf, thereby suppress the effect of reductase in the electron transport chain on the disease fungus plastochondria inner membrance, make that disease fungus can't be via the respiration produce power, and then germ can not be grown.Vitamin PP can safely, promptly be prevented and treated the gray mold that occurs on multiple melon and fruit and the vegetables, and duration of efficacy is longer, is difficult for producing resistance.
Phonetic mould amine: english common name pyrimethanil is to recommend one of pesticide species that is used for non-polluted farm product production.It is a kind of novel anilino-pyrimidine low toxicity bactericide.Its mechanism of action uniqueness stops infecting of germ and kill pathogens by the generation that suppresses the germ enzyme.Because its mechanism of action is different with other bactericide, therefore, phonetic mould amine is especially effective especially to the ash arrhizus bacteria that non-anilino-pyrimidine series bactericidal agent commonly used has developed immunity to drugs.Inhale conduction and fumigation action in phonetic mould amine has simultaneously, be sent to the positions such as flower, young fruit of plant after the dispenser rapidly, drug effect is faster, more stable.Phonetic mould amine drug effect performance is used under relatively low temperature temperature-insensitive, and protection and result of treatment are good equally.Phonetic mould amine can be used to prevent and treat melon and gray molds vegetables.Because for many years use of phonetic mould amine on vegetables, disease has produced certain resistance to it.
The present invention adopts vitamin PP and phonetic mould amine to carry out the method for compound synergic, has obviously increased drug effect, slows down the resistance of simple substance medicine.
Embodiment is below by three embodiment, and the present invention will be further described
Embodiment 1: the water dispersible granules that contains the phonetic mould amine of 50% vitamin PP
Vitamin PP 25%
Phonetic mould amine 25%
Sodium lignin sulfonate 5%
JFC?????????????1％
NNO?????????????2％
Ammonium sulfate 5%
Kaolin complements to 100%.
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material, obtain 50% vitamin PP pyrimethanil water dispersible granule after the drying screening through comminution by gas stream.
This embodiment is used to prevent and treat gray mold of cucumber.By 1500 extraordinarily water dilution sprayings, 7 days control efficiency is 96.9% behind the medicine with the phonetic mould amine water-dispersible granules of 50% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 81.5% and 84.4% behind the medicine.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, and significantly better than single agent, and the consumption of active ingredient reduces to the preventive effect of gray mold of cucumber.
Embodiment 2: the suspending agent that contains the phonetic mould amine of 45% vitamin PP
Vitamin PP 40%
Phonetic mould amine 5%
Calcium lignosulfonate 3%
JFC?????????????1％
1004 wetting agents 2%
602 emulsifier 2%
Xanthans 0.1%
Water complements to 100%.
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, after grinding and/or high speed shear, obtain the phonetic mould amine suspending agent of 45% vitamin PP.
This embodiment is used to prevent and treat gray mold of cucumber.By 1200 extraordinarily water dilution sprayings, 7 days control efficiency is 92.9% behind the medicine with the phonetic mould amine suspending agent of 45% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 84.7% and 88.9% behind the medicine.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of gray mold of cucumber significantly better than single agent.
Embodiment 3: the wetting powder that contains the phonetic mould amine of 84% vitamin PP
Vitamin PP 4%
Phonetic mould amine 80%
Calcium lignosulfonate 4%
Alkylphenol polyoxyethylene 4%
Lauryl sodium sulfate 5%
Kaolin complements to 100%
Active component, dispersant, wetting agent and the filler ratio in prescription is added in the blender successively, mix after comminution by gas stream to particle diameter 20 μ m, promptly obtains the phonetic mould amine wetting powder of 84% vitamin PP
This embodiment is used to prevent and treat gray mold of cucumber.By 2500 extraordinarily water dilution sprayings, 7 days control efficiency is 91.7% behind the medicine with the phonetic mould amine wetting powder of 84% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 78.3% and 81.5% behind the medicine.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of gray mold of cucumber significantly better than single agent.
Embodiment 4: the suspending agent that contains the phonetic mould amine of 30% vitamin PP
Vitamin PP 25%
Phonetic mould amine 5%
Lignosulfonates 3%
Alkylphenol polyoxyethylene sulphate 5%
Dodecyl benzene sulfonate 4%
Xanthans 0.1%
Water complements to 100%.
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, after grinding and/or high speed shear, obtain the phonetic mould amine of 30% vitamin PP.
This embodiment is used to prevent and treat graw mold of tomato.By 1000 extraordinarily water dilution sprayings, 7 days control efficiency is 94.6% behind the medicine with the phonetic mould amine suspending agent of 30% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 85.6% and 87.3% after the medication.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of tomato gray mould significantly better than single agent.
The wetting powder (weight ratio) of the phonetic mould amine of embodiment 5:42% vitamin PP
Vitamin PP 40%
Phonetic mould amine 2%
Dodecyl sodium sulfate 6%
Condensation compound of methyl naphthalene sulfonic acid and formaldehyde sulphate 9%
White carbon complements to 100%
Active component, dispersant, wetting agent and the filler ratio in prescription is added in the blender successively, mix after comminution by gas stream to particle diameter 20 μ m, promptly obtains the phonetic mould amine wetting powder of 42% vitamin PP
This embodiment is used to prevent and treat graw mold of tomato.The phonetic mould amine suspending agent of 42% vitamin PP is pressed 1200 extraordinarily water dilution sprayings, 7 days control efficiency is 90.5% behind the medicine, 50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 84.2% and 85.9% after the medication.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of tomato gray mould significantly better than single agent.
Embodiment 6: contain the phonetic mould amine wetting powder of 5% vitamin PP (weight ratio)
Vitamin PP 2%
Phonetic mould amine 3%
Lauryl sodium sulfate 7%
Calcium lignosulfonate 8%
Kaolin complements to 100%
Active component, dispersant, wetting agent and the filler ratio in prescription is added in the blender successively, mix after comminution by gas stream to particle diameter 20 μ m, promptly obtains the phonetic mould amine wetting powder of 5% vitamin PP
This embodiment is used to prevent and treat graw mold of tomato.By 1 00 extraordinarily water dilution sprayings, 7 days control efficiency is 89.8% behind the medicine with the phonetic mould amine wetting powder of 5% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 84.2% and 85.9% after the medication.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of tomato gray mould significantly better than single agent.
Embodiment 7: the suspending agent that contains the phonetic mould amine of 60% vitamin PP
Vitamin PP 10%
Phonetic mould amine 50%
Lauryl sodium sulfate 5%
Nonylphenol polyethylene oxide ether 2%
NNO???????????????2％
Xanthans 0.1%
Water complements to 100%.
The ratio of each component such as active component, dispersant, wetting agent and water in prescription mixed, after grinding and/or high speed shear, obtain the phonetic mould amine suspending agent of 60% vitamin PP.
This embodiment is used to prevent and treat graw mold of tomato.By 1500 extraordinarily water dilution sprayings, 7 days control efficiency is 94.3% behind the medicine with the phonetic mould amine suspending agent of 60% vitamin PP.50% vitamin PP water dispersible granules and 1500 times of uses of 40% phonetic mould amine suspending agent dilution, 7 days preventive effect is respectively 80.5% and 83.7% after the medication.Synergistic effect is obvious behind vitamin PP and the Pyrimethanil compositional, to the preventive effect of tomato gray mould significantly better than single agent; Because pharmacy control efficacy improves, the amount ratio of compound drug active ingredient uses obviously separately and reduces, thereby has also alleviated the pollution to environment.
The present invention has carried out following test: the cucumber grey mold of employing and tomato gray mould are tested object, and concrete grammar is:
1) cucumber grey mold:
Pot-culture method is adopted in test, measures the control efficiency of vitamin PP, phonetic mould amine and 1 pair of cucumber grey mold of example, and cucumber seeds is sowed in flowerpot after urging tooth, begins test when waiting to grow 3～5 true leaves, and each is handled and selects for use 5 basins for examination cucumber young plant respectively.Be mixed with 5 variable concentrations gradients for reagent liquid, and to spray clear water be blank, each handles triplicate.For the examination spore suspension cucumber being carried out spray inoculation with ready, is criterion with the firm flowing water of leaf, sprays behind the 24h for reagent liquid.Cucumber after the processing is cultivated under the condition of 25 ± 1 ℃, saturated humidity and illumination/dark=12h/24h, 7d " Invest, Then Investigate " result, the grade scale of giving birth in " the pesticide field efficacy medicine test criterion one " of testing establishment by The Institute for the Control of Agrochemicals of the Ministry of Agriculture,PRC carries out classification, and the investigation disease index calculates the control effect.Calculate concentration EC in the inhibition with method of least squares then
50, calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun again.
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
Table 1 different disposal is to botrytis cinerea pers Toxicity Determination result
| Handle | ??EC 50??(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Vitamin PP | ??8.75 | ??100.00 | ||
| Phonetic mould amine | ??5.43 | ??161.14 | ||
| Vitamin PP, phonetic mould amine 20: 1 | ??6.58 | ??132.98 | ??102.91 | ????129.22 |
| Vitamin PP, phonetic mould amine 10: 1 | ??5.76 | ??151.91 | ??105.56 | ????143.91 |
| Vitamin PP, phonetic mould amine 5: 1 | ??4.16 | ??210.34 | ??110.19 | ????190.89 |
| Vitamin PP, phonetic mould amine 1: 1 | ??3.31 | ??264.35 | ??130.57 | ????202.46 |
| Vitamin PP, phonetic mould amine 1: 5 | ??3.67 | ??238.42 | ??150.95 | ????157.95 |
| Vitamin PP, phonetic mould amine 1: 10 | ??4.06 | ??215.52 | ??155.58 | ????138.53 |
| Vitamin PP, phonetic mould amine 1: 20 | ??4.36 | ??200.69 | ??158.22 | ????126.84 |
Measurement result shows that vitamin PP and phonetic mould amine have obvious synergistic effect between proportioning 20: 1～1: 20, and especially between 5: 1～1: 5, synergistic effect is more obvious, and co-toxicity coefficient is at (table 1) more than 150
2) tomato gray mould
Mycelia bacteriostasis rate assay method is adopted in test, measures the control efficiency of vitamin PP, phonetic mould amine and 2 pairs of graw mold of tomato of example.The medicine of different disposal is made into 5 variable concentrations gradients with sterile water, drawing 1ml soup (is contrast with the clear water) with suction pipe on aseptic workbench joins in the 8cm culture dish, again with the PDA medium after the syringe adding 9ml fusing, make soup and medium mixing, be cooled to room temperature, the botrytis cinerea piece of inoculation diameter 8mm in culture dish is cultivated 5～7d in 25 ℃ of incubators then, after treating that culture dish is covered with in contrast, measure colony diameter with slide measure right-angled intersection method.Triplicate is averaged, and calculates the mycelia bacteriostasis rate of medicament, and mycelia bacteriostasis rate %=(contrast colony diameter one is handled colony diameter) ÷ contrasts colony diameter * 100.Calculate concentration EC in the inhibition with method of least squares then
50, calculate co-toxicity coefficient (CTC) according to the abundant method of Sun Yun again.
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC 〉=120, then the composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC50/ reagent agent EC50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
Table 2 different disposal is to botrytis cinerea Toxicity Determination result
| Handle | ??EC 50??(μg/mL) | ??ATI | ??TTI | Co-toxicity coefficient CTC |
| Vitamin PP | ??5.53 | ??100.0 | ||
| Phonetic mould amine | ??2.05 | ??269.76 | ||
| Vitamin PP, phonetic mould amine 20: 1 | ??3.72 | ??148.66 | ??108.08 | ????137.55 |
| Vitamin PP, phonetic mould amine 10: 1 | ??2.31 | ??239.39 | ??112.67 | ????198.60 |
| Vitamin PP, phonetic mould amine 5: 1 | ??1.69 | ??327.22 | ??128.29 | ????255.06 |
| Vitamin PP, phonetic mould amine 1: 1 | ??1.02 | ??542.16 | ??184.88 | ????293.25 |
| Vitamin PP, phonetic mould amine 1: 5 | ??1.13 | ??489.38 | ??241.47 | ????202.67 |
| Vitamin PP, phonetic mould amine 1: 10 | ??1.25 | ??123.44 | ??254.33 | ????181.09 |
| Vitamin PP, phonetic mould amine 1: 20 | ??1.55 | ??356.77 | ??261.68 | ????136.34 |
Measurement result shows that vitamin PP and phonetic mould amine have obvious synergistic effect between proportioning 20: 1～1: 20, and especially between 5: 1～1: 5, synergistic effect is more obvious, and co-toxicity coefficient is at (table 2) more than 200.
Claims (3)
1. agriculture chemicals fungicide composition that contains vitamin PP and phonetic mould amine is characterized in that comprising:
A) the first active component vitamin PP;
B) the phonetic mould amine of second active component;
And acceptable assistant or carrier on the agricultural chemicals, wherein first active component and second active component are 20: 1～1: 20 in the weight ratio of composition, the total content of active ingredient is 5%-84%.
2. microbicide compositions according to claim 1 is characterized in that the preferred weight ratio of the first active component vitamin PP and the phonetic mould amine of second active component is 5: 1～1: 5.
3. according to the described microbicide compositions of claim 1 ~ 2, it is characterized in that: composition is wetting powder, suspending agent or water dispersible granules.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910023669A CN101690482A (en) | 2009-08-24 | 2009-08-24 | Pesticide sterilizing composite containing niacinamide and pyrimethanil |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910023669A CN101690482A (en) | 2009-08-24 | 2009-08-24 | Pesticide sterilizing composite containing niacinamide and pyrimethanil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106465716A (en) * | 2016-08-28 | 2017-03-01 | 陕西西大华特科技实业有限公司 | A kind of bactericidal composition containing Boscalid and pyrimethanil and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304658A (en) * | 2005-11-10 | 2008-11-12 | 巴斯夫欧洲公司 | Fungicidal mixtures comprising boscalid and pyrimethanil |
| CN101473826A (en) * | 2008-12-18 | 2009-07-08 | 孙家隆 | Bactericide agent composition containing boscalid and cyprodinil |
| CN101473831A (en) * | 2008-12-18 | 2009-07-08 | 孙家隆 | Bactericide agent composition containing fluoxastrobin and boscalid |
-
2009
- 2009-08-24 CN CN200910023669A patent/CN101690482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304658A (en) * | 2005-11-10 | 2008-11-12 | 巴斯夫欧洲公司 | Fungicidal mixtures comprising boscalid and pyrimethanil |
| CN101473826A (en) * | 2008-12-18 | 2009-07-08 | 孙家隆 | Bactericide agent composition containing boscalid and cyprodinil |
| CN101473831A (en) * | 2008-12-18 | 2009-07-08 | 孙家隆 | Bactericide agent composition containing fluoxastrobin and boscalid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106465716A (en) * | 2016-08-28 | 2017-03-01 | 陕西西大华特科技实业有限公司 | A kind of bactericidal composition containing Boscalid and pyrimethanil and application thereof |
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Application publication date: 20100407 |