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CN106719692A - A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil - Google Patents

A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil Download PDF

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Publication number
CN106719692A
CN106719692A CN201611234641.9A CN201611234641A CN106719692A CN 106719692 A CN106719692 A CN 106719692A CN 201611234641 A CN201611234641 A CN 201611234641A CN 106719692 A CN106719692 A CN 106719692A
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CN
China
Prior art keywords
fludioxonil
agent
coating agent
suspension seed
paddy rice
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611234641.9A
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Chinese (zh)
Inventor
刘继平
江帆
霍保民
王红梅
宋语娇
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Lianbao Crop Technology Co Ltd
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Lianbao Crop Technology Co Ltd
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Priority to CN201611234641.9A priority Critical patent/CN106719692A/en
Publication of CN106719692A publication Critical patent/CN106719692A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • A01N25/04Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/36Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Toxicology (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

The present invention provides the paddy rice suspension seed-coating agent of a kind of ipconazole-containinpesticide and fludioxonil, by weight percentage, is made up of following active component:Fludioxonil 0.5%~10% and kind bacterium azoles 5.0%~40%.Suspension seed-coating agent of the present invention is directed to bakanae disease of rice and damping-off, compounded as active ingredient using kind bacterium azoles and fludioxonil, the two has complementary advantages, prevention effect to bakanae disease of rice and damping-off is excellent, percentage of seedgermination and percentage establishment of seedling can be significantly improved, improve seedling quality and disease-resistant strong seedling ability, increase crop field yield, reduce the usage amount of agricultural chemicals and use species, number of times, avoid developing immunity to drugs, the pollution to environment and the harm to people and animals are reduced simultaneously, can be widely applied for Rice Cropping field.

Description

A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil
Technical field
The invention belongs to technical field of pesticide, and in particular to the paddy rice suspension seed-coating agent of a kind of ipconazole-containinpesticide and fludioxonil.
Background technology
Current bakanae disease of rice and the difficult point that damping-off is rice disease preventing and treating.Bakanae disease of rice is seed-borne disease, also known as Excessive growth disease, Chinese each rice region has generation.Sick grain does not often germinate or can not be unearthed after broadcasting.Seedling stage morbidity sick seedling is thinner than strong seedling Height, blade leaf sheath is elongated, and leaf color is yellowish, and root system development is bad, and part sick seedling is dead before transplanting.Heading stage grain can also be received Evil, serious browning, it is impossible to solid.What, there is presently no good medicament in preventing and treating, mainly prevented in advance by seed dressing. Rice seedling blight is one of topmost disease of paddy drought seedling, and the main cause of its morbidity is too low temperature, excessive temperature differentials, soil Earth meta-alkali, illumination deficiency rice shoot is thin and delicate, kind amount is excessive etc. factor, field symptom are mainly shown as after emerging that rice shoot is withered, easily Pull off, basal part of stem rots, there is rotten pears taste, heavier full wafer of falling ill is dead, and how long diseased plant base portion has redness of the skin or complexion mustiness thing.
At present, the preventing and treating of bakanae disease of rice and damping-off generally using Medicament soaked seed and is aided with bed soil sterilization and seedling stage spray Deng measure, this prevention and controls are on the one hand cumbersome, and labour intensity is big, and another aspect prevention effect is poor, and reason has two aspects: (1)Existing paddy rice is easily come off with suspension seed-coating agent in immersion process Chinese medicinal film, and medicament is lost in and farmland can be polluted, Rice seed germination is influenceed on the contrary;(2)Some active ingredients are single with suspension seed-coating agent for existing paddy rice, for bakanae disease of rice Prevention effect with damping-off is limited, and some active ingredients are complicated, have cross resistance with existing bactericide.Therefore, research is opened The seed coat agent for preventing and treating bakanae disease of rice and damping-off for sending out new, to promoting Rice Production to have great importance.
The content of the invention
The present invention is directed to problems of the prior art, there is provided a kind of suspension kind of the paddy rice of ipconazole-containinpesticide and fludioxonil Clothing agent.
The present invention is adopted the following technical scheme that:
A kind of ipconazole-containinpesticide and the paddy rice suspension seed-coating agent of fludioxonil, by weight percentage, are made up of following active component: Fludioxonil 0.5%~10% and kind bacterium azoles 5.0%~40%.
Further, by weight percentage, it is made up of following active component:Fludioxonil 3%~6% and kind bacterium azoles 15%~30%.
Further, paddy rice suspension seed-coating agent also includes auxiliary agent and water.
Further, the auxiliary agent includes wetting agent, dispersant, film forming agent, colouring agent, tackifier, antifreezing agent, preservative With it is various in defoamer.
Further, percentage by weight of each component in auxiliary agent in the paddy rice suspension seed-coating agent is as follows:
Wetting agent 1.0%~3.0%, dispersant 1.0%~5.0%, film forming agent 0.5%~10%, colouring agent 1.0%~10%, increasing Glutinous agent 0.1%~2.0%, antifreezing agent 1.0%~5.0%, preservative 0.1%~1.0%, defoamer 0.1%~1.0%.
Suitable wetting agent is selected from lauryl sodium sulfate, dodecyl sodium sulfate, Negel, poly alkyl alcohol second Ether sulfates, fat alcohol polyethylene ether, NPE, sorbitan fatty acid ester APEO, alkane The mixture of base naphthaldehyde condensation compound or alkylnaphthalene sulfonate and anionic wetting agent.
Suitable dispersant is selected from NNO(Sodium methylene bis-naphthalene sulfonate), sodium lignin sulfonate, calcium lignosulfonate, poly- third Olefin(e) acid sodium, alkyl amine group taurate, sodium methylene bis-naphthalene sulfonate formaldehyde condensation products, polyoxyethylene polyoxypropylene block copolymerization Thing, carboxymethylcellulose calcium, sodium tripolyphosphate or alkylnaphthalene sulfonate condensation polymer.
Suitable film forming agent is polyvinylpyrrolidone, Arabic gum, animal glue, pectin, methylcellulose, ethyl fibre Dimension element, sodium carboxymethylcellulose, hydroxypropyl cellulose, polyvinyl alcohol, polyethylene glycol, polyacrylamide or Sodium Polyacrylate.
Suitable tackifier is xanthans, Arabic gum, methylcellulose, carboxymethylcellulose calcium, acrylic acid are received or aluminium-magnesium silicate.
Suitable colouring agent(Warning mill base)It is basic rhodamine, aqueous rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131 or FGR-131.
Suitable antifreezing agent is ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride etc..
Suitable defoamer is the saturated fatty acid and its esters of organosilicon ketone, the fatty alcohol of C8-10 or C10-20.
Suitable preservative is Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate or Kathon CG.
Further, the paddy rice is used to prevent and treat bakanae disease of rice and damping-off with suspension seed-coating agent.
Paddy rice of the present invention is prepared with suspension seed-coating agent using manner known in the art, usually by active ingredient Kind bacterium azoles and fludioxonil by air-flow crushing, after the auxiliary agent such as wetting agent, dispersant, film forming agent, colouring agent and water are completely dissolved, so Fed intake in proportion with active ingredient and other auxiliary agents afterwards, ground 2 times into sand mill, until the grain fineness of suspension reaches To D50It is 2~3 μm, D90<5 μm obtain product.
Kind bacterium azoles fludioxonil suspension seed-coating agent outward appearance prepared by the present invention is red, flowable suspension, low temperature, Heat storage stability is qualified, and heat storage resolution ratio is less than 5%, and suspensibility is more than 90%, and wet screening experiment 98% is by 45 μm of standard screens, particle Fineness D50 is 2~3 μm.
The suspension seed-coating agent can a situation arises determines suitable consumption, usual formulation rate according to the disease on Rice Cropping ground For:Seed coat agent is 1 with the weight ratio of seed:50~100.
In the present invention, kind bacterium azoles are ergosterol biosynthesis inhibitor, have interior suction, protection and therapeutic action concurrently, can be used In cereal, ornamental plant and non-crop field etc., the mechanism of action of fludioxonil is mainly relevant by suppressing glucose phosphorylated Transfer, and suppress the growth of fungal mycelium, germ death is ultimately resulted in, its mechanism of action is unique, with existing bactericide without friendship Mutual resistance, fludioxonil is applied to the crops such as wheat, barley, corn, cotton, soybean, peanut, rape, potato, vegetables, is used for The preventing and treating of the multiple diseases such as anthracnose, brown spot, blight dis-ease.
Kind bacterium azoles are ergosterol biosynthesis inhibitor, have interior suction, protection and therapeutic action concurrently, can be used for cereal, see Reward plant and non-crop field etc., prevent and treat many seed diseases, especially to bakanae disease of rice (Gibberella fujikuroi), Leaf spot (Cochliobolusmiyabeanus) and rice blast (Pyricularia oryzae) etc. have special efficacy.
The transfer mainly relevant by suppressing glucose phosphorylated of the mechanism of action of fludioxonil, and suppress fungal mycelium Growth, ultimately results in that germ is dead, and its mechanism of action is unique, with existing bactericide no interactions resistance, it is adaptable to wheat, barley, The crops such as corn, cotton, soybean, peanut, paddy rice, rape, potato, vegetables.
Meanwhile, suspension seed-coating agent of the present invention is additionally added various auxiliary agents, wherein, wetting agent and dispersant can promote to live Wetting and dispersing between property component particle, prevents its phase inter coagulation;It is high that on the one hand film forming agent is insoluble in water, stability, in seed In germination period, it is ensured that the active component in seed coat agent is wrapped in the outside of seed securely, plays a part of controlling disease, another Aspect film forming agent ventilative water permeability is good, to meet the growth needs of seed sprouting;Tackifier can increase and maintain seed coat agent whole The viscosity of individual suspension system, reduces the sedimentation rate and sinking speed of particles of active components, makes particles of active components in suspension system Medium-term and long-term holding suspended state, improves the stability of seed coat agent formulation, and stable dosage forms are also the important leverage for playing drug effect;Coloring Warning function is played in agent, it is to avoid eat misuse by mistake, safer when using;Antifreezing agent is used to prevent suspension seed-coating agent in storage process Middle frost, makes it remain suspended state, expands use region and the use time of suspension seed-coating agent;Defoamer prevents from hanging Floating seed coat agent bubbles in the blending process for using, and causes to be coated uneven, influence using effect;Preservative is then used to extend outstanding The useful life of floating seed coat agent.
To sum up, suspension seed-coating agent of the present invention is directed to bakanae disease of rice and damping-off, is compounded with kind bacterium azoles and fludioxonil and made It is active ingredient, the two mutual supplement with each other's advantages, the prevention effect to bakanae disease of rice and damping-off is excellent, can significantly improve percentage of seedgermination And percentage establishment of seedling, seedling quality and disease-resistant strong seedling ability are improved, increase crop field yield, reduce the usage amount of agricultural chemicals and use species, secondary Number, it is to avoid develop immunity to drugs, while reducing the pollution to environment and the harm to people and animals, can be widely applied for Rice Cropping field.
Specific embodiment
In order that technical purpose of the invention, technical scheme and beneficial effect are clearer, with reference to specific embodiment Technical scheme is further illustrated.
Embodiment 1:5.5% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 0.5%
Kind bacterium azoles 5.0%
Lauryl sodium sulfate 3.0%
Sodium lignin sulfonate 4.0%
PVA 17-88(Polyvinyl alcohol) 7.0%
Xanthans 0.2%
Dimethicone(Organosilicon ketone defoamer) 0.3%
Sodium Benzoate 0.3%
Ethylene glycol 4.0%
Basic rhodamine 1.0%
Distilled water complements to 100%
Preparation method:Lauryl sodium sulfate, sodium lignin sulfonate are completely dissolved with distilled water, are then sequentially added through air-flow powder Broken kind bacterium azoles and fludioxonil and other auxiliary agents, grind 2 times, into sand mill until the grain fineness of suspension reaches D50It is 2~3 μm, D90<5 μm obtain product.
Embodiment 2:10% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 1.0%
Kind bacterium azoles 9.0%
Methyl naphthalene sulfonic acid sodium 2.0%
Calcium lignosulfonate 4.0%
PVA 17-88 (Polyvinyl alcohol) 7.0%
Dimethicone(Organosilicon ketone defoamer) 0.3%
Aluminium-magnesium silicate 0.3%
Kathon CG 0.2%
FGR -131 2%
Distilled water complements to 100%
Preparation method reference implementation example 1.
Embodiment 3:18% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 3.0%
Kind bacterium azoles 15%
AEO-3 (fat alcohol polyethylene ether) 3.0%
Sodium methylene bis-naphthalene sulfonate 5.0%
Ethylene glycol 5.0%
PVP-K30 (Polyvinylpyrrolidone) 8.0%
Arabic gum 0.5%
Dimethicone(Organosilicon ketone defoamer) 0.4%
Sorbic acid 0.3%
Basic rhodamine 2.0%
Distilled water complements to 100%
Preparation method reference implementation example 1.
Embodiment 4:30% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 6.0%
Kind bacterium azoles 24%
AEO-3 (fat alcohol polyethylene ether) 2.0%
Carboxymethylcellulose calcium 5.0%
Polyvinyl alcohol 6.0%
Arabic gum 0.3%
Dimethicone(Organosilicon ketone defoamer) 0.2%
Sodium Benzoate 0.3%
Basic rhodamine 2.0%
Distilled water complements to 100%
Preparation method reference implementation example 1.
Embodiment 5:35% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 5.0%
Kind bacterium azoles 30%
AEO-3 (fat alcohol polyethylene ether) 3.0%
Sodium Polyacrylate 4.0%
PVP-K30 (Polyvinylpyrrolidone) 7.0%
Xanthans 0.3%
Dimethicone(Organosilicon ketone defoamer) 0.3%
Sorbic acid 0.1%
Basic rhodamine 2.5%
Distilled water adds to 100%
Preparation method reference implementation example 1.
Embodiment 6:50% kind bacterium azoles fludioxonil suspension seed-coating agent
A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil, by weight percentage,
Fludioxonil 10%
Kind bacterium azoles 40%
NPE 3.0%
Sodium tripolyphosphate 4.0%
Hydroxypropyl cellulose 7.0%
Xanthans 0.3%
Dimethicone(Organosilicon ketone defoamer) 0.3%
Potassium Benzoate 0.1%
Aqueous rhodo 2.5%
Distilled water complements to 100%
Preparation method reference implementation example 1.
Application effect is tested
Taking the kind bacterium azoles fludioxonil suspension seed-coating agent prepared by the embodiment of the present invention 5 carries out the anti-of bakanae disease of rice and damping-off Experiment is controlled, is compareed by medicine of 4.8% phenylate fludioxonil suspension seed-coating agent, clear water does blank, and consumption is 80g (a.i.)/100kg seeds, each treatment sets 3 repetitions, as a result takes 3 average values of repetition, counts respectively to rice bakanae disease Disease, the preventive effect of rice seedling blight, statistics are shown in Table 1.
The test process of table 1 and preventive effect
As shown in Table 1, kind bacterium azoles fludioxonil suspension seed-coating agent is coughed up to bakanae disease of rice, rice seedling blight preventive effect with respect to phenylate Bacterium nitrile suspension seed-coating agent preventive effect is greatly enhanced.
It should be noted last that:Above-described embodiment is merely to illustrate the technical scheme being not intended to limit the present invention, any right Equivalent and do not depart from the modification of spirit and scope of the invention or locally replace that the present invention is carried out, it all should cover in this hair Within bright protective scope of the claims.

Claims (6)

1. the paddy rice suspension seed-coating agent of a kind of ipconazole-containinpesticide and fludioxonil, it is characterised in that by weight percentage, by following Active component is constituted:Fludioxonil 0.5%~10% and kind bacterium azoles 5.0%~40%.
2. the paddy rice suspension seed-coating agent of ipconazole-containinpesticide according to claim 1 and fludioxonil, it is characterised in that with weight Percentages, are made up of following active component:Fludioxonil 3%~6% and kind bacterium azoles 15%~30%.
3. the paddy rice suspension seed-coating agent of ipconazole-containinpesticide according to claim 1 and fludioxonil, it is characterised in that the water Rice suspension seed-coating agent also includes auxiliary agent and water.
4. the paddy rice suspension seed-coating agent of ipconazole-containinpesticide according to claim 3 and fludioxonil, it is characterised in that described to help Agent is including various in wetting agent, dispersant, film forming agent, colouring agent, tackifier, antifreezing agent, preservative and defoamer.
5. the paddy rice suspension seed-coating agent of ipconazole-containinpesticide according to claim 4 and fludioxonil, it is characterised in that in auxiliary agent Percentage by weight of each component in the paddy rice suspension seed-coating agent it is as follows:
Wetting agent 1.0%~3.0%, dispersant 1.0%~5.0%, film forming agent 0.5%~10%, colouring agent 1.0%~10%, increasing Glutinous agent 0.1%~2.0%, antifreezing agent 1.0%~5.0%, preservative 0.1%~1.0%, defoamer 0.1%~1.0%.
6. the paddy rice suspension seed-coating agent of the ipconazole-containinpesticide according to any one of claim 1 to 5 and fludioxonil, its feature exists In the paddy rice is used to prevent and treat bakanae disease of rice and damping-off with suspension seed-coating agent.
CN201611234641.9A 2016-12-28 2016-12-28 A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil Pending CN106719692A (en)

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Application Number Priority Date Filing Date Title
CN201611234641.9A CN106719692A (en) 2016-12-28 2016-12-28 A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil

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Application Number Priority Date Filing Date Title
CN201611234641.9A CN106719692A (en) 2016-12-28 2016-12-28 A kind of paddy rice suspension seed-coating agent of ipconazole-containinpesticide and fludioxonil

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113016455A (en) * 2021-03-05 2021-06-25 四川省农业科学院植物保护研究所 Method for preventing and treating rice damping-off
CN113812418A (en) * 2021-04-22 2021-12-21 中土化工(安徽)有限公司 Seed treatment agent containing clothianidin, fludioxonil and ipconazole and application thereof

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Publication number Priority date Publication date Assignee Title
CN1096158A (en) * 1993-04-17 1994-12-14 希巴-盖吉股份公司 Rice seed disinfectant
WO1998057543A1 (en) * 1997-06-16 1998-12-23 Novartis Ag Pesticidal compositions
JP2004189601A (en) * 2002-12-06 2004-07-08 Nippon Soda Co Ltd Method for controlling rice plant seed infectious disease injury
WO2005051081A1 (en) * 2003-11-26 2005-06-09 Syngenta Participations Ag Method for the protection of materials
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CN103300042A (en) * 2012-03-06 2013-09-18 陕西韦尔奇作物保护有限公司 Insecticidal and disease-preventing suspended seed coating agent
US20150094203A1 (en) * 2013-10-01 2015-04-02 Sumitomo Chemical Company, Limited Method of controlling pests
US20150157017A1 (en) * 2013-12-06 2015-06-11 Sumitomo Chemical Company, Limited Method of controlling pests
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113016455A (en) * 2021-03-05 2021-06-25 四川省农业科学院植物保护研究所 Method for preventing and treating rice damping-off
CN113812418A (en) * 2021-04-22 2021-12-21 中土化工(安徽)有限公司 Seed treatment agent containing clothianidin, fludioxonil and ipconazole and application thereof

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Application publication date: 20170531