CN103039513B - Fosthiazate nematicide granules and preparation method thereof - Google Patents
Fosthiazate nematicide granules and preparation method thereof Download PDFInfo
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- CN103039513B CN103039513B CN201210577016.XA CN201210577016A CN103039513B CN 103039513 B CN103039513 B CN 103039513B CN 201210577016 A CN201210577016 A CN 201210577016A CN 103039513 B CN103039513 B CN 103039513B
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Abstract
The invention relates to a fosthiazate nematicide granules and a preparation method thereof. In terms of total weight of the granules, the fosthiazate nematicide granules comprise 0.1-20% of fosthiazate, 30-70% of carrier, 0.5-3% of dispersing auxiliary, 0.1-2% of sustained-release agent, 0.1-5% of adhesive and filler in balancing amount. According to the preparation method of the granules provided by the invention, a coating method is used for granulation. The fosthiazate nematicide granules provided by the invention are mainly applied to preventing and treating nematode diseases caused by plant parasitic nematodes. According to the invention, resources are effectively, scientifically and reasonably utilized; important significance in environmental protection is obtained; and positive promoting effects on reducing agriculture input and increasing both agricultural production and agricultural income are obtained.
Description
Technical field
The present invention relates to a kind of granular pesticide and preparation method thereof, specifically a kind of fosthiazate granular formulation for killing nematode and preparation method thereof.
Background technology
Plant nematode mainly comprises: Meloidogyne (
meloidogyne), kidney shape Turbatrix (
rotylenchulus), cyst roundworm [Heterodera (
heterodera)], root spot nematode (short stop Turbatrix (
pratykenchus)), causing harm of nematode significantly can reduce the absorption of Plant To Nutrient and moisture, and nematode plant of causing harm causes wound, causes phytopathogen to invade.
Fosthiazate, English common name fosthiazate, has and tags and systemic action, can be absorbed by plant roots and upwards conduct.Toxicity is lower, meets export of farm produce standard, is mainly used in preventing and treating nematode, aphid etc., and to root-knot nematode, pratylenchus has special efficacy.
The chemicals of current control nematode have the high-toxic pesticides such as phonamiphos, carbofuran, terbufos, cadusafos, and this type of agricultural chemicals is because of long-term single use, and nematode is comparatively large to its pesticide resistance, and environmental risk is larger.
Granule applied once of the present invention can complete fertilising simultaneously and prevent and treat nematodosis two procedures, avoids dispenser in the past and situation about can not take into account of applying fertilizer, saves time and manually, improve production efficiency.
Summary of the invention
Technical problem to be solved: the present invention is directed to prior art deficiency and provide a kind of fosthiazate and carrier combination of sciences and a kind of granular formulation for killing nematode of developing, give full play to the eelworm-killing activity of fosthiazate, in agricultural production, use fertilizer granules applied once to apply fertilizer and can effectively prevent and treat the nematodosis caused by plant pathogeny line insect, equally fosthiazate being processed into granule and spreading fertilizer over the fields or spread manuer in holes and also can reduce medication and human cost.
Present invention also offers the preparation method of above-mentioned granule.
Technical scheme of the present invention: a kind of fosthiazate granular formulation for killing nematode, with granule total weight, wherein: fosthiazate 0.1% ~ 20%, carrier 30 as one kind % ~ 70%, dispersing aid 0.5% ~ 3%, sustained release agent 0.1% ~ 2%, binding agent 0.1% ~ 5%, all the other are filler.
Described carrier is fertilizer or quartz sand.
Described fertilizer is the mixture of ammonium chloride, ammonium sulfate, urea, potassium chloride, potassium sulfate, MAP, its N element content is 5% ~ 25% of granule gross weight, P element content is 1% ~ 10% of granule gross weight, and K element content is 1% ~ 10% of granule gross weight.
Described carrier fertilizer is also containing monohydrate zinc sulphate and borax, and its Zn-ef ficiency content is 0.5% ~ 2% of granule gross weight, and boron content is 0.5% ~ 2% of granule gross weight.
Described dispersing aid is corn starch or sweet potato starch, and sustained release agent is polyvinyl alcohol or gum Arabic, and binding agent is polyethylene glycol or industrial gelatine, and filler is calcium bicarbonate and white kaolinic mixture.
A kind of preparation method of fosthiazate granular formulation for killing nematode: 0.1% ~ 20% fosthiazate, 30% ~ 70% carrier, 0.5% ~ 3% dispersing aid, 0.1% ~ 2% sustained release agent, 0.1% ~ 5% binding agent and surplus filler are mixed in airtight compounding kettle, the granulation of coating method, under 110 DEG C ~ 120 DEG C conditions, be dried to particle water content be less than 3%, screening, particle size range 2000 μm ~ 4000 μm, through after the assay was approved, namely obtain required granule; Powder sieving thing is back to agitator tank after crushed and again mixes, defective work is back to agitator tank and again mixes after check analysis reason, mixing adopts the method for fractional steps, the raw material that constituent content is lower first mix dispersing aid or filler again with other mixing of materials, to guarantee the uniformity of product content, baking temperature at 110 DEG C ~ 120 DEG C, the change of strict temperature control and fluctuation.
A kind of fosthiazate granular formulation for killing nematode of the present invention is applied to the nematodosis of preventing and treating and being caused by plant pathogeny line insect.
the present invention has following remarkable result.
The present invention is by the combination of sciences of fosthiazate and carrier and a kind of granular formulation for killing nematode developed; current up-to-date slow release method is adopted effectively to ensure the science release of agricultural chemicals, fertilizer; extend the lasting period of product; guarantee sterilization, fertilising double effects; improve drug effect and agricultural chemicals availability; reduce the waste of agricultural chemicals, fertilizer; effectively, science, make rational use of resources; protection of the environment is had great significance, positive impetus is also played to the minimizing countryside tax system of user and the increasing both production and income of agricultural.
Specifically, granule of the present invention has following advantage.
1, fertilizer granules of the present invention directly spreads fertilizer over the fields as base manure, the nematodosis that can effectively prevent plant pathogeny line insect to cause, avoid dispenser after morbidity cannot reach desirable control efficiency, cause the underproduction of crops depreciation, meet again the requirement of base manure, get twice the result with half the effort.
2, the present invention adopts modern mechanical processing technology, and active ingredient is evenly distributed in the product, and preparation method easily operates.Product in use need not mix soil, directly spreads fertilizer over the fields, and medicament can be distributed in field uniformly, is more conducive to absorbing of active ingredient, overcomes the phenomenon that drug effect that artificial pesticide-clay mixture method easily occurs in field, fertilizer efficiency are inconsistent.
3, after applied once, play the double action of killing nematode and fertilising, save dispenser cost.
After fosthiazate fertilizer granules is used, effectively can prevent and treat the nematodosis that plant pathogeny line insect causes, play again the effect of basal dressing simultaneously, save auxiliary agent and packing cost that nematocide and fertilizer are used in independent gradation, save labor cost.At present, the coastal area such as Guangdong, Zhejiang labour is in short supply, and this product effectively can save labor cost for plantation family.
4, fertilizer granules belongs to environmental protection formulation, and the release of granule can reduce the usage amount of wetting powder, and the regular dosage form such as use cost and wetting powder is suitable.
5, the field that the common granule not containing fertilizer of the present invention can meet not needs fertilising or needs soil disinfection fertilising carries out spreading fertilizer over the fields or spreading manuer in holes, and saves labor cost.
Compare the common formulations such as wetting powder, no dust pollution in this process of producing product.Meanwhile, this product all can use at each growth period of crops, after using this product, generally no longer needs the nematodosis using other conventional nematocide control plant pathogeny line insects to cause.Cost aspect, because fertilizer granules product is relative to twice use of nematocide and fertilizer, save the auxiliary agent cost of a set of packing material and wetting powder, therefore the use cost of fertilizer granules and wetting powder basically identical, can not use cost be increased.Common not containing the cost of granule of fertilizer especially lower than the cost of fertilizer granules.
In order to better verify the practical application effect of granule of the present invention, illustrate with example below.
Reagent agent: (1) test medicine: 1% lythidathion fertilizer granules; 10% lythidathion granule.(2) medicament is contrasted: 10% phonamiphos granule.(3) controlling object: cucumber root-knot nematode.(4) application method: spread fertilizer over the fields.
Table 1, testing program.
According to testing program, carry out the field control effectiveness test of control cucumber root-knot nematode on June 7th, 2012 in Tao Xi town, Wuyi County, Zhejiang Province.
The field control effectiveness test result of table 2, control cucumber root-knot nematode.
Result of the test table 2 shows, lythidathion granule has good preventive effect to Cucumber root-knot nematode disease, and to cucumber safety, phase drug effect is better than routine dose 10% phonamiphos granule.
The production technology of process for producing granula of the present invention is ripe, can produce up-to-standard, the granule of effect stability according to product standard.For checking constant product quality, inventors performed the heat storage stability test of product: store 14 days under 54 DEG C ± 2 DEG C conditions, measure the resolution ratio, moisture, pH value etc. of active ingredient.Result of the test table 3 shows, constant product quality is good, and indices meets standard-required (result of the test is in table 3).
Table 3,0.67% fosthiazate granule heat storage stability result of the test.
Accompanying drawing explanation
Fig. 1 is the production technology figure of fertilizer granules of the present invention.
Embodiment
As shown in Figure 1,0.1% ~ 20% fosthiazate, 30% ~ 70% carrier, 0.5% ~ 3% dispersing aid, 0.1% ~ 2% sustained release agent, 0.1% ~ 5% binding agent and surplus filler are mixed in airtight compounding kettle, the granulation of coating method, under 110 DEG C ~ 120 DEG C conditions, be dried to particle water content be less than 3%, screening, particle size range 2000 μm ~ 4000 μm, through after the assay was approved, namely obtains required granule; Powder sieving thing is back to agitator tank after crushed and again mixes, defective work is back to agitator tank and again mixes after check analysis reason, mixing adopts the method for fractional steps, the raw material that constituent content is lower first mix dispersing aid or filler again with other mixing of materials, to guarantee the uniformity of product content, baking temperature at 110 DEG C ~ 120 DEG C, the change of strict temperature control and fluctuation.
Can be made into the fosthiazate granule that active constituent content is different, by the total weight of granule, fungicide active ingredient fosthiazate 0.1% ~ 20%, fertilizer element macroelement N element nutrient 5% ~ 25%, P element nutrient 1% ~ 10%, K element nutrient 1% ~ 10%, trace element Zn-ef ficiency nutrient 0.5% ~ 2.0%, boron element nutrient 0.5% ~ 2.0%.
embodiment 1:a kind of fosthiazate granular formulation for killing nematode, with granule total weight, wherein: fosthiazate 0.1%, carrier 30 as one kind %, dispersing aid 0.5%, sustained release agent 0.1%, binding agent 0.1%, all the other are filler.Carrier is fertilizer.Fertilizer is the mixture of ammonium chloride, ammonium sulfate, urea, potassium chloride, potassium sulfate, MAP, and its N element content is 5% of granule gross weight, and P element content is 1% of granule gross weight, and K element content is 1% of granule gross weight.
Dispersing aid is corn starch, and sustained release agent is polyvinyl alcohol, and binding agent is polyethylene glycol, and filler is calcium bicarbonate and white kaolinic mixture.
embodiment 2:a kind of fosthiazate granular formulation for killing nematode, with granule total weight, wherein: fosthiazate 20%, carrier 70%, dispersing aid 3%, sustained release agent 2%, binding agent 5%, all the other are filler.Carrier is quartz sand.Dispersing aid is sweet potato starch, and sustained release agent is gum Arabic, and binding agent is or industrial gelatine, and filler is calcium bicarbonate and white kaolinic mixture.
embodiment 3:a kind of fosthiazate granular formulation for killing nematode, with granule total weight, wherein: fosthiazate 10%, carrier 50%, dispersing aid 2%, sustained release agent 1%, binding agent 3%, all the other are filler.
Described carrier is fertilizer.Fertilizer is the mixture of ammonium chloride, ammonium sulfate, urea, potassium chloride, potassium sulfate, MAP, and its N element content is 15% of granule gross weight, and P element content is 5% of granule gross weight, and K element content is 5% of granule gross weight.
Dispersing aid is corn starch, and sustained release agent is polyvinyl alcohol, and binding agent is polyethylene glycol, and filler is calcium bicarbonate and white kaolinic mixture.
Claims (1)
1. a fosthiazate granular formulation for killing nematode, is characterized in that, with granule total weight, wherein; Fosthiazate 0.1%, carrier 30 as one kind %, dispersing aid 0.5%, sustained release agent 0.1%, binding agent 0.1%, all the other are filler; Carrier is fertilizer; Fertilizer is the mixture of ammonium chloride, ammonium sulfate, urea, potassium chloride, potassium sulfate, MAP, its N element content is 5% of granule gross weight, P element content is 1% of granule gross weight, K element content is 1% of granule gross weight, dispersing aid is corn starch, sustained release agent is polyvinyl alcohol, and binding agent is polyethylene glycol, and filler is calcium bicarbonate and white kaolinic mixture.
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| CN201210577016.XA CN103039513B (en) | 2012-12-27 | 2012-12-27 | Fosthiazate nematicide granules and preparation method thereof |
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| CN103039513B true CN103039513B (en) | 2014-12-31 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274809B (en) * | 2013-04-27 | 2016-05-11 | 广东中迅农科股份有限公司 | Oxazine humulone granule |
| CN104725132A (en) * | 2015-03-05 | 2015-06-24 | 陕西上格之路生物科学有限公司 | Fosthiazate-containing pesticide fertilizer granule with water soluble function |
| CN104782621B (en) * | 2015-04-10 | 2016-06-29 | 天津联合益农科技有限公司 | Anti-degraded fosthiazate sustained-release granular formulation and production method thereof |
| CN107087637A (en) * | 2017-06-15 | 2017-08-25 | 广西南宁益土生物科技有限责任公司 | A kind of nematicide containing methyl jasmonate and fosthiazate |
| CN107581199A (en) * | 2017-10-30 | 2018-01-16 | 赖丰光 | A kind of nematicidal composition containing fosthiazate |
| CN109392948A (en) * | 2018-12-26 | 2019-03-01 | 安阳全丰生物科技有限公司 | A kind of fosthiazate granule and preparation method thereof |
| CN113912445A (en) * | 2021-10-18 | 2022-01-11 | 河南好年景生物发展有限公司 | Sustained-release pesticide-fertilizer granules for preventing and treating main insect pests of tobacco and preparation method thereof |
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