CN103039513A - Fosthiazate nematicide granules and preparation method thereof - Google Patents
Fosthiazate nematicide granules and preparation method thereof Download PDFInfo
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- CN103039513A CN103039513A CN201210577016XA CN201210577016A CN103039513A CN 103039513 A CN103039513 A CN 103039513A CN 201210577016X A CN201210577016X A CN 201210577016XA CN 201210577016 A CN201210577016 A CN 201210577016A CN 103039513 A CN103039513 A CN 103039513A
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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, can significantly reduce the absorption of Plant To Nutrient and moisture, and the nematode plant of causing harm is caused wound, causes phytopathogen to invade.
Fosthiazate, English common name fosthiazate has and tags and systemic action, can be absorbed and upwards conduction by plant roots.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 control nematode have phonamiphos, carbofuran, terbufos, the contour malicious agricultural chemicals of cadusafos at present, and this type of agricultural chemicals is because of long-term single use, and nematode is larger to its pesticide resistance, and environmental risk is larger.
Granule applied once of the present invention can be finished simultaneously fertilising and prevent and treat the nematodosis two procedures, and the situation of having avoided in the past dispenser and fertilising not to take into account is saved time with artificial, has improved production efficiency.
Summary of the invention
Technical problem to be solved: the present invention is directed to that the prior art deficiency provides 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 the fertilizer granules applied once to apply fertilizer and can effectively prevent and treat the nematodosis that is caused by plant pathogeny line insect, equally fosthiazate is processed into granule and spreads fertilizer over the fields or spread manuer in holes and also can reduce medication and human cost.
The present invention also provides the preparation method of above-mentioned granule.
Technical scheme of the present invention: a kind of fosthiazate granular formulation for killing nematode, in the granule gross 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 sulphate, MAP, its N constituent content is 5%～25% of granule gross weight, the P constituent content is 1%～10% of granule gross weight, and the K constituent content is 1%～10% of granule gross weight.
Described carrier fertilizer also contains monohydrate zinc sulphate and borax, and its zinc constituent 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 ℃～120 ℃ conditions, be dried to the particle water content less than 3%, screening, particle size range 2000 μ m～4000 μ m, through after the assay was approved, namely obtain required granule; The powder sieving thing is back to agitator tank after crushed to be mixed again, defective work is back to agitator tank after the check analysis reason mixes again, mix and adopt the method for fractional steps, the raw material that constituent content is lower mix first dispersing aid or filler again with other mixing of materials, to guarantee the uniformity of product content, baking temperature is strictly controlled variation and the fluctuation of temperature at 110 ℃～120 ℃.
A kind of fosthiazate granular formulation for killing nematode of the present invention is applied to prevent and treat the nematodosis that is caused by plant pathogeny line insect.
The present invention has following remarkable result
A kind of granular formulation for killing nematode that the present invention develops by the combination of sciences of fosthiazate and carrier; adopt current up-to-date slow release method to guarantee that effectively the science of agricultural chemicals, fertilizer discharges; prolong 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 in the agricultural input and the agriculture increasing both production and income that reduce the user.
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 that dispenser can't reach desirable control efficiency after morbidity, cause the underproduction of crops depreciation, satisfied again the requirement of base manure, get twice the result with half the effort.
2, the present invention adopts the modern mechanical processing technology, and active ingredient is evenly distributed in product, and the preparation method operates easily.Product in use need not be mixed soil, directly spreads fertilizer over the fields, and medicament can be distributed in the field uniformly, more is conducive to absorbing of active ingredient, has overcome the inconsistent phenomenon of drug effect, fertilizer efficiency that artificial pesticide-clay mixture method is prone in the field.
3, behind the applied once, play the double action of killing nematode and fertilising, save the dispenser cost.
After the fosthiazate fertilizer granules is used, can effectively 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 labours such as Guangdong, Zhejiang are in short supply, and this product can effectively be saved labor cost for the plantation family.
4, fertilizer granules belongs to the environmental protection formulation, and the release of granule can reduce the usage amount of wetting powder, and the regular dosage forms such as use cost and wetting powder are suitable.
5, the common granule that does not the contain fertilizer of the present invention field that can satisfy the fertilising of needs not or not needs soil disinfection fertilising is spread fertilizer over the fields or is spreaded manuer in holes, and saves labor cost.
Compare the common formulations such as wetting powder, no dust pollution in this process of producing product.Simultaneously, this product all can use at each growth period of crops, use this product after, generally no longer need the nematodosis of using other nematocides control plant pathogeny line insects commonly used to cause.The cost aspect, because the fertilizer granules product is with respect to twice use of nematocide and fertilizer, saved the auxiliary agent cost of a cover packing material and wetting powder, so the use cost of fertilizer granules and wetting powder are basically identical, can not increase use cost.The common cost that does not contain the granule of fertilizer is lower than the cost of fertilizer granules especially.
In order better to verify the practical application effect of granule of the present invention, the below illustrates with example.
Reagent agent: (1) test medicine: 1% lythidathion fertilizer granules; 10% lythidathion granule.(2) contrast medicament: 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, carried 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 that the lythidathion granule has preferably preventive effect to Cucumber root-knot nematode disease, and to cucumber safety, the 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 according to product standard up-to-standard, the granule of effect stability.Be the checking constant product quality, the inventor has carried out the heat storage stability test of product: stored 14 days the resolution ratio of mensuration active ingredient, moisture, pH value etc. under 54 ℃ ± 2 ℃ conditions.Result of the test table 3 shows that constant product quality is good, and indices meets standard-required (result of the test sees Table 3).
Table 3,0.67% fosthiazate granule heat storage stability result of the test.
Description of drawings
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 ℃～120 ℃ conditions, be dried to the particle water content less than 3%, screening, particle size range 2000 μ m～4000 μ m through after the assay was approved, namely obtain required granule; The powder sieving thing is back to agitator tank after crushed to be mixed again, defective work is back to agitator tank after the check analysis reason mixes again, mix and adopt the method for fractional steps, the raw material that constituent content is lower mix first dispersing aid or filler again with other mixing of materials, to guarantee the uniformity of product content, baking temperature is strictly controlled variation and the fluctuation of temperature at 110 ℃～120 ℃.
Can be made into the different fosthiazate granule of active constituent content, gross weight by 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 zinc element nutrient 0.5%～2.0%, boron element nutrient 0.5%～2.0%.
Embodiment 1:A kind of fosthiazate granular formulation for killing nematode, in the granule gross 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 sulphate, MAP, and its N constituent content is 5% of granule gross weight, and the P constituent content is 1% of granule gross weight, and the K constituent 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, in the granule gross 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 that filler is calcium bicarbonate and white kaolinic mixture.
Embodiment 3:A kind of fosthiazate granular formulation for killing nematode, in the granule gross 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 sulphate, MAP, and its N constituent content is 15% of granule gross weight, and the P constituent content is 5% of granule gross weight, and the K constituent 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 (7)
1. a fosthiazate granular formulation for killing nematode is characterized in that, in the granule gross 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.
2. require described a kind of fosthiazate granular formulation for killing nematode according to right 1, it is characterized in that, described carrier is fertilizer or quartz sand.
3. require described a kind of fosthiazate granular formulation for killing nematode according to right 2, it is characterized in that, described fertilizer is the mixture of ammonium chloride, ammonium sulfate, urea, potassium chloride, potassium sulphate, MAP, its N constituent content is 5%～25% of granule gross weight, the P constituent content is 1%～10% of granule gross weight, and the K constituent content is 1%～10% of granule gross weight.
4. require described a kind of fosthiazate granular formulation for killing nematode according to right 3, it is characterized in that, described carrier fertilizer also contains monohydrate zinc sulphate and borax, and its zinc constituent content is 0.5%～2% of granule gross weight, and boron content is 0.5%～2% of granule gross weight.
5. require described a kind of fosthiazate granular formulation for killing nematode according to right 1, it is characterized in that described dispersing aid is corn starch or sweet potato starch, sustained release agent is polyvinyl alcohol or gum Arabic, binding agent is polyethylene glycol or industrial gelatine, and filler is calcium bicarbonate and white kaolinic mixture.
6. the preparation method of an a kind of fosthiazate granular formulation for killing nematode claimed in claim 1, it is characterized in that, 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 ℃～120 ℃ conditions, be dried to the particle water content less than 3%, screening, particle size range 2000 μ m～4000 μ m, through after the assay was approved, namely obtain required granule; The powder sieving thing is back to agitator tank after crushed to be mixed again, defective work is back to agitator tank after the check analysis reason mixes again, mix and adopt the method for fractional steps, the raw material that constituent content is lower mix first dispersing aid or filler again with other mixing of materials, to guarantee the uniformity of product content, baking temperature is strictly controlled variation and the fluctuation of temperature at 110 ℃～120 ℃.
7. a kind of fosthiazate granular formulation for killing nematode according to claim 1 is characterized in that, is applied to prevent and treat the nematodosis that is caused by plant pathogeny line insect.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103274809A (en) * | 2013-04-27 | 2013-09-04 | 广东中迅农科股份有限公司 | Oxaziclomefone particles |
| 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 |
| CN104782621A (en) * | 2015-04-10 | 2015-07-22 | 天津联合益农科技有限公司 | Anti-degradation fosthiazate sustained-release granule and preparation 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN104782621A (en) * | 2015-04-10 | 2015-07-22 | 天津联合益农科技有限公司 | Anti-degradation fosthiazate sustained-release granule and preparation method thereof |
| 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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