CN101491242A - Application technique of dimethyl disulfide as soil fumigant - Google Patents
Application technique of dimethyl disulfide as soil fumigant Download PDFInfo
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- CN101491242A CN101491242A CNA2008100008544A CN200810000854A CN101491242A CN 101491242 A CN101491242 A CN 101491242A CN A2008100008544 A CNA2008100008544 A CN A2008100008544A CN 200810000854 A CN200810000854 A CN 200810000854A CN 101491242 A CN101491242 A CN 101491242A
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- methyl disulfide
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- dimethyl disulfide
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Abstract
The invention relates to a soil fumigant, namely dimethyl disulfide ( another name: dimethyl disulfide, methyl disulfide, dimethyl disulfide, DMDS, C2H6S2), which is applicable to the control of crops such as vegetables, strawberries, flowers, melons, orchards, vineyards, and Chinese herbal medicines, and can effectively kill eelworms, soil-borne pathogenic fungi, weeds, underground pests, and the like in the soil. The dimethyl disulfide can be processed into missible oil, and the missible oil is applied in the field through drip irrigation; a raw medicine can be directly applied by an injection method; and the raw material can be processed into capsules to be directly used in the field.
Description
Technical field
The present invention relates to soil fumigant Methyl disulfide (another name: dimethyl disulfide; Methyl disulfide; The curing dimethyl; DMDS, C
2H
6S
2) be applicable on the crops such as control vegetables, strawberry, flowers, melon, orchard, vineyard, Chinese herbal medicine, can effectively kill nematode, soil-borne disease fungal pathogens, weeds and soil insect etc. in the soil.
Methyl disulfide can be processed into missible oil, uses by drip irrigation in the field; Former medicine can directly be used by the method for injection; Former medicine can be processed into capsule and directly use in the field.
Background technology
Soil-borne disease is to infect a caused class plant disease by the pathogen of surviving in the soil.Take place on vegetables, melon and fruit, ornamental plant seriously, especially harm is serious on the crop of green house.Usually behind the greenhouse culture 3-5, the yield and quality of crop is seriously influenced, and generally causes underproduction 20%-40%, and the serious underproduction is 60% or more even have no harvest.Along with the further expansion of green house area under cultivation and the cultivation year after year of high added value crop, the problem of soil-borne disease is more and more outstanding.
Traditional method of preventing and treating soil-borne disease has breeding for disease resistance, carries out crop rotation, ploughs deeply grafting, uses chemical pesticide etc.Wherein the most frequently used also is that effective method is to carry out the soil-fumigating sterilization, and used fumigant mostly is methyl bromide (Methyl bromide).The methyl bromide soil disinfection can be eliminated nematode in the soil, fungi, insect, weeds etc. well, and crop yield is remarkable, welcome by the peasant, and domestic and international application is extensive.But the material because methyl bromide damages the ozone layer is classified as limit control material by United Nations Environment Programme (UNEP) and will be banned use of in 2015.So methyl bromide soil-fumigating sterilization substitute technology is sought in research as early as possible, just becomes work highly significant in environmental protection and the agricultural production, this research launches under this background just.
Through overtesting draw Methyl disulfide to soil in nematode good control efficiency is arranged, soil-borne disease also had certain control efficiency.The Methyl disulfide formulation is the former medicine of liquid, can use in the field by small-sized hand gun or other small-sized soil fumigant dispenser machinery.And Methyl disulfide can be used by drip irrigation after making missible oil.So Methyl disulfide is extended to soil fumigant in the present invention so that the use of peasant's safety, science, and reduce environmental pollution.
Summary of the invention
The technical solution used in the present invention is: a kind of new soil fumigant of preventing and treating nematode, soil-borne disease is characterized in that: (a) Methyl disulfide (another name: dimethyl disulfide; Methyl disulfide; The curing dimethyl; DMDS, C
2H
6S
2) can effectively kill nematode, soil-borne disease fungal pathogens, weeds and soil insect etc. in the soil as soil fumigant.(b) Methyl disulfide can be processed into missible oil, uses by drip irrigation in the field; Former medicine can directly be used by the method for injection; Former medicine can be processed into capsule and directly use in the field.
Embodiment
Further specified the present invention in order to illustrate better below by embodiment.But what it should be appreciated by those skilled in the art is that the application not merely is limited to the scope of following embodiment.
Embodiment 1
80% Methyl disulfide pesticide original medicine, 40 gram/m
2Use by small-sized type hand syringe in the field, cover then and go up the suitable mulch film of corresponding thin and thick, stifling about 15 days, can transplant seedling behind the spacious gas.This kind fumigant can effectively be killed nematode and the soil-borne disease fungal pathogens in the soil.
Embodiment 2
80% Methyl disulfide pesticide original medicine adds one or more of 1-20% farming breast 500, agricultural newborn 600#, Tween 80, polysorbas20 emulsifier, mixes the back according to 40 gram/m
2Consumption use by drip irrigation in the field, cover to go up the suitable mulch film of corresponding thin and thick then, stifling about 15 days, can transplant seedling behind the spacious gas.This kind fumigant can effectively be killed nematode and the soil-borne disease fungal pathogens in the soil
Examples of implementation 3
98% pesticide original medicine A 0.8921 gram, melamine resin, Lauxite, gelatin, gum Arabic is single or mixture 0.2031 gram.Can be processed into the Methyl disulfide capsule by Fig. 1 technological process of production.
Annex one:
Methyl disulfide fumigant indoor bioassay result
1 materials and methods
The soil sample of dress Guan County, 600g Hebei band nematode and pathogen in the 1.5L drier.The bulk density of soil is 0.84, and soil moisture is 18.32%.The DMDS medicament is set five concentration according to concentration order from high to low and is handled, and establishes blank and handle.Each handles triplicate.Temperature is 20 ℃-25 ℃ during processing, soil moisture 19.2%, and fumigation time separated edaphon and nematode in 5 days, estimated fumigating effect.Soil soil root-knot nematode Meloidogyne spp. separating method adopts Liu Wei will method, and sickle-like bacteria Fusarium spp. separates the Komada method that adopts, and phytophthora Phytophthora spp. separating method adopts the Masago method.The lady's-grass of while 20 processes of difference program request vernalization in all are handled and the seed of piemarker.Root length and the bud of measuring lady's-grass, piemarker after the off-test respectively are long.Carrying out data analysis statistics with " DPS data handling system ", is independent variable x with the value of drug concentration (mg/kg), is dependent variable y with the corrected mortality probit value, sets up regression equation respectively, obtains LD50, the LD90 value of each medicament.
The rate that goes down of nematode or fungi is calculated with following formula:
Rate=[1-(treatment region slip/check plot slip)] * 100% goes down
2 results and analysis
Methyl disulfide is to soil nematodes as can be seen from Table 1,, Fusarium, lady's-grass, the LD of piemarker
50Be respectively 5.3535,3.7517,10.11472 and 17.1740mg/kg.LD
90Be respectively 32.9561,469.405,37.0109 and 66.3029mg/kg.As seen DMDS is for soil nematodes,, Fusarium, lady's-grass, piemarker has the better prevention effect.
The indoor biological activity determination result of table 1 Methyl disulfide
3 conclusions
Methyl disulfide has good control efficiency to nematode in the soil and Fusarium disease fungus and weeds, and activity is very high.Advantages such as generally speaking DMDS has efficiently, a consumption is few, environmentally friendly, and the field is used easy and simple to handle to crops safety and the actual field of friend peasant, and is safe.This has just determined DMDS to can be used as a kind of outstanding soil fumigant to promote the use of in the field.
Accompanying drawing 1 has been listed microcapsule formulations technological process of production figure
Claims (4)
1. a soil fumigant is characterized in that: (a) Methyl disulfide (another name: dimethyl disulfide; Methyl disulfide; The curing dimethyl; DMDS, C
2H
6S
2) can effectively kill nematode, soil-borne disease fungal pathogens, weeds and soil insect etc. in the soil as soil fumigant.(b) Methyl disulfide can be processed into missible oil, uses by drip irrigation in the field; Former medicine can directly be used by the method for injection; Former medicine can be processed into capsule and directly use in the field.
2. the soil fumigant of summarizing according to claim 1 is characterized in that: it is 1-10% that Methyl disulfide is made one or more amount of the emulsifier farming breast 500 that missible oil adds, agricultural newborn 600#, Tween 80, polysorbas20.
3. mixture according to claim 1 is characterized in that the former medicine of Methyl disulfide can use by small-sized hand-operated syringe or other injection system.
4. according to claims 1 described mixture, it is characterized in that making capsule preparations, capsule dressing composition is one or more in melamine resin, Lauxite, gelatin, the gum Arabic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100008544A CN101491242B (en) | 2008-01-24 | 2008-01-24 | Application technique of dimethyl disulfide as soil fumigant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100008544A CN101491242B (en) | 2008-01-24 | 2008-01-24 | Application technique of dimethyl disulfide as soil fumigant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101491242A true CN101491242A (en) | 2009-07-29 |
| CN101491242B CN101491242B (en) | 2012-03-28 |
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| CN2008100008544A Active CN101491242B (en) | 2008-01-24 | 2008-01-24 | Application technique of dimethyl disulfide as soil fumigant |
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| CN102239886A (en) * | 2011-05-14 | 2011-11-16 | 杭州茂宇电子化学有限公司 | Sulfuryl fluoride compounding agent |
| CN103300032A (en) * | 2013-06-26 | 2013-09-18 | 中国农业科学院植物保护研究所 | Composition and method for controlling root-knot nematodes, soil-borne pathogenic fungi and weeds |
| CN103814932A (en) * | 2014-01-21 | 2014-05-28 | 中国农业科学院植物保护研究所 | Farm chemical composition and application thereof |
| CN104247713A (en) * | 2013-06-29 | 2014-12-31 | 深圳诺普信农化股份有限公司 | Composition for soil fumigation |
| CN104326842A (en) * | 2014-10-15 | 2015-02-04 | 柳州市天姿园艺有限公司 | Fumigating pesticide for nourishing gardening plants |
| CN104365600A (en) * | 2014-09-30 | 2015-02-25 | 北京格林泰姆科技有限公司 | Dimethyl disulfide missible oil, preparation method of dimethyl disulfide missible oil, emulsion in water and capsule |
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| CN110622972A (en) * | 2019-10-25 | 2019-12-31 | 中国农业科学院植物保护研究所 | Dimethyl disulfide microcapsule suspending agent and preparation method and application thereof |
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| CN114340392A (en) * | 2019-08-30 | 2022-04-12 | 阿科玛法国公司 | Fumigant formulation for drop application |
| CN114391537A (en) * | 2022-01-27 | 2022-04-26 | 中国农业科学院植物保护研究所 | Pharmaceutical composition, medicine and application in prevention and treatment of nematode diseases |
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| CN101032245B (en) * | 2007-01-12 | 2010-04-21 | 湖南万家丰科技有限公司 | Agricultural insecticide and acaricide including dimethyl disulfide |
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| CN102239886A (en) * | 2011-05-14 | 2011-11-16 | 杭州茂宇电子化学有限公司 | Sulfuryl fluoride compounding agent |
| CN102239886B (en) * | 2011-05-14 | 2015-05-20 | 杭州茂宇电子化学有限公司 | Sulfuryl fluoride compounding agent |
| US9661844B2 (en) | 2012-04-30 | 2017-05-30 | Dow Agrosciences Llc | Pesticide composition delivery vehicles |
| CN103300032A (en) * | 2013-06-26 | 2013-09-18 | 中国农业科学院植物保护研究所 | Composition and method for controlling root-knot nematodes, soil-borne pathogenic fungi and weeds |
| CN103300032B (en) * | 2013-06-26 | 2014-08-06 | 中国农业科学院植物保护研究所 | Composition and method for controlling root-knot nematodes, soil-borne pathogenic fungi and weeds |
| CN104247713A (en) * | 2013-06-29 | 2014-12-31 | 深圳诺普信农化股份有限公司 | Composition for soil fumigation |
| CN104247713B (en) * | 2013-06-29 | 2016-01-06 | 深圳诺普信农化股份有限公司 | A kind of composition for soil-fumigating |
| CN103814932A (en) * | 2014-01-21 | 2014-05-28 | 中国农业科学院植物保护研究所 | Farm chemical composition and application thereof |
| CN103814932B (en) * | 2014-01-21 | 2016-03-02 | 中国农业科学院植物保护研究所 | A kind of composition pesticide and application thereof |
| CN104365600A (en) * | 2014-09-30 | 2015-02-25 | 北京格林泰姆科技有限公司 | Dimethyl disulfide missible oil, preparation method of dimethyl disulfide missible oil, emulsion in water and capsule |
| CN104365600B (en) * | 2014-09-30 | 2016-09-14 | 北京格林泰姆科技有限公司 | Methyl disulfide cream, its preparation method and aqueous emulsion and capsule |
| CN104326842A (en) * | 2014-10-15 | 2015-02-04 | 柳州市天姿园艺有限公司 | Fumigating pesticide for nourishing gardening plants |
| CN109362794A (en) * | 2018-12-12 | 2019-02-22 | 徐州徐薯薯业科技有限公司 | A kind of crops soil-fumigating ball and preparation method thereof |
| CN109362794B (en) * | 2018-12-12 | 2021-08-31 | 徐州徐薯薯业科技有限公司 | Crop soil fumigation ball and preparation method thereof |
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| CN110622972A (en) * | 2019-10-25 | 2019-12-31 | 中国农业科学院植物保护研究所 | Dimethyl disulfide microcapsule suspending agent and preparation method and application thereof |
| CN112106771A (en) * | 2020-10-29 | 2020-12-22 | 中国农业科学院植物保护研究所 | Dimethyl disulfide cyclodextrin inclusion compound and preparation method and application thereof |
| CN112106771B (en) * | 2020-10-29 | 2021-12-21 | 中国农业科学院植物保护研究所 | Dimethyl disulfide cyclodextrin inclusion compound and preparation method and application thereof |
| CN114391537A (en) * | 2022-01-27 | 2022-04-26 | 中国农业科学院植物保护研究所 | Pharmaceutical composition, medicine and application in prevention and treatment of nematode diseases |
| CN114600890A (en) * | 2022-04-07 | 2022-06-10 | 中国农业科学院植物保护研究所 | Pharmaceutical composition for preventing and treating crop nematodes, application of pharmaceutical composition and pesticide for preventing and treating crop nematodes |
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| CN101491242B (en) | 2012-03-28 |
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