CN1561723A - Novel soil sterilizing preparation and its use - Google Patents

Novel soil sterilizing preparation and its use Download PDF

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Publication number
CN1561723A
CN1561723A CN 200410014346 CN200410014346A CN1561723A CN 1561723 A CN1561723 A CN 1561723A CN 200410014346 CN200410014346 CN 200410014346 CN 200410014346 A CN200410014346 A CN 200410014346A CN 1561723 A CN1561723 A CN 1561723A
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China
Prior art keywords
dithiocyano
methane
preparation
prescription
filler
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CN 200410014346
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Chinese (zh)
Inventor
周明国
王建新
刘照云
潘建碧
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Nanjing Jixing Biotechnology Development Co Ltd
Nanjing Agricultural University
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Nanjing Jixing Biotechnology Development Co Ltd
Nanjing Agricultural University
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Priority to CN 200410014346 priority Critical patent/CN1561723A/en
Publication of CN1561723A publication Critical patent/CN1561723A/en
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Abstract

A disinfectant of soil for preventing and eliminating the fungal, bacterial and no mathode diseases of agricultural crops contains dithiocyanomethane, synergistic, stabilizer, filler, solvent and assistant.

Description

A kind of new soil disinfectant preparation and using method thereof
One, technical field
A kind of new soil disinfectant preparation and using method thereof belongs to novel, wide spectrum, sterilization, nematocide formulation of pesticide and soil treatment control soil thereof efficient, low toxicity pass the application of plant disease.
Two, technical background
Along with scientific and technological progress and universal, the vegetables establishment planting technology is widely used.Yet under the specific condition of facility cultivation, incident is the popular harm of various crop root knot nematode diseases.Because lack efficient, safe, cheap nematocide at present both at home and abroad, root knot nematode disease has become the most serious obstacles of crop production such as vegetables.Though the Celfume of applying on producing at present has advantage efficiently, but to people, animal, phytotoxicity height, colorless and odorless, very easily take place to poison and phytotoxicity accident, environment and microecosystem also there is ill-effect, simultaneously because bromine to atmospheric destruction, has forbidden that in the world this class halogenated hydrocarbon compound uses in developed country, and clearly will ban use of in the whole world in 2015 at the latest.The general effect of other nematocides of Application and Development is lower, and toxicity is higher, especially plant is had poisoning.
Three, summary of the invention
Technical problem the present invention is directed to root knot nematode disease and the fungal disease of being badly in need of in the prior art in the facility for prevention and control vegetables, and prescription of a kind of new soil disinfectant and using method thereof is provided, and reaches purpose efficient, wide spectrum.
A kind of new soil disinfectant preparation of technical scheme and using method thereof is characterized in that the pharmaceutical formulation effective ingredient has dithiocyano-methane.Adopt conventional pesticide solvent, auxiliary agent, filler, adsorbent and production technology to make dithiocyano-methane emulsifiable concentrates for agricultural chemicals (EC), granule (G), wetting powder (WP) or pulvis preparations such as (W) and be used for soil treatment.
The new soil disinfectant of preparation 1000g, its pharmaceutical formulation preferably contains: dithiocyano-methane 2%~30% (percentage by weight, Hereinafter the same), adsorbent, filler 35%~85%, auxiliary agent 3%~15%, synergist and stabilizing agent 0.1%~5%.According to the controlling object difference, can be made into the various formulations of pesticide of different content and prescription.Contained component of various formulations and proportioning are as follows:
2%~50% dithiocyano-methane missible oil (EC) prescription:
Dithiocyano-methane 2.0%~50%
Solvent 35%~85%
Auxiliary agent 3%~25%
The prescription of 2%~20% dithiocyano-methane granule (G):
Dithiocyano-methane 2.0%~20%
Adsorbent, filler 35%~85%
Auxiliary agent 3%~15%
Synergist, stabilizing agent 0.1%~5%
2%~50% dithiocyano-methane wetting powder (WP), pulvis (P) prescription:
Dithiocyano-methane 2.0%~30%
Adsorbent, filler 35%~85%
Auxiliary agent 3%~15%
Synergist, stabilizing agent 0.1%~5%
The usage of above-mentioned soil sterilising preparation comprises and adopts various utensils in the plant cultivating pre-treatment that per hectare is used the active ingredient 600~720g of preparation, converts the water pouring or spreads fertilizer over the fields; When plantation or the vegetation period per hectare use active ingredient 300~1250g to spread fertilizer over the fields or convert method soil treatment such as water pouring, the various plant diseases that control is caused by fungi, bacterium and nematode are as Solanaceae, Curcurbitaceae, ginger, sweet potato, peanut and other plant soil-borne fungus, bacillary and nematodiasis.
Beneficial effect the present invention is through studying and fill a prescription screening for many years, the dithiocyano-methane formulation products of producing belongs to wide spectrum, efficient, low toxicity, low-residual, the bactericide of environmentally compatible, nematocide, various crop root knot nematode diseases there is good control efficiency, the longevity of residure is suitable, meets the green non-pollution agricultural product and produces and the environment-friendly quality requirement.
Though it is dithiocyano-methane is a kind of efficient germicide, active usually unstable.Pharmaceutical formulation of the present invention not only can improve the bactericidal activity of this active ingredient, and has increased eelworm-killing activity and good stability.Be used for soil treatment and can prevent and treat the various diseases that soil-borne fungus, bacterium and nematode cause.Using method not only can be handled soil before the crop plantation, and can use at crop growth period.The advantage of this invention is:
1. this prescription medicament has the advantage of wide spectrum, carries out soil treatment and can prevent and treat the various plant diseases that various soil-borne fungus, bacterium and nematode cause.
2. said preparation can be prevented and treated the disease that other medicament has been developed immunity to drugs, and pathogen can not develop immunity to drugs to this medicament.
3. this formulation product is active high, and as long as per hectare is carried out soil treatment 40~400g with active ingredient.
4. pesticidal preparations toxicity of the present invention is medium, and degraded does not easily have residual and environmental pollution in the water sweetening of the soil.
5. the medicament made of this prescription not only can be handled soil, and can use at crop growth period crop safety before the crop plantation.
6. using method of the present invention simply, more present Avermectin and Celfume is effective and cost is low, peasant household all can accept.
Four, embodiment and effect
(1) indoor prescription screening
Toxicity Determination is somebody's turn to do complete kill plants pathogenetic bacteria (the Xanthomonas campestris of prescription, Clavibactermichiganense, Pseudomons syringae, Erwinia amylovora) as minimal effective concentration (MIC) is 0.01~0.1 μ g/mL, complete kill plants disease fungus (Fusarium oxysporum, Phytophthora, Verticilliumdehliae, Botrytis cinerea, Pythium aphanidermatum, Rhizoctonia solani) minimal effective concentration is 2.0~5.0 μ g/mL, and the minimal effective concentration of killing two root-knot nematodes in age (Meloidogyne incognita) fully is 7.6~13.4 μ g/mL.The nematode incubation rate that 4.6% missible oil processing soil treatment agent (dithiocyano-methane 4.6%, the emulsifier 10% that is mixed, solvent xylene 85.4%) is handled all obviously is suppressed, promptly allow to hatching, the two nematode survival rates in age very low (seeing Table 1) that hatch, the minimal effective concentration of killing the root-knot nematode egg capsule fully is 8.0~14.2 μ g/mL.
Table 1 4.6% new soil inorganic agent is to the influence of cucumber root-knot nematode hatching
24h 48h
Processing hatches total borer population, and (dead worm hatches inhibiting rate relatively and hatches total borer population (dead worm hatches inhibiting rate relatively
Number) (%) count) (%)
1∶2500 19(19) 66.1 4(0) 99.65
1∶5000 39(39) 30.4 6(0) 99.46
1∶7500 12(12) 78.6 80(40) 92.9
1∶10000 24(24) 57.1 20(20) 98.2
1∶15000 33(33) 40.1 45(40) 96.0
1∶20000 24(24) 57.1 83(5) 92.6
CK 56(0) - 1120(0) -
(2) field operation technique and drug effect thereof
1, transplants preceding soil treatment control cucumber root knot nematode disease
Experiment is located at the greenhouse by solar heat of Huaiyin, Jiangsu Province Ding Ji, and soil property is a sandy loam, and morbidity is heavy and even.Cucumber variety is Tianjin excellent 30.7d used the processing of 4.6% missible oil processing soil treatment agent (dithiocyano-methane 4.6%, the emulsifier 10% that is mixed, solvent xylene 85.4%) 1: 800,1: 1000 and 1: 1500 times, every sub-district 24m respectively before 3 leaf phases cucumber seedlings were transplanted 2, 50kg soup/sub-district.Open ventilation after covering the vexed 3d of film, behind 3d, transplant cucumber again.The contrast medicament is that 0.5% Avermectin is handled using dosage 2.5kg/667m according to a conventional method when transplanting 2Each handles counterpoise multiple 3 times, and a situation arises to investigate root-knot nematode respectively when transplanting back 3 months, 4 months and 7 months results, calculates disease index and preventive effect (%).
The results are shown in Table 2, illustrate after 3 months and the preventive effect of 1: 800 times and 1: 1000 times processing in 4 months apparently higher than 1: 1500 times with contrast the preventive effect of medicament.In the time of 4th month, the preventive effect of 1: 800 times of processing has increased by 48%, and has really descended 16.7% at 1: 1000.The preventive effect of handling at 1: 800 during 7th month results is 71.0%, apparently higher than other processing.Illustrate that thus the new soil inorganic agent can effectively prevent and treat the root-knot nematode of cucumber whole growth phase at 1: 800, the lasting period is long.
The result of the control root-knot nematode of chemicals treatment before table 2 is transplanted
Handle preventive effect (%)
During 3 months 4 months results (7 months)
1∶800 50.0 74.0 71.0
1∶1000 60.0 50.0 18.7
1∶1500 10.0 30.6 15.0
0.5% Avermectin 40.0 36.3 29.5
2, transplant the field trial of preceding control tomato root-knot eelworm
Test arrangement is at grandson market town, Shouguang City, Shandong Province experiment and demonstration.Be mixed with 5.0% processing soil treatment agent wetting powder (WP) (dithiocyano-methane 5%, 884 composite assistants 10%, filler diatomite 60%, auxiliary agent lignosulfonates 15%, auxiliary agent white carbon 10%).Per hectare uses 0.6,0.9,1.8,3.6,7.2Kg converts water 25000-60000Kg and water the soil of ploughing before plantation, serves as the contrast medicament with 0.5% Avermectin.Behind plastic film covering 2d, open film ventilation 4d, and then transplant tomato.90d " Invest, Then Investigate " disease index and calculating preventive effect (seeing Table 3).The result shows that 5.0% processing soil treatment agent wetting powder (WP) per hectare use 0.9,1.8,3.6,7.2Kg handle preventive effect apparently higher than the contrast medicament.
The sick result of the test of table 3 control tomato root-knot eelworm
The average preventive effect significance of disease index branch
Handling average disease refers to
I II III IV (%) analyses F0.05
5% processing soil treatment agent 0.6kg/hm 222.21 21.22 25.38 29.43 24.56 60.71 a
5% processing soil treatment agent 0.9kg/hm 214.94 13.78 16.39 17.21 15.58 74.91 b
5% processing soil treatment agent 1.8Kg/hm 28.42 9.81 9.36 9.57 9.29 85.13 c
5% processing soil treatment agent 3.6kg/hm 24.28 4.97 5.02 4.33 4.65 92.56 d
5% processing soil treatment agent 7.2kg/hm 22.86 1.31 1.56 1.43 1.79 97.14 d
0.1% Avermectin granule 150
22.67 17.23 19.97 29.41 22.32 64.29 a
Kg/hm 2
Blank 80.00 54.29 54.29 61.43 62.50 //
3, prevent and treat groundnut root knot nematode disease
Test is located at 3 groups in Donghai County Nan Chen village, Jiangsu Province.Experimental field be peanut continuous cropping field piece, peanut root-knot nematode taken place for many years, soil types is a sandy loam, and soil fertility level is medium.Bunch planting on April 22 in 2003, mu is executed 45 Nitrogen, Phosphorus and Potassium 50Kg and is made base fertilizer before the sowing, and the smooth furrow of doing are intertilled 1 the time of infertility.Peanut varieties is seaflower No. 1.25% processing soil treatment agent WP (dithiocyano-methane 25%, 884 composite assistants 10%, filler diatomite 45%, auxiliary agent lignosulfonates 10%, auxiliary agent white carbon 10%) and pesticide-seeds ratio 1: 70,1: 60,1: 50; The contrast medicament is 4.2% seed soaking spirit 1: 300.Investigation prevention groundnut root knot nematode disease effect when September 10 gathered in the crops.The results are shown in Table 4, illustrate that 25% processing soil treatment agent WP and pesticide-seeds ratio 1: 60 and the preventive effect of handling at 1: 50 are better than contrast, and preventive effect and the contrast difference handled at 1: 50 are remarkable.The growing state of investigating peanut during results shows, 25% processing soil treatment agent is respectively handled the stem height, side shoot length, branch amount, two fruit number, fresh weight of peanut generally along with dosage improves corresponding increase.
The effect of table 4 control peanut root-knot nematode
The average disease of repetition refers to (the average preventive effect of left column
Medicament mean value
1234 number counter-rotatings change % into) (%)
25% processing soil treatment agent WP and pharmacopoeia
38.02 33.72 20.76 26.78 29.82 24.70 66.52
Than 1: 70
25% processing soil treatment agent WP and pesticide-seeds ratio
15.89 37.86 20.70 18.43 23.22 15.58 78.88
1∶60
25% processing soil treatment agent WP and pesticide-seeds ratio
18.43 24.72 20.70 12.92 19.20 10.82 85.33
1∶50
4.2% seed soaking spirit 1: 300
30.17 24.23 23.68 25.24 25.83 18.97 74.29
CK 69.29 52.23 55.24 60.00 59.19 73.77 /
4, the field trial of control sweet potato stem nematode
Test is located in man of the Donghai County Tao Lin town peach East Village peasant household farmland covered by contract, preceding stubble wheat, and every mu of sealing fertilizer 50Kg imposes compound potassium sulfate fertilizer 20Kg when ploughing.Sweet potato is broadcast June 22 2003 phase of planting, spacing in the rows 30cm, and row spacing 80cm, artificial weeding are once.Sweet potato variety is Xu's potato 18.June 21, dispenser before the plantation of sweet potato seedling.Mix the row replacement of pesticide-clay mixture trench digging, earthing after the dispenser.20% soil treatment agent emulsifiable solution (dithiocyano-methane 20%, the emulsifier 10% that is mixed, solvent xylene 70%) 1000g, 2000g, 4000g/hm 2Contrast medicament 5% phonamiphos granule 18750g/hm 2The results are shown in Table 5,10% processing soil treatment agent 2000g and 4000g/hm 2Preventive effect be higher than 10% processing soil treatment agent 1000g/hm 2With contrast medicament, significant difference.
The result of the test of table 5 control sweet potato stem nematode
Average disease refers to (the average equal preventive effect of left column
Medicament repeats 1 and repeats 2 repetitions, 3 repetitions, 4 mean values
The mean counter-rotating changes % into) (%)
20% processing soil treatment agent 1000g/hm 27.51 9.22 6.86 9.22 8.21 2.04 52.22
20% processing soil treatment agent 2000g/hm 25.32 6.12 5.32 6.12 5.73 1.00 76.58
20% processing soil treatment agent 4000g/hm 23.91 4.09 4.82 3.78 4.15 0.52 87.84
5% phonamiphos granule 18750g/hm 26.86 7.51 6.04 5.32 6.44 1.26 70.49
Blank 11.95 11.10 11.53 13.10 11.93 4.27/
5, control of plant bacterial wilt
Test is located at Xuyi County, Jiangsu Province and looks up with eyes wide open sand hill village, cities and towns Li Yongfang family responsibility ground.Experimental field continuous cropping plantation tomato is 5 years, and soil is clay, and pH 7.August 1 transplanted, tomato planting density 60,000 strains/hm 2About, peasant household is general to the field management of tomato.Tomato variety is cooperation 906.20% processing soil treatment agent EC (dithiocyano-methane 20%, the emulsifier 10% that is mixed, solvent xylene 70%) dilution is irritated root for 300 times, 500 times, 700 times.The contrast medicament is 72% agricultural streptomycin sulphate (a preparation company of North China pharmacy group), dilutes 1000 μ g/mL and irritates root.Test spraying time for the first time is on August 19th, 2003, tomato 30cm height, and disease just takes place, later on every the 7d medication, shared medicine 5 times.September 30 was carried out last efficacy survey, the results are shown in Table 300 times of 6,20% processing soil treatment agent EC dilutions and 500 times of preventive effects of irritating root apparently higher than 700 times of liquid irrigating roots of dilution and contrast.
Table 6 control of plant bacterial wilt result of the test
Average disease refers to (the average equal preventive effect of left column
Medicament repeats 1 and repeats 2 repetitions, 3 repetitions, 4 mean values
The mean counter-rotating changes % into) (%)
300 times 10.02 8.00 9.40 7.88 8.83 2.36 84.88 of 20% processing soil treatment agent EC dilution
500 times 6.41 9.87 11.88 13.50 10.42 3.27 78.96 of 20% processing soil treatment agent EC dilution
700 times 19.06 17.12 20.26 13.72 17.55 9.09 41.51 of 20% processing soil treatment agent EC dilution
Streptomycin sulphate 1000ppm 11.02 12.62 16.01 11.55 12.81 4.90 68.48
CK 28.96 23.57 15.89 24.45 23.22 15.54 /
Those skilled in the art such as emulsifier, solvent, dispersant, thickener, antifreezing agent, defoamer, composite assistant, filler can both grasp and use.

Claims (4)

1. a new soil disinfectant preparation is characterized in that, the pharmaceutical formulation effective ingredient has dithiocyano-methane.
2. according to the described a kind of new soil disinfectant preparation of claim 1, it is characterized in that, the new soil disinfectant of preparation 1000g, its pharmaceutical formulation contains: and dithiocyano-methane 2%~30% (percentage by weight, Hereinafter the same), adsorbent, filler 35%~85%, auxiliary agent 3%~15%, synergist and stabilizing agent 0.1%~5%.
3. according to claim 1 or 2 described a kind of new soil disinfectant preparations and using method thereof, it is characterized in that contained component of various formulations and proportioning are as follows:
2%~50% dithiocyano-methane missible oil (EC) prescription:
Dithiocyano-methane 2.0%~50%
Solvent 35%~85%
Emulsifier 3%~25%
The prescription of 2%~20% dithiocyano-methane granule (G):
Dithiocyano-methane 2.0%~20%
Adsorbent, filler 35%~85%
Auxiliary agent 3%~15%
Synergist, stabilizing agent 0.1%~5%
2%~50% dithiocyano-methane wetting powder (WP), pulvis (P) prescription:
Dithiocyano-methane 2.0%~30%
Adsorbent, filler 35%~85%
Auxiliary agent 3%~15%
Synergist, stabilizing agent 0.1%~5%
4. the usage of the described a kind of new soil disinfectant preparation of one of claim 1-3 comprises: adopt various utensils in the plant cultivating pre-treatment, per hectare is used the active ingredient 600~720g of preparation, converts the water pouring or spreads fertilizer over the fields; During plantation or the vegetation period per hectare use active ingredient 300~1250g to spread fertilizer over the fields or convert method soil treatment such as water pouring, the various plant diseases that control is caused by fungi, bacterium and nematode are as Solanaceae, Curcurbitaceae, ginger, sweet potato, peanut and other plant soil-borne fungus, bacillary and nematodiasis.
CN 200410014346 2004-03-18 2004-03-18 Novel soil sterilizing preparation and its use Pending CN1561723A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1915616A (en) * 2006-08-30 2007-02-21 广东省林业科学研究院 Wood preservative and preparation method
CN100515193C (en) * 2005-11-01 2009-07-22 中国农业科学院蔬菜花卉研究所 Method for preventing pest at root of vegetables by using pesticide isolation film
CN102138554A (en) * 2010-02-02 2011-08-03 夏正斌 Method for preparing methylene dithiocyanate emulsion serving as efficient bactericide
CN102246795A (en) * 2011-06-20 2011-11-23 甘肃农业大学 Seed coating agent for preventing and treating cyst nematodes in wheat crops and application thereof
CN102934639A (en) * 2012-11-26 2013-02-20 海南正业中农高科股份有限公司 Dithiocyano-methane/organophosphorus pesticide composition
CN102960359A (en) * 2012-11-26 2013-03-13 海南正业中农高科股份有限公司 Composition of dithiocyano-methane and macrolide insecticide component
CN106359379A (en) * 2016-08-20 2017-02-01 李祥英 Dithiocyanomethane-containing nematode killing composition

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100515193C (en) * 2005-11-01 2009-07-22 中国农业科学院蔬菜花卉研究所 Method for preventing pest at root of vegetables by using pesticide isolation film
CN1915616A (en) * 2006-08-30 2007-02-21 广东省林业科学研究院 Wood preservative and preparation method
CN102138554A (en) * 2010-02-02 2011-08-03 夏正斌 Method for preparing methylene dithiocyanate emulsion serving as efficient bactericide
CN102138554B (en) * 2010-02-02 2015-03-11 梅州市凤兴环保科技有限公司 Method for preparing methylene dithiocyanate emulsion serving as efficient bactericide
CN102246795A (en) * 2011-06-20 2011-11-23 甘肃农业大学 Seed coating agent for preventing and treating cyst nematodes in wheat crops and application thereof
CN102246795B (en) * 2011-06-20 2013-08-21 甘肃农业大学 Seed coating agent for preventing and treating cyst nematodes in wheat crops and application thereof
CN102934639A (en) * 2012-11-26 2013-02-20 海南正业中农高科股份有限公司 Dithiocyano-methane/organophosphorus pesticide composition
CN102960359A (en) * 2012-11-26 2013-03-13 海南正业中农高科股份有限公司 Composition of dithiocyano-methane and macrolide insecticide component
CN102934639B (en) * 2012-11-26 2014-02-26 海南正业中农高科股份有限公司 Dithiocyano-methane/organophosphorus pesticide composition
CN106359379A (en) * 2016-08-20 2017-02-01 李祥英 Dithiocyanomethane-containing nematode killing composition

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