CN1285150A - Biocide of coal base acid - Google Patents
Biocide of coal base acid Download PDFInfo
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- CN1285150A CN1285150A CN 99117700 CN99117700A CN1285150A CN 1285150 A CN1285150 A CN 1285150A CN 99117700 CN99117700 CN 99117700 CN 99117700 A CN99117700 A CN 99117700A CN 1285150 A CN1285150 A CN 1285150A
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- coal
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- biocide
- base acid
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Abstract
the present invention relates to a coal-base acid fungicide which is made up by uniformly mixing coal-base acid and fungicide according to the mixing ratio of 0.02-3.5:1 so as to basically solve the problem of drug-resistance of existent fungicide and greatly reduce production cost and application cost. The coal-base acid not only can reduce poisonousness of fangicide to human body and animals, but also possesses the effects of preventing and resisting diseases, promoting growth of crops, raising yield and improving crop quality.
Description
The present invention relates to a kind of agriculture chemicals fungicide, relate in particular to a kind of biocide of coal base acid.
Along with the chronic administration of chemical pesticide, pesticide resistance strengthens in recent years, and drug effect descends, and dosing is increasing, and therefore environmental pollution loses using value so that be eliminated with day sharp increase, many medicaments.The approach one that solves this class problem at present is that the synthetic novel pesticide of research replaces old kind, this method is all very surprising in time and funds consumption, according to reports, develops a kind of novel pesticide the nineties, need screening compounds to reach more than 20,000, expensive 8,000 ten thousand dollars.The second approach is to start with from improving existing pesticide efficacy, selects for use to make existing pesticide efficacy recover and improve the agricultural chemicals of the combinations of substances Cheng Xin of its drug effect.Bactericide is a major types of chemical pesticide, and in agricultural production, various germs, viral very serious to the harm of crop are a harm greatly that causes the agriculture underproduction.The problem of bactericide pesticide resistance enhancing in recent years is very outstanding.Very serious as the downy mildew in the fungi, phytophthora, pythium spp etc. to the harm of melon, tomato, cotton, grain crop etc., and these germs are very fast to the pesticide resistance generation speed of existing bactericide, such as phytophthora the pesticide resistance of metalaxyl etc. being produced speed generally uses its pesticide resistance level of 1-3 and can reach more than 1000 times, prevent and treat eqpidemic diseases such as potato late blight with metalaxyl, (Lee's treasured is sincere because drug-fast enhancing comes a howler in many countries, thesis for the doctorate, " peppery angle phytophthora is to the research of metalaxyl pesticide resistance ", China Agricultural University, 1994).
The purpose of this invention is to provide the biocide of coal base acid that a kind of cost is low, bactericidal effect good, existing bactericide pesticide resistance is obviously improved.
The object of the present invention is achieved like this: coal-based acid and bactericide are mixed by a certain percentage, and the weight ratio of coal-based acid and bactericide is (0.02-3.5): 1;
When (1) bactericide is liquid, with coal-based acid and bactericide mixing and stirring in proportion;
When (2) bactericide is wetting powder, coal-based acid and wettable, bactericide are mixed;
When (3) bactericide is granule coal-based acid and bactericide are mixed the back granulation.
Described coal-based acid can be with the humic acid substance that extracts in weathered coal, brown coal, the peat (ulmic acid, humic acid, fulvic acid), also can be the coal-based organic acid that obtains through chemical degradation from weathered coal, brown coal, peat.
Described bactericide is metalaxyl, carbendazim, " shuang xiao ling ", fenaminosulf, thiophanate methyl or the triazolone in the systemic fungicide, also can be mancozeb, tmtd, tpn, neoasozin or the iprodione in the non-internal-absorting bactericide, can also be Tuzet, metalaxyl-mn-zn, compound carbendazim or tpn complexing agent in the composite series bactericidal agent.
The present invention has compared following advantage with existing bactericide:
1. owing to the special synergistic effect of coal-based acid, fundamentally solved the pesticide resistance problem of existing bactericide.
2. the consumption of bactericide is reduced, compare with other bactericide and reduce more than the 30-50%.
3. reagent cost and drug cost are descended significantly.Such as 25% metalaxyl wetting powder (dying of Nantong factory), present 62 yuan/Kg of wholesale price, when spraying the control phytophthora root rot, consider that with no pesticide resistance medication is 500-800 times of liquid (folding mu consumption 70-100g), and when using by weight ratio 1: 1 (coal-based acid: during the coal-based sour metalaxyl bactericide metalaxyl) formed, still can reach or surpass the effect of single usefulness metalaxyl by every mu of 70-100g medication.Reduced half and be equivalent to metalaxyl by the coal-based sour metalaxyl bactericide of forming at 1: 1, the cost of coal-based acid then will be lower than metalaxyl far away, general coal-based acid is no more than 1 yuan/Kg such as its price of humic acid of directly extracting from coal, in 1 yuan/Kg so by form at 1: 1 coal-based acid--the metalaxyl cost has only half of original metalaxyl.This shows the reagent cost drop by half, dosage (also referring to metalaxyl) has reduced half.
4. biocide of coal base acid of the present invention not only makes the bactericide drug effect improve, dosage reduces, and coal-based acid can also reduce the murder by poisoning to people and animals, coal-based acid itself simultaneously also has diseases prevention, disease-resistant, improve the function of crop anti-adversity, coal-based acid also has very high biostimulation activity, to promoting plant growth, increasing production, increase income and improve crop quality good effect is all arranged.
Embodiment 1
Table 1 is the portfolio ratio of the coal-based sour metalaxyl-mn-zn bactericide that combines of coal-based acid and metalaxyl-mn-zn and the bactericidal effect that pure metalaxyl-mn-zn records by inhibition zone method.
Test method: on the shape medium of garden with squares such as card punch square garden shapes from making a call to 2 holes, in the hole, add metalaxyl-mn-zn (F) respectively with micro titrator and reach the coal-based sour metalaxyl-mn-zn bactericide (HA-F) that combines by coal-based acid and metalaxyl-mn-zn, the medium center is placed 2mm phytophthora piece and is put into 28 ℃ of insulating boxs cultivations 3 days, check the mould square that drops down onto bore edges of epidemic disease after 3 days from (being antibacterial square), the big more bactericidal effect that shows of antibacterial square is strong more.
Table 1 (HA-F) biocide of coal base acid and metalaxyl-mn-zn (F) Comparison of effect on sterilization F (μ g/ml) antibacterial square (mm) HA-F (μ g/ml) (HA: F) the coal-based sour F--metalaxyl-mn-zn of antibacterial square (mm) 2.9 1.5 2.9 (1.5: 1) 6.8 4.8 3.2 4.8 (0.72: 1) 7.3 6.8 4.3 6.8 (0.61: 1), 10.6 8.7 5.7 8.7 (0.55: 1) 12.1 11.6 6.0 11.6 (0.46: 1) 12.9 notes: HA--
Embodiment 2
Test method is with embodiment 1, and table 2 has been listed the coal-based sour metalaxyl bactericide (HA-M) that is combined by coal-based acid and metalaxyl and compared with single metalaxyl (M) bactericide bactericidal effect.
Table 2 (HA-M) biocide of coal base acid and single metalaxyl (M) bactericidal effect be metalaxyl (μ g/ml) antibacterial square (mm) HA-F (μ g/ml) (HA: M) antibacterial square (mm) relatively
2.5 2.1 2.5 (0.05∶1) 5.7
5.0 3.3 5.0 (3.0∶1) 10.6
Annotate: the M--metalaxyl
Embodiment 3
Test method is with embodiment 1, and except that used bacterium piece is the botrytis cinerea, all the other are with embodiment 1.Table 3 has provided the bactericide (HA-Y) that is combined by coal-based acid and iprodione and has compared with single iprodione (Y) bactericidal effect).
Table 3 (HA-Y) biocide of coal base acid and the more different vein of single iprodione (Y) bactericidal effect (Y) (μ g/ml) antibacterial square (mm) HA-Y (μ g/ml) (HA: Y) antibacterial square (mm)
3.0 2.7 3.0 (1.2∶1) 6.3
5.0 4.5 5.0 (0.65∶1) 11.7
Annotate: the Y--iprodione
Claims (6)
1. a biocide of coal base acid is that coal-based acid and bactericide are mixed by a certain percentage, it is characterized in that the each component weight ratio is as follows:
Coal-based acid: bactericide=(0.02-3.5): 1.
2. biocide of coal base acid as claimed in claim 1 is characterized in that described coal-based acid is the humic acid substance that extracts with in weathered coal, brown coal, the peat.
3. biocide of coal base acid as claimed in claim 1 is characterized in that described coal-based acid is the coal-based organic acid that obtains through chemical degradation from weathered coal, brown coal, peat.
4. biocide of coal base acid as claimed in claim 1 is characterized in that described bactericide is metalaxyl, carbendazim, " shuang xiao ling ", fenaminosulf, thiophanate methyl or the triazolone in the systemic fungicide.
5. biocide of coal base acid as claimed in claim 1 is characterized in that described bactericide is mancozeb, tmtd, tpn, neoasozin or the iprodione in the non-internal-absorting bactericide.
6. biocide of coal base acid as claimed in claim 1 is characterized in that described bactericide is Tuzet, metalaxyl-mn-zn, compound carbendazim or the tpn complexing agent in the composite series bactericidal agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117700A CN1112102C (en) | 1999-08-18 | 1999-08-18 | Biocide of coal base acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99117700A CN1112102C (en) | 1999-08-18 | 1999-08-18 | Biocide of coal base acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1285150A true CN1285150A (en) | 2001-02-28 |
| CN1112102C CN1112102C (en) | 2003-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99117700A Expired - Fee Related CN1112102C (en) | 1999-08-18 | 1999-08-18 | Biocide of coal base acid |
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| CN (1) | CN1112102C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568926A (en) * | 2020-06-03 | 2020-08-25 | 云南中翼鼎东生物医疗科技有限公司 | Bacteriostatic agent containing lignite extracting solution and preparation method and application thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1087591C (en) * | 1999-04-23 | 2002-07-17 | 西北农业大学无公害农药研究服务中心 | Pesticide composition |
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1999
- 1999-08-18 CN CN99117700A patent/CN1112102C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568926A (en) * | 2020-06-03 | 2020-08-25 | 云南中翼鼎东生物医疗科技有限公司 | Bacteriostatic agent containing lignite extracting solution and preparation method and application thereof |
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| Publication number | Publication date |
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| CN1112102C (en) | 2003-06-25 |
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