CN104012535A - Bactericide composition containing fluoride ether bacteria amide and laminarin - Google Patents
Bactericide composition containing fluoride ether bacteria amide and laminarin Download PDFInfo
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- CN104012535A CN104012535A CN201410256405.1A CN201410256405A CN104012535A CN 104012535 A CN104012535 A CN 104012535A CN 201410256405 A CN201410256405 A CN 201410256405A CN 104012535 A CN104012535 A CN 104012535A
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- acid amides
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Abstract
The invention relates to a bactericide composition containing fluoride ether bacteria amide and laminarin. The bactericide composition comprises a suspending agent, wettable powder, water dispersible granules and the like prepared from the fluoride ether bacteria amide, the laminarin and auxiliary agents including a wetting dispersant, a filling agent and the like. An experiment research shows that the fluoride ether bacteria amide and the laminarin are mixed according to a ratio from (10:1) to (50:1); a systemic fungicide is combined with a disease-resistant inducing agent so that the bactericide composition has an obvious synergistic effect on cucumber downy mildew, and can also delay a disease progress; the dosage of the chemical pesticide fluoride ether bacteria amide is reduced and the resistance to the fluoride ether bacteria amide by pathogenic bacteria can be effectively delayed. The bactericide composition is suitable for preventing and treating many vegetable oomycete diseases including the cucumber downy mildew, tomato phytophthora diseases, phytophthora capsici, potato late blight and the like, and can also be used for preventing and treating cotton seedling stage diseases including cotton red rot diseases and the like.
Description
Technical field
The present invention relates to the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides and laminarin.This microbicide compositions is suitable for preventing and treating the various vegetables oomycetes diseases such as cucumber downy mildew, tomato phytophthora root rot, Phytophthora capsici disease and potato late blight, also can prevent and treat the disease in cotton seedling stage such as cotton boll rot disease etc.
Background technology
Fluorine ether bacterium acid amides (LH-2010A), chemical name: N-(the chloro-5-of 3-(trifluoromethyl) pyridine-2-methyl)-2,3,5,6-tetrafluoro-4-methoxy benzamide.It is a kind of amide-type wide-spectrum bactericide, and Oomycete fungi germ is had to very high biologically active, has protection and therapeutic action.Fluorine ether bacterium acid amides has stronger interior absorption.Can absorb by cauline leaf, by plant bottom, to upper direction, be conducted, along plant xylem, to whole strain crop, distribute.
Laminarin (laminaran) is one of water-soluble substances extracting from sea-tangle, and in sea-tangle, main component has algin (algin), fucoidin (fucoidan) and laminaran (laminaran).Laminaran claims again laminarin, and mainly the polymer by glucose forms, and its content in sea-tangle is generally 1% left and right.Laminarin is a kind of immunomodulator, pharmaceutically its action intensity and laminarin and lycium barbarum polysaccharide are close, can directly carry out immunological regulation to macrophage, T cell.
At present, the disclosed microbicide compositions that contains fluorine ether bacterium acid amides has: fluorine ether bacterium acid amides and tmtd, tpn, jinggangmeisu, dimethomorph etc. are composite.Above-mentioned agricultural chemicals is all chemical pesticide, and toxicity is large, and contaminated environment.
Summary of the invention
The object of the invention is to propose the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides and laminarin, to improve the control efficiency to various vegetables oomycetes diseases such as cucumber downy mildews, the consumption that reduces fluorine ether bacterium acid amides, delays the resistance of pathogen to medicament, reduces cost accounting.
Technical scheme of the present invention is: the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides and laminarin, it is characterized in that, take fluorine ether bacterium acid amides and laminarin is active ingredient, the weight ratio of fluorine ether bacterium acid amides and laminarin is 10～50:0.2～5, the total content of active ingredient is 11-51%, and all the other are auxiliary agent and filler.
Preferably, the weight ratio of described fluorine ether bacterium acid amides and laminarin is 10～50:1.Preferred, the weight ratio of described fluorine ether bacterium acid amides and laminarin is 40:1.
The present invention can use the auxiliary agents such as wetting dispersing agent, filler to be processed into suspending agent, water dispersible granules and wetting powder by conventional method.Preferably add filler, wetting dispersing agent, thickener, antifreezing agent and water to make suspending agent.Wherein filler can be white carbon, diatomite etc.; Wetting dispersing agent can be No. 500, Morwet EFW, lauryl sodium sulfate, EL80, agriculture breast etc.; Thickener can be efficient polysiloxanes, xanthans aluminium-magnesium silicate etc.; Antifreezing agent can be ethylene glycol.
The present invention also can replace with laminarin lentinan, Mushroom polysaccharide, amino-oligosaccharide and matrine.
The purposes of the microbicide compositions that the invention also discloses fluorine-containing ether bacterium acid amides and laminarin in the various vegetables oomycetes diseases such as control cucumber downy mildew, tomato phytophthora root rot, Phytophthora capsici disease and potato late blight.Above-mentioned microbicide compositions can also be prevented and treated the disease in cotton seedling stage such as cotton boll rot disease etc.
The present invention also provides a kind of method of using the oomycetes disease of the various vegetables such as above-mentioned microbicide compositions control cucumber, tomato, capsicum and potato, and it is by spray application after above-mentioned microbicide compositions preparation thin up at disease initial stage of origination.
The present invention adopts cucumber plant spraying, then blade is connect to bacterium, processes latter 96 hours, checks the disease index that each is processed, and calculates the protection effect of relative cucumber leaves, then carries out statistical analysis according to regression analysis, and its co-toxicity result is as shown in table 1.
Table 1 fluorine ether bacterium acid amides co-toxicity to cucumber downy mildew protective effect mixed with laminarin
| Medicament | Regression equation (y=) | EC 50(mg/L) | 95% confidence limit co-toxicity coefficient |
| Fluorine ether bacterium acid amides (A) | 2.9402+2.4930x | 6.7024 | 4.2484～9.5251～ |
| Laminarin (B) | 3.0698+1.0623x | 65.615 | 41.783～93.039～ |
| A+B10：1 | 3.8105+1.8257x | 4.4829 | 2.6858～7.0398162.8 |
| A+B20：1 | 3.9086+1.7460x | 4.2177 | 2.6858～6.6233166.0 |
| A+B30：1 | 3.8695+1.8835x | 3.9831 | 2.5364～6.2549173.3 |
| A+B40：1 | 3.9805+1.9508x | 3.3314 | 2.1214～5.2315205.7 |
| A+B50：1 | 3.8836+1.9714x | 3.6839 | 2.3459～5.7851185.2 |
Table 1 shows: fluorine ether bacterium acid amides is 6.7024mg/L to the EC50 of cucumber downy mildew, laminarin is 65.615mg/L to the EC50 of cucumber downy mildew, fluorine ether bacterium acid amides is mixed with laminarin 10:1,20:1,30:1,40:1 and 50:1, its EC50 is respectively 4.4829mg/L, 4.2177mg/L, 3.9831mg/L, 3.3314mg/L and 3.6839mg/L, and co-toxicity coefficient reaches respectively 162.8,166.0,173.3,205.7 and 185.2.Result shows: fluorine ether bacterium acid amides and laminarin 10:1～50:1 synergism are all very remarkable.
It is 21% fluorine ether bacterium acid amides+laminarin (20:1) suspending agent, 31% fluorine ether bacterium acid amides+laminarin (30:1) suspending agent, 41% fluorine ether bacterium acid amides+laminarin (40:1) suspending agent and 51% fluorine ether bacterium acid amides+laminarin (50:1) suspending agent of active ingredient processing that fluorine ether bacterium acid amides and laminarin are take in the present invention, uses the control efficiency of 200mg/L spraying control cucumber downy mildew more as shown in table 2 with 20% fluorine ether bacterium acid amides suspending agent and 1% laminarin aqua in field.
The effect of table 2 fluorine ether bacterium acid amides and laminarin composition field spray control cucumber downy mildew
* in table, data are added up through duncan's new multiple range method, containing same letter person, are that difference is not remarkable
Table 2 shows: in field, use the control efficiency of 200mg/L spraying control cucumber downy mildew to compare with 20% fluorine ether bacterium acid amides suspending agent, in 21% fluorine ether bacterium acid amides+laminarin (20:1) suspending agent, 31% fluorine ether bacterium acid amides+laminarin (30:1) suspending agent, 41% fluorine ether bacterium acid amides+laminarin (40:1) suspending agent and four kinds of compositions of 51% fluorine ether bacterium acid amides+laminarin (50:1) suspending agent, reduce under fluorine ether bacterium acid amides 1/2 consumption, the control efficiency that each is processed and fluorine ether bacterium acid amides are alone quite, are all significantly higher than the alone control efficiency of laminarin.Show that fluorine ether bacterium acid amides and laminarin composition are more suitable for field control cucumber downy mildew.
The invention has the beneficial effects as follows: the present invention studies discovery by experiment, it is mixed that fluorine ether bacterium acid amides and laminarin are pressed 10:1～50:1, systemic fungicide and Plant elicitors combine, not only cucumber downy mildew is had to remarkable synergistic effect, also can delay Development process, the consumption that reduces chemical pesticide fluorine ether bacterium acid amides, can effectively delay the resistance of pathogen to fluorine ether bacterium acid amides.The present invention is suitable for preventing and treating the various vegetables oomycetes diseases such as cucumber downy mildew, tomato phytophthora root rot, Phytophthora capsici disease and potato late blight, also can prevent and treat the disease in cotton seedling stage such as cotton boll rot disease etc., and using value is large, and economic and social benefit is very remarkable.
Accompanying drawing explanation
Fig. 1 is the processing process figure of suspending agent of the microbicide compositions of fluorine-containing ether bacterium acid amides and laminarin.
Embodiment
The formula of a kind of fluorine-containing ether bacterium acid amides the present invention relates to and the microbicide compositions of laminarin can be by embodiment 1, embodiment 2 and embodiment 3, be specifically described, but is not limited to this.
Embodiment 1:
A microbicide compositions for fluorine-containing ether bacterium acid amides and laminarin, by weight, fluorine ether bacterium acid amides 20%, laminarin 1%, filler 2%, wetting dispersing agent 4%, thickener 0.2%, antifreezing agent 1%, water 71.8%.Above composition is all weighed, is mixed and grinding is prepared into suspending agent formulation.Above raw material is commercially available qualified products.
Embodiment 2:
A microbicide compositions for fluorine-containing ether bacterium acid amides and laminarin, by weight, fluorine ether bacterium acid amides 30%, laminarin 2%, filler white carbon 2%, wetting dispersing agent 4%, thickener 0.2%, antifreezing agent 1%, water 60.8%.Above composition is all weighed, is mixed and grinding is prepared into suspending agent formulation.Above raw material is commercially available qualified products.
Embodiment 3:
A microbicide compositions for fluorine-containing ether bacterium acid amides and laminarin, by weight, fluorine ether bacterium acid amides 40%, laminarin 1%, filler 2%, wetting dispersing agent 4%, thickener 0.2%, antifreezing agent 1%, water 51.8%.Above composition is all weighed, is mixed and grinding is prepared into suspending agent formulation.Above raw material is commercially available qualified products.
The filler of embodiment 1-3 can be white carbon, diatomite etc.; Wetting dispersing agent can be No. 500, Morwet EFW, lauryl sodium sulfate, EL80, agriculture breast etc.; Thickener can be efficient polysiloxanes, xanthans aluminium-magnesium silicate etc.; Antifreezing agent can be ethylene glycol.
Use the method for above-mentioned microbicide compositions control cucumber downy mildew and other vegetables oomycetes diseases to be, at disease initial stage of origination, adding water is made into suspension spray and uses, can prevent and treat cotton boll rot disease, anthracnose sprout term disease etc., using value is large, and economic and social benefit is very remarkable.
Claims (8)
1. a microbicide compositions for fluorine-containing ether bacterium acid amides and laminarin, is characterized in that, take fluorine ether bacterium acid amides and laminarin is active ingredient, and the weight ratio of fluorine ether bacterium acid amides and laminarin is 10～50:0.2～5, and the total content of active ingredient is 11-51%.
2. the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides as claimed in claim 1 and laminarin, is characterized in that, the weight ratio of described fluorine ether bacterium acid amides and laminarin is 10～50:1.
3. the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides as claimed in claim 2 and laminarin, is characterized in that, the weight ratio of described fluorine ether bacterium acid amides and laminarin is 40:1.
4. the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides as claimed in claim 1 and laminarin, is characterized in that, it is suspending agent, water dispersible granules and wetting powder.
5. the microbicide compositions of a kind of fluorine-containing ether bacterium acid amides as claimed in claim 4 and laminarin, is characterized in that, it is suspending agent, and its component is: fluorine ether bacterium acid amides, laminarin, filler, wetting dispersing agent, thickener, antifreezing agent and water; Wherein filler is white carbon or diatomite, and wetting dispersing agent is newborn No. 500 of Morwet EFW, lauryl sodium sulfate, EL80 or agriculture, and described thickener is efficient polysiloxanes or xanthans aluminium-magnesium silicate, and described antifreezing agent is ethylene glycol.
6. the purposes of the microbicide compositions described in claim 1-5 in control vegetables oomycetes disease.
7. the purposes of microbicide compositions claimed in claim 6 in control vegetables oomycetes disease, is characterized in that, described vegetables oomycetes disease is cucumber downy mildew, tomato phytophthora root rot, Phytophthora capsici disease or potato late blight.
Microbicide compositions as described in claim 1-5 in control the purposes aspect cotton boll rot disease.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104285952A (en) * | 2014-09-15 | 2015-01-21 | 山东圣鹏科技股份有限公司 | Plant-virus-disease-resistant composition and application of composition |
| CN104655763A (en) * | 2015-03-12 | 2015-05-27 | 崔淑华 | GC-NCI-MS (gas chromatography-negative chemical ionization-mass spectrometry) determination method of residual amount of fluoride ether bacterium amide |
| CN106922678A (en) * | 2017-03-18 | 2017-07-07 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition |
| CN108056103A (en) * | 2016-11-08 | 2018-05-22 | 中国科学院大连化学物理研究所 | A kind of Portugal's oligosaccharides complex preparation and its application in potato disease control |
| CN111011382A (en) * | 2020-02-17 | 2020-04-17 | 南京理工大学 | β application of glucan and succinoglycan in preventing and controlling soil-borne fungal diseases |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| AR128716A1 (en) * | 2022-03-08 | 2024-06-05 | Upl Corporation Ltd | METHOD AND COMPOSITION FOR THE IMPROVEMENT OF AGRICULTURAL PRODUCTS |
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| CN108056103A (en) * | 2016-11-08 | 2018-05-22 | 中国科学院大连化学物理研究所 | A kind of Portugal's oligosaccharides complex preparation and its application in potato disease control |
| CN108056103B (en) * | 2016-11-08 | 2020-09-22 | 中国科学院大连化学物理研究所 | Glucosaccharide compound preparation and application thereof in potato disease prevention and control |
| CN106922678A (en) * | 2017-03-18 | 2017-07-07 | 深圳诺普信农化股份有限公司 | A kind of bactericidal composition |
| CN111011382A (en) * | 2020-02-17 | 2020-04-17 | 南京理工大学 | β application of glucan and succinoglycan in preventing and controlling soil-borne fungal diseases |
| CN111011382B (en) * | 2020-02-17 | 2021-09-03 | 南京理工大学 | Application of beta-glucan and succinoglycan in prevention and control of soil-borne fungal diseases |
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