CN1074250C - Application of diniconazole emulsion in preventing and treating sigatoka - Google Patents

Application of diniconazole emulsion in preventing and treating sigatoka Download PDF

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CN1074250C
CN1074250C CN99102988A CN99102988A CN1074250C CN 1074250 C CN1074250 C CN 1074250C CN 99102988 A CN99102988 A CN 99102988A CN 99102988 A CN99102988 A CN 99102988A CN 1074250 C CN1074250 C CN 1074250C
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emulsion
sigatoka
preventing
diniconazole
alkene azoles
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CN1229582A (en
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李卫国
韦志军
黄文九
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Abstract

The invention relates to an application of diniconazole emulsion for preventing and treating banana leaf spot disease, which uses diniconazole as a bactericide and is added with an emulsifier, a wetting agent, a penetrating agent and a solvent to prepare the emulsion.

Description

Alkene azoles alcohol emulsion is prevented and treated the application of sigatoka
The present invention relates to a kind of alkene azoles alcohol emulsion and preventing and treating the application of sigatoka.
Sigatoka is one of main disease of harm banana, and this disease belongs to fungal disease, according to reports, found 6 kinds of pathogens, with the difference of region and weather, the main disease species in each producing region is different, the blade of this disease main harm banana, the various scab of the initial generation of the blade of being injured becomes large stretch of scab thereafter gradually, last full leaf is withered, lose physiological function, when the blade of being injured increased, functional leaf reduced, fruit development can not be full, causes the underproduction even cause losing receipts comprehensively.
The specific drug of preventing and treating sigatoka at present is 25% enemy's power demulsification oil Tilt that Switzerland-Novartis Co.,Ltd produces, chemical name is a propiconazole, and also have 25% of Israel-A Gan chemical company production must pounce on your missible oil with a kind of commercial goods of chemical composition, can reach 80% to the anti-efficient of sigatoka, in addition, also has widely used thiophanate methyl wetting powder, carbendazol wettable powder, the Te Keduo wetting powder, the tpn wetting powder, mancozeb wettable powder is for woods ammonium aqua, green newborn copper, bordeaux mixture, though these kinds also have certain preventive and therapeutic effect to sigatoka, preventive effect is lower, generally only be 30-70%, the anti-usefulness that has reaches more than 80%, but costs an arm and a leg, and the control cost is high.
Purpose of the present invention is being prevented and treated the application of sigatoka for the shortcoming that overcomes above-mentioned prior art provides a kind of pointed high a kind of alkene azoles alcohol emulsion of efficient of preventing and treating with deficiency just, thereby can reach effectively preventing banana disease, obtain the high yield good harvest.
The objective of the invention is to realize by following technical proposal:
Prevent and treat sigatoka alkene azoles alcohol emulsion, the emulsion that it is made by following heavy percentage raw material:
Alkene azoles alcohol 10-40%
Emulsifier 5-15%
Wetting agent 2-10%
Bleeding agent 0-2%
The solvent surplus
Emulsifier is one or more combination of farming breast 2201, agricultural newborn 0203B, agricultural newborn 0204C, above-mentioned component; Wetting agent is fatty alcohol-polyoxyethylene ether, diisooctyl succinic acid sodium sulfonate, the group of one or more of above-mentioned component; Bleeding agent is an azone; Solvent is methyl alcohol, dimethyl formamide, dimethyl sulfoxide (DMSO), the combination of one or more of above-mentioned component.
The agricultural chemicals preparation method is characterized in that it is undertaken by following step:
A) take by weighing raw material by following percentage by weight; Alkene azoles alcohol 10-40%, emulsifier 5-15%, wetting agent 2-10%, bleeding agent 0-2%, solvent surplus
B) earlier alkene azoles alcohol, bleeding agent, wetting agent, emulsifier and 2/3 solvent are added container for stirring 10-20 minute, make it whole dissolvings;
C) at last with continuing to stir 40-60 minute in 1/3 solvent adding (b) material, be the finished product agriculture chemicals.
The alkene azoles alcohol that the present invention adopts is bactericide, alkene azoles alcohol English name diniconzale, Chinese name (E)-1-(2,4)-dichlorophenyl)-4,4 ,-dimethyl-2 (1,2, the 4-triazol-1-yl) 1-amylene-3-alcohol, molecular formula is C 15H 17Cl 12N 3O, structural formula is:
Figure C9910298800041
This product is mainly used in the powdery mildew of control wheat, yellow rust, leaf rust, black stem rust, moire disease, leaf blight, maize head smut, the cercospora brown spot of peanut, black spot, powder disease, rust and the pear scab of apple, by screening, find that alkene azoles alcohol has very strong inhibitory action to sigatoka to the bulk sterilization agent.
This bactericide and wetting agent, bleeding agent, emulsifier and solvent are made emulsion, can be used for preventing and treating sigatoka, have carried out the indoor bacteriostatic experiment and the large scale experiment of banana garden for this reason, contrast with 25% enemy's power demulsification oil, and its result is as follows:
1, suppress the pathogen test:
Select the topmost pathogen of sigatoka to carry out indoor antibacterial test, observe the fungistatic effect of each medicament.
Concrete grammar is: gather disease leaf standard specimen from the field, earlier isolate pathogen with tissue isolation, the back is carried out purifying with the monospore partition method and is cultivated, the monospore fungus strain that is separated to is through indoor, after outdoor inoculation test proves the pathogen of sigatoka, move into the PDA medium and carry out enlarged culture, cultivated 7 days down at 28-30 ℃, with sterile water the conidium of pathogen is washed, be made under 100 times of light microscopics each visual field and contain the suspension of 300 pathogen spores, pour in 15 ℃ the PDA medium every 150ml PDA medium then into and add 10ml pathogen conidial suspension and shake up, pour in the culture dish that diameter is 90mm.Every ware is poured 10ml into and is contained the conidial PDA liquid medium of pathogen, after treating culture medium solidifying, the filter paper circle butterfly that it is 5mm that a diameter is put at the middle part of every culture dish, soup by the concentration of required test is added on the filter paper circle butterfly at culture dish middle part at leisure, and each pesticide-treated concentration is done 4 repetitions.Install, tighten with plastic sack then, be put in 28-30 ℃ the greenhouse and cultivate, at the 3rd day that cultivates, measure the diameter of the inhibition zone that occurs in each culture dish, the mm of unit the results are shown in Table 1
Inhibition effect table 1 to the sigatoka pathogen
Concentration inhibition zone size (mm) experimental pharmacy mean
(extension rate) I II III IV (mm) 25% alkene azoles alcohol missible oil 2,000 38 37 40 38 38.2525% enemy's power demulsification oil 1,500 32 36 35 37 35.00
Experimental result shows, emulsion of the present invention to fungistatic effect greater than enemy's power demulsification oil.
2, the leaf spot scab is suppressed experiment:
Concrete grammar is: every chemicals treatment 3 strain bananas, whenever select good strains in the field for seed and get 1 on first morbidity leaf, the width of the length of mark and the first morbidity of measurement spot on leaf, 50 big scabs of the grain of rice of every leaf mark, the mark scab is 150 altogether, after the dispenser 15 days, measure the length and the width of institute's mark scab, more various medicaments are to the inhibition effect of scab size.The results are shown in Table 2
Table 2
Concentration scab length scab width experimental pharmacy (extension rate) is (mm) 25% alkene azoles alcohol missible oil 2,000 9.76 1.2825% enemy's power demulsification oil 1,500 10.54 1.50 (mm)
Data are 150 mean values of investigation scab in the table.Experimental result shows that emulsion of the present invention is better than opposing power demulsification oil to leaf spot scab fungistatic effect.
3, to young leaves protection experiment:
Concrete grammar is: every chemicals treatment 21 strain bananas, and complete stool spray medicine three times, dispenser is spaced apart for the first time and at interval 15 days for the second time, for the second time with at interval 20 days for the third time.
Reinstate urushoil mark plant top position during from first time dispenser, total number of sheets of 20 days inquiry agency marks after the dispenser for the third time, the morbidity number of sheets has been calculated the leaf rate, the results are shown in Table 3:
The new number of sheets of the table 3 experimental pharmacy concentration young leaves sum morbidity good leaf rate of the number of sheets of not falling ill
(extension rate) (opening) (opening) (opening) be 25% alkene azoles alcohol missible oil, 2,000 238 19 219 92.0225% enemy's power demulsifications oil 1,500 254 38 216 85.04 (%)
Experimental result shows: missible oil of the present invention is better than 25% enemy's power demulsification oil to banana young leaves protection effect.
4, the sigatoka preventive effect is tested:
Concrete grammar is: every chemicals treatment 7 strain bananas, repeat for 4 times, complete stool spray medicine 3 times, dispenser at interval: at interval 15 days for the first time and for the second time, for the second time with at interval 20 days for the third time.
The total leafiness number of investigation records, the sick number of sheets and sick leaf-size class number before each dispenser.Investigated total leafiness number of plant for the third time after the dispenser in 20 days, the morbidity number of sheets and sick level, calculate disease index and preventive effect:
The stage division of sick leaf:
0 grade-anosis,
1 grade-scab distribution blade face is below 1/6,
2 grades-scab distribution blade face 1/6-1/3,
3 grades-scab distribution blade face 1/3-1/2,
4 grades-scab distribution blade face is more than 1/2,
The results are shown in Table 4
Table 4
Concentration disease index preventive effect
Experimental pharmacy (extension rate) is (%) (mm)
25% alkene azoles alcohol missible oil 2,000 3.77 91.0
25% enemy's power demulsification oil 1,500 5.82 86.10
Experimental result shows: missible oil of the present invention is better than opposing power demulsification oil to the sigatoka preventive effect.
5, banana garden preventive effect experiment: select Pubei County, Guangxi banana garden
Experimental result: see Table 5
Table 5
The average preventive effect of concentration and preventing effect (%) experimental pharmacy
(extension rate) I II III IV (%) 6% alkene azoles alcohol missible oil 1,000 82.9 89.1 85.4 86.3 85.912% alkene azoles alcohol missible oil 1,500 88.9 88.5 86.3 85.1 87.225% alkene azoles alcohol missible oil 2,000 90.8 92.1 89.4 93.2 91.4 experimental results show, missible oil of the present invention prevent and treat efficient all at 85.9-91.4%, have significant bactericidal effect.
In sum, it is effective that compared with the prior art the present invention has the bacterium of stopping, and can reach 90%, and sigatoka is had special efficacy, and product cost is low, and the preparation method is simple, and the no three wastes are pollution-free.
Embodiment 1:
Alkene azoles alcohol 10kg, fatty alcohol-polyoxyethylene ether 2kg, farming breast 2201 and agricultural each 2.51kg of newborn 0203B, 35kg methyl alcohol, the 20kg dimethyl formamide, add in the container, stirred 15 minutes, and added methyl alcohol 18kg again, dimethyl formamide 10kg, continue again to stir 60 minutes, obtain sterilizing emulsion of the present invention.
Embodiment 2:
Alkene azoles alcohol 25kg, diisooctyl succinic acid sodium sulfonate 6kg, azone 1kg and agricultural newborn 0204C10kg, dimethyl formamide 38kg adds in the container, stirs 15 minutes, adds dimethyl formamide 20kg again and continues to stir 50 minutes, promptly obtains sterilizing emulsion of the present invention.
Embodiment 3:
Alkene azoles alcohol 40kg, poly alkyl alcohol vinyl chloride ether 5kg, diisooctyl fourth acetate sodium sulfonate 5kg, azone 2kg, the newborn 0203B of farming and agricultural each 7.5kg of newborn 0204C, methyl alcohol 22kg, add in the container, stirred 20 minutes, add dimethyl sulfoxide (DMSO) 11kg again, continue to stir 40 minutes, promptly get sterilizing emulsion of the present invention.

Claims (1)

1, alkene azoles alcohol emulsion, prevent and treat the application of sigatoka.
CN99102988A 1999-03-17 1999-03-17 Application of diniconazole emulsion in preventing and treating sigatoka Expired - Fee Related CN1074250C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013209293A (en) * 2010-07-28 2013-10-10 Nippon Nohyaku Co Ltd Method for controlling sigatoka disease
CN104969768B (en) * 2015-07-31 2017-06-16 王振华 Prevent and treat the implantation methods of sigatoka

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291047A (en) * 1978-07-21 1981-09-22 Bayer Aktiengesellschaft Combating fungi with α-azolyl-β-hydroxy-ketones
US4554007A (en) * 1979-03-20 1985-11-19 Sumitomo Chemical Company, Limited Geometrical isomer of 1-substituted-1-triazolylstyrenes, and their production and use as fungicide, herbicide and/or plant growth regulant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291047A (en) * 1978-07-21 1981-09-22 Bayer Aktiengesellschaft Combating fungi with α-azolyl-β-hydroxy-ketones
US4554007A (en) * 1979-03-20 1985-11-19 Sumitomo Chemical Company, Limited Geometrical isomer of 1-substituted-1-triazolylstyrenes, and their production and use as fungicide, herbicide and/or plant growth regulant

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
农药剂 型加工技术 1998.10.1 刘步林主编化工出版社 *
农药剂 型及助剂应用 1995.10.1 张保民主编,中原农民出版社 *
国外新农药品种手册 1992.10.1 沙家骏,徐敏恒,姜雅君等编化工出版社 *
国外新农药品种手册 1992.10.1 沙家骏,徐敏恒,姜雅君等编化工出版社;农药剂 型及助剂应用 1995.10.1 张保民主编,中原农民出版社;农药剂 型加工技术 1998.10.1 刘步林主编化工出版社 *

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