CN101361485B - Compound bactericidal agent containing zincpolyanemine and ethylicin - Google Patents
Compound bactericidal agent containing zincpolyanemine and ethylicin Download PDFInfo
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- CN101361485B CN101361485B CN2008101962003A CN200810196200A CN101361485B CN 101361485 B CN101361485 B CN 101361485B CN 2008101962003 A CN2008101962003 A CN 2008101962003A CN 200810196200 A CN200810196200 A CN 200810196200A CN 101361485 B CN101361485 B CN 101361485B
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- fungicide
- zincpolyanemine
- ethylicin
- ethylthio sulfonate
- ethyl ethylthio
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Abstract
The invention relates to a botanical fungicide used for controlling the powdery mildew and gray mold of fruit trees and vegetables, in particular to a compounded fungicide containing zincpolyanemine and ethylicin, and pertains to the technical field of pesticides. The active ingredients of the fungicide are the zincpolyanemine and ethylicin with the weight ratio of 1:2 to 5:1. In the preparation ingredients of the fungicide, the ethylicin and the zincpolyanemine totally account for 5 percent to 60 percent of the weight of the preparation agents, grass vinegar accounts for 5 to 20 percent of the gross weight of the fungicide, addition agents (surfactant, wetter) account for 5 to 10 percent of the gross weight of the fungicide, and the rest is fillers. The invention utilizes the synergy of the zincpolyanemine and ethylicin to make up for the own deficiency of single-dosage pesticide, thus overcoming the pesticide resistance of diseases and improving the pesticide application effect. Through practical test, the fungicide has remarkable control efficiency to the powdery mildew and gray mold of fruit trees and vegetables, with high efficiency, safety and environment protection.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of botanical fungicide that is used to prevent and treat fruit tree, vegetables powdery mildew and gray mold, specifically is a kind of composite bactericide that contains pyrithione zinc and S-Ethyl ethylthio sulfonate.
Background technology
Tomato in strawberry in the fruit tree, Chinese pear, grape etc. and the vegetables, capsicum etc., powdery mildew and gray mold are main regular incidence evil, and some areas take place seriously to cause production loss big.On large tracts of land was produced at present, chemical control was still the important means of the above two kinds of diseases of control.Owing to prevent and treat this sick medicament based on carbendazim, Sukeling, triazolone etc. for many years, pesticide resistance has appearred in use in the production; Generation height, polyoxin, lucky star, the Amici of successively using reached etc. and mostly to be external import agricultural chemicals greatly in recent years, the price height, and the peasant was difficult to accept during large tracts of land was produced.And chemical pesticide exists, and toxicity is high relatively, pollution heavily waits problem, and unfavorable people are healthy, should need the botanical pesticide of exploitation high-efficiency low-toxicity in pollution-free food production.
Summary of the invention
Technical problem to be solved by this invention provide a kind of to fruit tree, vegetables powdery mildew and gray mold control efficiency better, high-efficiency low-toxicity, be difficult for producing the composite bactericide that contains pyrithione zinc and S-Ethyl ethylthio sulfonate of resistance
The present invention contains the composite bactericide of pyrithione zinc and S-Ethyl ethylthio sulfonate, and its effective ingredient is pyrithione zinc and S-Ethyl ethylthio sulfonate, and the weight ratio of pyrithione zinc and S-Ethyl ethylthio sulfonate is 1:2～5:1.
In the fungicide preparation composition of the present invention, S-Ethyl ethylthio sulfonate and pyrithione zinc account for 5%～60% of weight of formulation altogether, and careless vinegar liquid accounts for the 5-20% of bactericide gross weight, and auxiliary agent (surfactant, wetting agent) accounts for 5%～10% of bactericide gross weight, and all the other are filler.
The present invention utilizes the synergistic effect of pyrithione zinc and S-Ethyl ethylthio sulfonate, remedies self deficiency of single agent agricultural chemicals, overcomes the pesticide resistance of disease, improves application result of medicine.Pyrithione zinc in the composition of the present invention is dark Polyalthia plant root extract, claims pyridine zinc sulphate, Ao Maiding zinc again, writes a Chinese character in simplified form common name ZPT, has the effect that suppresses bacterium, conk; S-Ethyl ethylthio sulfonate in the composition of the present invention is a kind of broad-spectrum germicide, S-Ethyl ethylthio sulfonate is a kind of plant resource bionic pesticide, it is the ethyl homologue of edible garlic extract allicin, the chemical name O-Ethyl ethanesulfonothioate, code name 402, its mechanism of action is the substance reaction that contains a SH base in group in its molecular structure and the thalline molecule, thereby suppresses the thalline eubolism, is the broad-spectrum high efficacy bactericide of higher potentiality to be exploited.The sterilization mechanism uniqueness, fungicidal spectrum is wide, and is strong with crop affinity, easily absorb, instant effect, and easily degraded, low-residual, pollution-free, be difficult for producing resistance.Bactericide of the present invention has remarkable prevention effect through actual test to fruit tree, vegetables powdery mildew and gray mold, and efficient, safety, environmental protection.
Embodiment
Embodiment one～embodiment five:
Respectively former medicine of pyrithione zinc and the former medicine of S-Ethyl ethylthio sulfonate are dissolved with small amount of acetone, and mix by different proportion and to be made into 5 mother liquors that are mixed, pyrithione zinc: S-Ethyl ethylthio sulfonate is respectively 1:2,1:1,2:1,3:1 and 5:1, with these 5 mixed liquids respectively as embodiment one～embodiment five.
With embodiment one～embodiment five and pyrithione zinc, S-Ethyl ethylthio sulfonate with sterile water respectively prepare 100ml, concentration is the soup of 2000 μ g/ml, and its inhibitory action to the powdery mildew of strawberry bacterium is carried out indoor measurement, the mensuration process is as follows:
1, the preparation of powdery mildew conidial suspension
Fresh conidium on the strawberrying plant leaf is used aseptic water washing, makes conidial suspension (8-10 * 10/mL).Should be limited in the 2h to finishing inoculation from the conidial suspension preparation.
2, the preparation of nutrient solution
Adopt Japanese rural area general formulation.In order to make the strawberry blade keep a not yellow of week, need in nutrient solution, to add benzene-1 imipramine, concentration is 25mg, L.
3, the leaf disc prophylactic effects is given birth to and is surveyed
With card punch the strong leaf of strawberry is broken into the leaf disc that diameter is 1cm, leaf disc is immersed in the S-Ethyl ethylthio sulfonate of certain density different proportionings and the mixed liquid that pyrithione zinc is made, treat to take out behind the 5s.Facing up is placed in the culture dish of the diameter 5cm that covers with filter paper, drips on the filter paper, and each handles 3,3 repetitions.Behind the 24h of chemicals treatment, the nutrient solution for preparing with liquid-transfering gun inoculation conidial suspension 10 μ L is in the central authorities of leaf disc.Blank clear water is set handles and contrast chemicals treatment.Illumination cultivation under 25 ℃ of conditions drips nutrient solution every day and keeps the moistening of leaf disc.
Inoculation back 7d investigation incidence, state of an illness investigation grade scale is as follows, and 0 grade: leaf disc central authorities are standard green, not bacteria infection; 1 grade: visible mycelia or a small amount of scab (area be no more than whole leaf disc 10%) are arranged; 2 grades: lesion area reaches 30% of whole leaf disc, and visible germinating spore is arranged; 3 grades: scab or sporophyte cover whole leaf disc.Plant the disease research method according to Fang Zhongda and calculate disease index of each processing (DI) and preventive effect, result such as table one.
The different proportionings of table one, S-Ethyl ethylthio sulfonate and pyrithione zinc are given birth to powdery mildew of strawberry (leaf disc method) prophylactic effects and are surveyed the result
| Medicament proportioning pyrithione zinc: S-Ethyl ethylthio sulfonate | Valid density | Disease index | Preventive effect % |
| 1：0 | 2000 times | 26.93 | 67.43 |
| 0：1 | 2000 times | 21.50 | 75.21 |
| Example one 1:2 | 2000 times | 17.11 | 81.46 |
| Example two 1:1 | 2000 times | 11.52 | 88.72 |
| Example three 2:1 | 2000 times | 14.61 | 83.61 |
| Example four 3:1 | 2000 times | 13.58 | 84.57 |
| Example five 5:1 | 2000 times | 18.90 | 78.32 |
With embodiment one～embodiment five and and pyrithione zinc, S-Ethyl ethylthio sulfonate with sterile water respectively prepare 100ml, concentration is the soup of 2000 μ g/ml, with above-mentioned five embodiment the inhibitory action of grape grey mould bacterium is carried out indoor measurement.
Growth rate method is adopted in test, earlier each proportioning is made into the series concentration gradient.It is standby the grape grey mould bacterium after secondary separation is cultivated with diameter to be that the aseptic card punch of 0.5CM goes out to punch in the bacterium colony leading edge, moves then on pastille PDA plating medium, places in 25 ± 1 ℃ of incubators and cultivates, and cultivates and measures colony diameter after 8 days.Every processing repeats 6 times.Measured result is calculated antibacterial percentage compared with the control.5 proportionings are carried out the synergy test by the synergy test method.Calculate the mixture of 5 proportionings and the IC50 value of 2 single agent, calculate co-toxicity coefficient, judge whether to have synergistic effect.Criterion be co-toxicity coefficient significantly greater than 100 for synergy, less than 100 be antagonism, equaling 100 is addition.Concentration and co-toxicity coefficient result such as table two in the virulence regression equation of pyrithione zinc that is obtained and S-Ethyl ethylthio sulfonate and composite comparison grape grey mould, the inhibition:
Table two, 7 kinds of different medicaments are to the malicious together coefficient determination result of the virulence of grape grey mould
| Medicament proportioning pyrithione zinc: S-Ethyl ethylthio sulfonate | Virulence regression equation | LC 50(mg/kg) | Co-toxicity coefficient |
| 1：0 | y＝1.1456x+4.4246 | 3.22208 | |
| 0：1 | y＝1.1543x+6.3692 | 0.07314 | |
| Embodiment one 1:2 | y＝0.7782x+5.8319 | 0.17173 | 208.82067 |
| Embodiment two 1:1 | y＝0.9531x+5.7893 | 0.15008 | 213.30672 |
| Embodiment three 2:1 | y＝1.0462x+5.5925 | 0.28745 | 178.44217 |
| Embodiment four 3:1 | y＝0.9389x+5.4141 | 0.41067 | 124.79045 |
| Embodiment five 5:1 | y＝0.9634x+5.2662 | 0.63218 | 106.60871 |
Embodiment six:
With pyrithione zinc: S-Ethyl ethylthio sulfonate carries out composite according to the weight ratio of 1:1, then itself and careless vinegar and auxiliary agent and filler are mixed with fungicide preparation, wherein pyrithione zinc, S-Ethyl ethylthio sulfonate account for 30% of total formulation weight amount altogether, grass vinegar accounts for total formulation weight amount 10%, auxiliary agent accounts for 6% (wherein surfactant neopelex 3%, wetting agent sodium lignin sulfonate 3%) of total formulation weight amount, and all the other are filler.
With the preparation of embodiment six prevent and treat strawberry in the fruit tree respectively, grape is the crop of representative, and the control efficiency of powdery mildew is compared test, method is as follows:
Every mu 60 gram of preparation, 80 grams, 100 grams are set, every mu 40 gram of 80% S-Ethyl ethylthio sulfonate missible oil, every mu 100 gram of 30% pyrithione zinc wetting powder and blank totally 6 processing, every processing repeats 3 times, repeats 100 square metres of areas, converts water spray medicine respectively at the powdery mildew initial stage of origination of strawberry, grape with mist sprayer, medication is once again after one week, 18 kilograms of every mu of soups, the powdery mildew of strawberry disease index is respectively handled in investigation in 10 days behind the medicine for the second time, and calculates relative control efficiency with the disease index of check plot.Its result such as table three:
Table three, 30% pyrithione zinc S-Ethyl ethylthio sulfonate wetting powder are to the control efficiency of fruits and vegetables powdery mildew
Strawberry, the grape prevented and treated respectively in the fruit tree with the preparation of embodiment six are the crop of representative, and the tomato in the vegetables is the crop of representative, and the control efficiency of gray mold is compared test, and method is as follows:
Every mu 60 gram of preparation, 80 grams, 100 grams are set, every mu 40 gram of 80% S-Ethyl ethylthio sulfonate missible oil, every mu 100 gram of 30% pyrithione zinc wetting powder and blank totally 6 processing, every processing repeats 3 times, repeat 100 square metres of areas, convert water spray medicine respectively at strawberry, grape grey mould and graw mold of tomato initial stage of origination with mist sprayer, medication is once again after one week, 18 kilograms of every mu of soups, grape grey mould, graw mold of tomato disease index are respectively handled in investigation in 10 days behind the medicine for the second time, and calculate relative control efficiency with the disease index of check plot.Its result such as table four:
Table four, 30% pyrithione zinc S-Ethyl ethylthio sulfonate wetting powder are to the control efficiency of fruits and vegetables gray mold
Claims (2)
1. composite bactericide that contains pyrithione zinc and S-Ethyl ethylthio sulfonate, it is characterized in that: its effective ingredient is pyrithione zinc and S-Ethyl ethylthio sulfonate, the weight ratio of pyrithione zinc and S-Ethyl ethylthio sulfonate is 1:2～5:1.
2. the composite bactericide that contains pyrithione zinc and S-Ethyl ethylthio sulfonate according to claim 1, it is characterized in that: in the fungicide preparation composition, S-Ethyl ethylthio sulfonate and pyrithione zinc account for 5%～60% of weight of formulation altogether, grass vinegar liquid accounts for the 5-20% of bactericide gross weight, auxiliary agent accounts for 5%～10% of bactericide gross weight, and all the other are filler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101962003A CN101361485B (en) | 2008-09-19 | 2008-09-19 | Compound bactericidal agent containing zincpolyanemine and ethylicin |
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| CN2008101962003A CN101361485B (en) | 2008-09-19 | 2008-09-19 | Compound bactericidal agent containing zincpolyanemine and ethylicin |
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| CN101361485A CN101361485A (en) | 2009-02-11 |
| CN101361485B true CN101361485B (en) | 2010-07-07 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869109B (en) * | 2010-07-08 | 2014-05-14 | 江苏省绿盾植保农药实验有限公司 | Germicide containing zincpolyanemine and kresoxim-methyl |
| CN102007908B (en) * | 2010-12-14 | 2013-04-24 | 江苏农林职业技术学院 | Botanical fungicide for preventing and curing powdery mildew of crops |
| CN103734145B (en) * | 2013-04-07 | 2015-07-08 | 海南正业中农高科股份有限公司 | Sterilization composition containing cyflufenamid and oxazole sterilization components |
| CN104255732A (en) * | 2014-09-23 | 2015-01-07 | 江苏省绿盾植保农药实验有限公司 | Compound bactericide containing zincpolyanemine and cnidium lactone and application of compound bactericide |
| CN104604939A (en) * | 2015-01-08 | 2015-05-13 | 馥稷生物科技发展（上海）有限公司 | Pesticide composite containing sophocarpidine |
| CN104705357B (en) * | 2015-03-31 | 2016-04-06 | 湖南大乘医药化工有限公司 | A kind of composition and method of making the same for preventing and treating banana Panama wilt disease |
| CN104770381A (en) * | 2015-04-24 | 2015-07-15 | 常熟市植保植检站 | Fungicidal composition for prevention and treatment of crop diseases and applications of fungicidal composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167569A (en) * | 1997-01-03 | 1997-12-17 | 河南省四创应用技术发展有限公司 | Pesticide for control of crop disease |
| CN1402977A (en) * | 2001-12-21 | 2003-03-19 | 张长兴 | Agricultural bactericide composition containing substituted benzene bactericide |
| CN101103729A (en) * | 2007-07-31 | 2008-01-16 | 江苏丘陵地区镇江农业科学研究所 | Composite insecticide for preventing rice plant hopper |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167569A (en) * | 1997-01-03 | 1997-12-17 | 河南省四创应用技术发展有限公司 | Pesticide for control of crop disease |
| CN1402977A (en) * | 2001-12-21 | 2003-03-19 | 张长兴 | Agricultural bactericide composition containing substituted benzene bactericide |
| CN101103729A (en) * | 2007-07-31 | 2008-01-16 | 江苏丘陵地区镇江农业科学研究所 | Composite insecticide for preventing rice plant hopper |
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