CN105284903A - Compound bactericide containing thiophanate-methyl - Google Patents
Compound bactericide containing thiophanate-methyl Download PDFInfo
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- CN105284903A CN105284903A CN201510895288.8A CN201510895288A CN105284903A CN 105284903 A CN105284903 A CN 105284903A CN 201510895288 A CN201510895288 A CN 201510895288A CN 105284903 A CN105284903 A CN 105284903A
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- methyl
- bactericide
- thiophanate
- lentinan
- cyclohexanone
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Abstract
The invention relates to a compound bactericide containing thiophanate-methyl. The compound bactericide consists of lentinan, plant activator protein, the thiophanate-methyl, alkyl aryl polyoxypropylene polyoxyethylene ether, glycerin, cyclohexanone, C10-C20 saturated fatty acids and de-ionized water. According to the compound bactericide for preventing and treating melon powdery mildew, the lentinan, the plant activator protein and the thiophanate-methyl are compounded and have an obvious synergistic effect; the dosage of effective components is remarkably reduced; the effect of preventing and treating the melon powdery mildew is effectively enhanced; and the effect is rapid, the lasting period is long and the compound bactericide has no influences on non-target crops.
Description
Technical field
The present invention relates to the composite bactericide containing thiophanate-methyl, belong to pesticide field.
Background technology
Cucurbits powdery mildew is commonly called as " white hair " various melon crop all there is generation, is injured seriously with cucumber, pumpkin, custard squash and muskmelon.Powdery mildew mainly occurs on blade, is secondly, on stem and petiole, generally not endanger melon.When just falling ill, blade there is white starch point, expand rounded white powder spot gradually, when condition is suitable for, scab expands, connect in flakes, become irregular large stretch of white powder macular area, edge, and whole blade can be covered with, afterwards in canescence, sometimes scab surface produces many pores, and blade turns yellow, and matter is crisp, lose photosynthetic function, generally do not fall leaves.Cucurbits powdery mildew, in a short time just can rapid spread once occur, and brings larger loss to melon production.
Thiophanate-methyl inhales low toxicity bactericide in a kind of broad spectrum activity, has interior suction, preventive and therapeutic action.Belong to hypotoxicity bactericide.Former medicine rat acute LD50 of passing through mouth is 7500 mgs/kg, and rat acute is greater than 10000 mgs/kg through skin LD50.Rabbit skin and eyes are had no stimulation.Be 11 mg/litre (48h) to carp LC50, crouching fish LC50 is 8.8 mg/litre (48h).To birds, honeybee low toxicity.Thiophanate-methyl has to top property conduction function, has preventive and therapeutic action to multiple diseases.Inhibitory action is had to tetranychid and pathogenic nematode.
Lentinan is the effective active composition extracted from quality xianggu fruit body, is a kind of host immunity reinforcing agent, and lentinan has antiviral, antitumor, immunity moderation function and stimulates the functions such as interferon formation.Lentinan is the composition improving phyto-immunity, and the polysaccharide of its molecular weight more than 10,000 is main with β-1,3 glucan, containing a small amount of wood sugar and mannose.Lentinan is mainly used in field of medicaments the earliest, and that studies biopesticide along with people deepens continuously, and has at present and lentinan is used for pesticide field.
Plant activation protein is that a class of separation and Extraction from fungi has Promoting plant growth and improves the heat-stable protein exciton of its resistance.This molecular weight of albumen is 42kD, and isoelectric point is about that the current plant activation protein of 4.18. mainly screens from the fungies such as Alternariaspp, sheath blight fungus, Aspergillus flavus, botrytis, rice blast fungus, sickle-like bacteria, abstraction and purification obtains.Plant activation protein has biologically actives such as strengthening plant disease-resistant, insect protected, anti-adversity ability and Promoting plant growth.
Summary of the invention
The object of the present invention is to provide the composite bactericide containing thiophanate-methyl, the formulation of bactericide of the present invention is microemulsion.The present invention has significant control efficiency to cucurbits powdery mildew, and environmentally safe, and the lasting period is long, significantly increases melon output.
Composite bactericide containing thiophanate-methyl, is made up of following raw material:
Lentinan, plant activation protein, thiophanate-methyl, alkylaryl polyoxyethylene polyoxypropylene ether, glycerine, cyclohexanone, C
10-20saturated fat acids and deionized water.
In above-mentioned bactericide, each raw material components is by mass percentage:
Lentinan 1-5%, plant activation protein 1-5%, thiophanate-methyl 10-30%, alkylaryl polyoxyethylene polyoxypropylene ether 5-8%, glycerine 6-10%, cyclohexanone 3-8%, C
10-20saturated fat acids 0.2-0.5%, deionized water supply 100%.
Preferably, in described bactericide, each raw material components is by mass percentage:
Lentinan 1.5-4%, plant activation protein 1.5-4%, thiophanate-methyl 12-25%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-9%, cyclohexanone 4-8%, C
10-20saturated fat acids 0.2-0.4%, deionized water supply 100%.
Preferably, in described bactericide, each raw material components is by mass percentage:
Lentinan 2-3%, plant activation protein 1.5-3%, thiophanate-methyl 15-20%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-8%, cyclohexanone 5-8%, C
10-20saturated fat acids 0.2-0.4%, deionized water supply 100%.
Preferably, in described bactericide, each raw material components is by mass percentage:
Lentinan 2.5-3%, plant activation protein 2-3%, thiophanate-methyl 15-18%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-8%, cyclohexanone 6-8%, C
10-20saturated fat acids 0.25-0.4%, deionized water supply 100%.
Preferred, in described bactericide, each raw material components is by mass percentage:
Lentinan 2.8%, plant activation protein 2.2%, thiophanate-methyl 16%, alkylaryl polyoxyethylene polyoxypropylene ether 7%, glycerine 8%, cyclohexanone 7%, C
10-20saturated fat acids 0.3%, deionized water supply 100%.
When above-mentioned bactericide is for preventing and treating cucurbits powdery mildew, the usage amount of medicament is 30-80 gram/ha, and preferred medicament usage amount is 40-60 gram/ha, and preferred medicament usage amount is 55 grams/ha.
The present invention compared with prior art has the following advantages:
The present invention is the Recompounded pesticide for preventing and treating cucurbits powdery mildew, after lentinan, plant activation protein and thiophanate-methyl are composite, there is obvious synergistic effect, significantly reduce the dosage of active ingredient, the present invention effectively enhances the effect of the prevention and therapy to cucurbits powdery mildew, instant effect, lasting period is long, on non-Target crops without impact, and has obvious effect of increasing production to melon.
Embodiment
Further describe the present invention below in conjunction with specific embodiment, advantage and disadvantage of the present invention will be more clear along with description.But embodiment is only exemplary, does not form any restriction to scope of the present invention.It will be understood by those skilled in the art that and can modify to the details of technical solution of the present invention and form or replace down without departing from the spirit and scope of the present invention, but these amendments and replacement all fall within the scope of protection of the present invention.
The composite bactericide of embodiment 1 containing thiophanate-methyl
Each raw material components percentage:
Lentinan 2.8%, plant activation protein 2.2%, thiophanate-methyl 16%, alkylaryl polyoxyethylene polyoxypropylene ether 7%, glycerine 8%, cyclohexanone 7%, C
10-20saturated fat acids 0.3%, deionized water supply 100%.
By above-mentioned each composition application conventional pesticide process technology, the microemulsion goods being applicable to agriculturally using made.
Embodiment 2
Composite bactericide containing thiophanate-methyl
Each raw material components percentage:
Lentinan 1.5%, plant activation protein 4%, thiophanate-methyl 25%, alkylaryl polyoxyethylene polyoxypropylene ether 6%, glycerine 6%, cyclohexanone 5%, C
10-20saturated fat acids 0.25%, deionized water supply 100%.
By above-mentioned each composition application conventional pesticide process technology, the microemulsion goods being applicable to agriculturally using made.
Embodiment 3
Composite bactericide containing thiophanate-methyl
Each raw material components percentage:
Lentinan 4.5%, plant activation protein 1.5%, thiophanate-methyl 14%, alkylaryl polyoxyethylene polyoxypropylene ether 7%, glycerine 9%, cyclohexanone 4%, C
10-20saturated fat acids 0.4%, deionized water supply 100%.
By above-mentioned each composition application conventional pesticide process technology, the microemulsion goods being applicable to agriculturally using made.
Test example 1 the present invention is to the control efficiency of squash marble dust
1, test method
Test site, in Zhangqiu City of Shandong Province, is pumpkin for studying thing, and test establishes every mu to contrast totally 10 process, often processes repetition 4 times, and random district group arranges, and plot area is 40 square metres.
2, control time and number of times
Before dispenser, after the 1st medicine after 7 days and the 2nd dispenser 7 days, 14 days, every community adopted diagonal 5 sampling, often some investigation 20 strains, and by leaf classification investigation occurring degree, calculating disease refers to and control efficiency.
Grade scale is as follows:
0 grade: anosis;
1 grade: lesion area accounts for less than 5% of one-piece blade area;
3 grades: lesion area accounts for the 6%-15% of one-piece blade area;
5 grades: lesion area accounts for the 16%-25% of one-piece blade area;
7 grades: lesion area accounts for the 26%-50% of one-piece blade area;
9 grades: lesion area accounts for more than 50% of one-piece blade area.
3, drug effect computational methods
Sick leaf rate (%)=sick number of sheets/investigate the total number of sheets × 100;
Disease index=∑ (the sick number of sheets × relative level numerical value at different levels)/(investigating the total number of sheets × 9) × 100
Control efficiency (%)=[before 1-(blank district medicine disease index after disease index × treatment region medicine)/(after blank district medicine before disease index × treatment region medicine disease index)] × 100.
4, poisoning investigation method
Whether after dispenser, continuous 14d estimates medicament has poisoning to crop.
5, result of the test and analysis
The effect of each process control squash marble dust is as shown in table 1:
Table 1 microemulsion of the present invention is to the control efficiency of cucurbits powdery mildew
Experimental result shows, microemulsion of the present invention divides disease control efficiency remarkable to pumpkin in vain, and on non-Target crops without impact.
Claims (9)
1. the composite bactericide containing thiophanate-methyl, it is characterized in that, the formulation of described bactericide is microemulsion, and described bactericide is made up of following raw material:
Lentinan, plant activation protein, thiophanate-methyl, alkylaryl polyoxyethylene polyoxypropylene ether, glycerine, cyclohexanone, C
10-20saturated fat acids and deionized water.
2. bactericide according to claim 1, is characterized in that, in described bactericide, each raw material components is by mass percentage:
Lentinan 1-5%, plant activation protein 1-5%, thiophanate-methyl 10-30%, alkylaryl polyoxyethylene polyoxypropylene ether 5-8%, glycerine 6-10%, cyclohexanone 3-8%, C
10-20saturated fat acids 0.2-0.5%, deionized water supply 100%.
3. bactericide according to claim 2, is characterized in that, in described bactericide, each raw material components is by mass percentage:
Lentinan 1.5-4%, plant activation protein 1.5-4%, thiophanate-methyl 12-25%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-9%, cyclohexanone 4-8%, C
10-20saturated fat acids 0.2-0.4%, deionized water supply 100%.
4. bactericide according to claim 3, is characterized in that, in described bactericide, each raw material components is by mass percentage:
Lentinan 2-3%, plant activation protein 1.5-3%, thiophanate-methyl 15-20%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-8%, cyclohexanone 5-8%, C
10-20saturated fat acids 0.2-0.4%, deionized water supply 100%.
5. bactericide according to claim 4, is characterized in that, in described bactericide, each raw material components is by mass percentage:
Lentinan 2.5-3%, plant activation protein 2-3%, thiophanate-methyl 15-18%, alkylaryl polyoxyethylene polyoxypropylene ether 6-8%, glycerine 6-8%, cyclohexanone 6-8%, C
10-20saturated fat acids 0.25-0.4%, deionized water supply 100%.
6. bactericide according to claim 1, is characterized in that, in described bactericide, each raw material components is by mass percentage:
Lentinan 2.8%, plant activation protein 2.2%, thiophanate-methyl 16%, alkylaryl polyoxyethylene polyoxypropylene ether 7%, glycerine 8%, cyclohexanone 7%, C
10-20saturated fat acids 0.3%, deionized water supply 100%.
7., when the bactericide as described in any one of claim 1-6 is for preventing and treating cucurbits powdery mildew, the usage amount of medicament is 30-80 gram/ha.
8., when bactericide according to claim 7 is for preventing and treating cucurbits powdery mildew, the usage amount of medicament is 40-60 gram/ha.
9., when bactericide according to claim 8 is for preventing and treating cucurbits powdery mildew, the usage amount of medicament is 55 grams/ha.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895288.8A CN105284903A (en) | 2015-12-08 | 2015-12-08 | Compound bactericide containing thiophanate-methyl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510895288.8A CN105284903A (en) | 2015-12-08 | 2015-12-08 | Compound bactericide containing thiophanate-methyl |
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| CN105284903A true CN105284903A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510895288.8A Pending CN105284903A (en) | 2015-12-08 | 2015-12-08 | Compound bactericide containing thiophanate-methyl |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103719125A (en) * | 2013-12-25 | 2014-04-16 | 江苏龙灯化学有限公司 | Bactericide composition and application thereof |
| CN103843826A (en) * | 2012-12-04 | 2014-06-11 | 陕西汤普森生物科技有限公司 | Fungicidal composition containing alternaria tenuissima-activated protein |
-
2015
- 2015-12-08 CN CN201510895288.8A patent/CN105284903A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103843826A (en) * | 2012-12-04 | 2014-06-11 | 陕西汤普森生物科技有限公司 | Fungicidal composition containing alternaria tenuissima-activated protein |
| CN103719125A (en) * | 2013-12-25 | 2014-04-16 | 江苏龙灯化学有限公司 | Bactericide composition and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 徐映明等: "《农药问答精编》", 30 September 2007, 化学工业出版社 * |
| 邱强: "《原色果品蔬菜贮运病害图谱》", 31 December 1996, 中国科学技术出版社 * |
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Application publication date: 20160203 |