CN105613518A - Application of benziothiazolinone to prevention and treatment of potato black scurf and method for preventing and treating potato black scurf - Google Patents
Application of benziothiazolinone to prevention and treatment of potato black scurf and method for preventing and treating potato black scurf Download PDFInfo
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- CN105613518A CN105613518A CN201610111257.3A CN201610111257A CN105613518A CN 105613518 A CN105613518 A CN 105613518A CN 201610111257 A CN201610111257 A CN 201610111257A CN 105613518 A CN105613518 A CN 105613518A
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- potato
- benziothiazolinone
- black scurf
- wettable powder
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Agronomy & Crop Science (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses application of benziothiazolinone to prevention and treatment of potato black scurf and a method for preventing and treating the potato black scurf. Benziothiazolinone wettable powder with the concentration being 3% can be adopted for prevention and treatment medicament; the benziothiazolinone wettable powder with the concentration being 3% is utilized for prevention and treatment in different stages of the growth process of potatoes, and the attack rate of the potato black scurf can be effectively lowered.
Description
Technical field
The present invention relates to potato germ Prevention Technique field, it is specifically related to pesticide control and the prevention and controls of a kind of black scurf of potato.
Technical background
Benziothiazolinone (Benziothiazolinone) different thiazoles compound, it is a kind of poison efficient, low, broad-spectrum germicide, its mechanism of action is: react with the anion binding of the surface of cell membrane of bacterium, mould or with sulfydryl, destroy the synthesis system of protein and cytolemma, thus anti-bacteria, mould breeding, interference pathogenic bacteria cell metabolism so that it is physiologic derangement, causes pathogenic bacteria dead. Bacterium, very microbial corps diseases are had good prevention effect by this compound, and farm crop are fool proof.
Potato is the world " the 4th big food crop ", the potato planting area of China accounts for the 20%-25% of the whole world potato total area, black scurf of potato is sick also known as stem ulcer, dry thread Pyrenomycetes, as a kind of soil-borne disease, generation in northern China one Ji Zuo district is serious year by year, become the big bottleneck affecting Development of Potato Industry, drastically influence the quality and yield of potato. At present, China prevents and treats black scurf of potato and mainly or carries out ditch spread control with the medicament such as tolclofosmethyl, pencycuron, but the lasting period is short, and the control of black scurf of potato is faced severe challenge.
Summary of the invention
First object of the present invention is to provide benziothiazolinone in the application preventing and treating in black scurf of potato. It can adopt 3% benziothiazolinone wettable powder or other preparation.
Benziothiazolinone be possible not only to adopt single dose form, it is possible to adopting composite form, the activeconstituents composite with benziothiazolinone can be other sterilant, such as Azoxystrobin, thifluzamide, there is synergistic function. The inert ingredient that activeconstituents can allocate corresponding formulation into can be made into wettable powder, water dispersible granules, kind clothing suspension agent etc.
Benziothiazolinone is the sterilant of a kind of stable, low stain, but reports that benziothiazolinone can prevent black scurf of potato. But finding through the present inventor and experiment proves, application benziothiazolinone is prevented and treated black scurf of potato and can be brought and prevent the better preventing effectiveness of medicament than traditional black scurf of potato, and simple to operate, with low cost, low stain.
It is a further object to provide the method preventing and treating black scurf of potato.
Prevent and treat the method for black scurf of potato, it is characterised in that, it broadcasts, potato, single dose or the compound preparation that seed dressing uses benziothiazolinone period, and/or, sowing ditch spread uses single dose or the compound preparation of benziothiazolinone.
Further, the usage quantity when potato broadcasts seed dressing is the benziothiazolinone wettable powder 30g/ mu of mass percent 3%, and the usage quantity of sowing ditch spread is the benziothiazolinone wettable powder 30 100g/ mu of mass percent 3%.
Described method also can by the following technical solutions:
Prevent and treat a method for black scurf of potato, comprise the following steps:
Potato seed processes: the benziothiazolinone wettable powder of 30g3% is watered in 5 liters of potato seeds being evenly sprayed at about 150 kilograms to 200 kilograms, treat that moisture is slightly dry, it is as the criterion not fall the globule, again by thiophanate_methyl+talcum powder dry mixing in potato seed, it is air-dry that the front environment that potato seed is placed in 5 10 DEG C of sowing carries out nature, waits sowing;
Sowing time processes: the benziothiazolinone wettable powder 30 100g/ mu of furrow ditch spread 3%, directly sprays application on furrow and female potato after being watered.
The present invention has not only found that benziothiazolinone can prevent black scurf of potato. And, the present invention is by the tangent plane of the female potato of benziothiazolinone energy available protecting potato and promotes that potato plant is emerged in advance, reduces the probability that dry thread Pyrenomycetes invades from otch, repairs the wound formed when stem ulcer occurs, reduce the loss that stem ulcer causes; Further, potato plant is promoted and emerges in advance, shortens germ and the contact of plant tender tissue, decreases the probability of infection process, improve the disease resistance of potato plant when infection process, decreases the generation of disease.
The present invention adopts 3% benziothiazolinone wettable powder to be undertaken by seed potato spraying dispenser, carrying out ditch spread in the potato sowing phase, black scurf of potato is prevented and treated, this medicament and method can effectively reduce sickness rate and the disease index of black scurf of potato, bring suitable economic benefit.
Embodiment:
Test of pesticide effectiveness example
Embodiment 1 benziothiazolinone is to the Toxicity Determination of black scurf of potato
Test carries out with reference to < agricultural chemicals room bioassay test criterion sterilant >.
Calculate bacteria growing inhibiting rate by bacteria growing amount test measurements, then calculate EC by virulence regression equation y=a+bX50��
Table 13% benziothiazolinone wettable powder Toxicity Determination result
Conclusion: from measurement result it may be seen that black scurf of potato bacterium is had higher biological activity by 3% benziothiazolinone wettable powder, EC50 is 8.5618ug/ml.
Embodiment 2 benziothiazolinone black scurf of potato inhibition
Test carries out with reference to < agricultural chemicals room bioassay test criterion sterilant >.
Selecting benziothiazolinone Fungicidal compounds to carry out field test, its formulation is 3% benziothiazolinone wettable powder, and comparison single dose is 25% Azoxystrobin, if not dispenser blank. Mycelial growth inhibition rate is calculated by mycelium morphology factor test measurements.
Table 2 benziothiazolinone Fungicidal compounds is to the inhibition of black scurf of potato
Experimental result shows that benziothiazolinone Fungicidal compounds is relatively strong and obvious higher than other experimental pharmacies to the inhibiting rate of black scurf of potato bacterium when 1000 times.
Embodiment 33% benziothiazolinone wettable powder Fungicidal compounds field control black scurf of potato.
1, object is tested
It is verified seed dressing and ditch spread is carefully stopped the anti-effect to tar spot.
2, trial crops
Potato
3, test medicine and test site
Hebei province's Zhangjiakou City and some areas, the Inner Mongol.
Table 3 black scurf of potato test medicine
4, experimental procedure
Potato seed processes: the benziothiazolinone wettable powder of 30g3% is watered in 5 liters of potato seeds being evenly sprayed at about 150 kilograms to 200 kilograms, treat that moisture is slightly dry, it is as the criterion not fall the globule, again by thiophanate_methyl+talcum powder dry mixing in potato seed, it is air-dry that the front environment that potato seed is placed in 5 10 DEG C of sowing carries out nature, waits sowing.
Sowing time processes: the benziothiazolinone wettable powder 30 100g/ mu of furrow ditch spread 3%, directly sprays application on furrow and female potato after being watered.
5, test design
The potato sowing phase (4.27-5.13) with the different dosages of 30-100g/ mu 475 mu, 16 test points test carry out ditch spread carefully stop prevent and treat black scurf of potato test (table 4).
Table 4 each test point test medicine consumption, test area and time
6, pilot survey
In potato tiller phase and harvesting time, each test point is carried out random sampling investigation, to use conventional dose Azoxystrobin as comparison in sowing time, each test clicks 5 investigation, each some investigation 40 potato plants and 40 potato tubers, and calculates sickness rate, disease index and anti-effect.
Black scurf of potato potato block-grading standard:
0 grade, potato block surface does not have sclerotium;
1 grade, sclerotium area accounts for the 0%-5% of whole potato block area;
2 grades, sclerotium area accounts for the 6%-35% of whole potato block area;
3 grades, the 36%-65% of the stem total area in the occupation of land of sclerotium area;
4 grades, the 66%-95% of the stem total area in the occupation of land of sclerotium area;
5 grades, sclerotium area accounts for more than the 96% of whole potato block area.
Sick stem rate (%)=(the sick stem number of test/total stem number) �� 100
Sick potato rate (%)=(in spite of illness stem tuber number/investigate total stem tuber number) �� 100
Potato block disease index=[�� (sick potato number at different levels �� relative level numerical value)/(investigating total potato block number �� 5)] �� 100
Prevention effect (%)=[(the sick stem rate of the sick stem rate-process of comparison) the sick stem rate of/comparison] �� 100
Prevention effect (%)=[(comparison potato block disease index-process potato block disease index)/comparison potato block disease index] �� 100
7, result analysis
The generation of black scurf of potato in the stem and potato block of potato can be effectively controlled in various degree at potato sowing phase ditch spread 30-100g/ mu of carefully stopping, finding that black scurf of potato is 67.31% in the average anti-effect of potato stem by ditch spread 30-100g/ mu of carefully stopping by investigation, the anti-effect on potato block is 57.81% (table 5, table 6).
Table 5 black scurf of potato generation condition survey result
Note: in table 5, each data are the mean value of each test point random sampling investigation result.
Table 6 ditch spread is carefully stopped the anti-effect to black scurf of potato
Note: in table 6, diseased plant rate, diseased plant number, sick potato number and diseased plant rate are the mean value that each test ground random sampling calculates.
8. conclusion
Carefully stopping in the ditch spread of potato sowing phase and black scurf of potato has certain anti-effect, it is mainly manifested in the disease index of sickness rate and the potato block tar spot reducing stem ulcer.
Claims (6)
1. benziothiazolinone is in the application prevented and treated in black scurf of potato.
2. benziothiazolinone wettable powder is in the application prevented and treated in black scurf of potato.
3. the benziothiazolinone wettable powder of mass percent 3% is in the application prevented and treated in black scurf of potato.
4. prevent and treat the method for black scurf of potato, it is characterised in that, it broadcasts, potato, single dose or the compound preparation that seed dressing uses benziothiazolinone period, and/or, sowing ditch spread uses single dose or the compound preparation of benziothiazolinone.
5. prevent and treat the method for black scurf of potato as claimed in claim 4, it is characterized in that, usage quantity when potato broadcasts seed dressing is the benziothiazolinone wettable powder 30g/ mu of mass percent 3%, and the usage quantity of sowing ditch spread is the benziothiazolinone wettable powder 30 100g/ mu of mass percent 3%.
6. prevent and treat a method for black scurf of potato, comprise the following steps:
Potato seed processes: the benziothiazolinone wettable powder of 30g3% is watered in 5 liters of potato seeds being evenly sprayed at about 150 kilograms to 200 kilograms, treat that moisture is slightly dry, it is as the criterion not fall the globule, again by thiophanate_methyl+talcum powder dry mixing in potato seed, it is air-dry that the front environment that potato seed is placed in 5 10 DEG C of sowing carries out nature, waits sowing;
Sowing time processes: the benziothiazolinone wettable powder 30-100g/ mu of furrow ditch spread 3%, directly sprays application on furrow and female potato after being watered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111257.3A CN105613518A (en) | 2016-02-29 | 2016-02-29 | Application of benziothiazolinone to prevention and treatment of potato black scurf and method for preventing and treating potato black scurf |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610111257.3A CN105613518A (en) | 2016-02-29 | 2016-02-29 | Application of benziothiazolinone to prevention and treatment of potato black scurf and method for preventing and treating potato black scurf |
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| CN201610111257.3A Pending CN105613518A (en) | 2016-02-29 | 2016-02-29 | Application of benziothiazolinone to prevention and treatment of potato black scurf and method for preventing and treating potato black scurf |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107361080A (en) * | 2017-08-31 | 2017-11-21 | 广西沙田仙人滩农业投资有限公司 | A kind of black scurf of potato bactericide containing tolelofos-methyl |
| CN109897012A (en) * | 2019-03-08 | 2019-06-18 | 西安临港科技创新发展有限公司 | A kind of benziothiazolinone complex and its preparation method and application with bactericidal activity |
Citations (3)
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| CN102823602A (en) * | 2012-05-29 | 2012-12-19 | 陕西西大华特科技实业有限公司 | Sterilization composition containing benziothiazolinone and epoxiconazole |
| WO2014026396A1 (en) * | 2012-08-13 | 2014-02-20 | 江苏辉丰农化股份有限公司 | Synergistic fungicide composition |
| CN105340915A (en) * | 2015-10-31 | 2016-02-24 | 海利尔药业集团股份有限公司 | Sterilization composition containing benziothiazolinone and Xinjunan acetate |
-
2016
- 2016-02-29 CN CN201610111257.3A patent/CN105613518A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102823602A (en) * | 2012-05-29 | 2012-12-19 | 陕西西大华特科技实业有限公司 | Sterilization composition containing benziothiazolinone and epoxiconazole |
| WO2014026396A1 (en) * | 2012-08-13 | 2014-02-20 | 江苏辉丰农化股份有限公司 | Synergistic fungicide composition |
| CN105340915A (en) * | 2015-10-31 | 2016-02-24 | 海利尔药业集团股份有限公司 | Sterilization composition containing benziothiazolinone and Xinjunan acetate |
Non-Patent Citations (2)
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| 朱卫刚 等: "保护地蔬菜真菌病害化学防治进展", 《现代农药》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107361080A (en) * | 2017-08-31 | 2017-11-21 | 广西沙田仙人滩农业投资有限公司 | A kind of black scurf of potato bactericide containing tolelofos-methyl |
| CN109897012A (en) * | 2019-03-08 | 2019-06-18 | 西安临港科技创新发展有限公司 | A kind of benziothiazolinone complex and its preparation method and application with bactericidal activity |
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Application publication date: 20160601 |