CN106857598A - A kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco - Google Patents
A kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco Download PDFInfo
- Publication number
- CN106857598A CN106857598A CN201710119419.2A CN201710119419A CN106857598A CN 106857598 A CN106857598 A CN 106857598A CN 201710119419 A CN201710119419 A CN 201710119419A CN 106857598 A CN106857598 A CN 106857598A
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- CN
- China
- Prior art keywords
- tobacco
- powdery mildew
- tebuconazole
- rosickyite azoles
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/10—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
- A01N47/18—Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, directly attached to a heterocyclic or cycloaliphatic ring
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
Abstract
The invention discloses a kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco, the compound disinfectant is with rosickyite azoles and Tebuconazole as base-material, according to the compound disinfectant that the quality proportioning 2: 1~1: 4 of rosickyite azoles and Tebuconazole is formulated；The rosickyite azoles is the active compound of mass fraction 98%, and the Tebuconazole is the active compound of mass fraction 97%.The rosickyite azoles of compound disinfectant and the quality proportioning of Tebuconazole of preferred preventing and treating Powdery Mildew in Tobacco are 1: 2.The compound disinfectant of preventing and treating Powdery Mildew in Tobacco of the invention, two kinds of active compound base-materials do not chemically react, and with obvious synergistic effect, use safety, there is a good cytotoxicity for the different types of Powdery Mildew in Tobacco bacterium in current field, and apparently higher than rosickyite azoles or Tebuconazole single dose.It is used to prevent and treat Powdery Mildew in Tobacco suitable for vast rural area.
Description
Technical field
The present invention is relevant with bactericide, specifically, belongs to the bactericide containing organic compound, furthermore, it is understood that belonging to
Prevent and treat the bactericide of Powdery Mildew in Tobacco.The built agent can be killed in crop body and cauline leaf surface in plant to top conduction
Germ.Its sterilization mechanism is mainly the biosynthesis of the ergosterol for suppressing pathogen.To Erysiphe, Puccinia, beak
Spore category, nuclear cavity Pseudomonas and the germ disease of Septoria have prevention effect.
Technical background
Powdery Mildew in Tobacco (Tobacco powdery mildew) is commonly called as " upper ash ", " frost occurs ", " upper nitre ".Causing harm the disease more
Ripe old leaf, develops from bottom to top.Blade is fallen ill, and is just the yellowish-brown stigma of subcircular, and existing white powder dot, makes on rear spot
Scab is in blanket, and patch expands, and white powder is covered with whole blade, and sick leaf elder generation chlorisis browning is rear withered.Cause harm tender stem when serious, disease
Also it is covered with white powder on stem.Thin as a piece of paper after the baking of sick leaf, color secretly becomes rusty brown, loses economic worth.Each cigarette district of China has generation, its
In with south China, southwest and Central China cigarette district it is the most universal, endanger it is also heavier.At present generally can wet-milling, 70% using 20% triadimefon
The Bravo of thiophanate+75% can wet-milling etc. prevented and treated.
Rosickyite azoles is Albendazole (Albendazole), is a kind of efficient, safety, broad spectrum activity imidazoles series bactericidal agent, right
Plurality of plant diseases has significant preventive effect, and has certain production-increasing function, has certain effect to preventing and treating some germs；Tebuconazole
(Tebuconazole), be it is a kind of efficiently, wide spectrum, absorbability triazole type sterilization pesticide, be mercaptan demethylation inhibitor, be for
The Seed Treatment of Important Economic crop or the efficient systemic fungicide of foliage spray.Can effectively preventing cereal crop it is many
Plant rust, powdery mildew, net blotch, root rot, head blight, smut and plant and pass zonate spot, tea tree gall of tea, sigatoka
Deng.
People develop the agricultural chemicals of some preventing and treating Powdery Mildew in Tobacco in recent years, for example：No. ZL991146484《Wettable powder
Bactericide》, No. ZL2012105651461《A kind of method of efficient preventing and treating Powdery Mildew in Tobacco》, No. 2016101995552《It is a kind of
The composition of anti-Powdery Mildew in Tobacco》, No. 2016105328882《A kind of chitinase (EuCHIT2) of the anti-Powdery Mildew in Tobacco of the bark of eucommia
And encoding gene and application》, No. 2016101178405《It is a kind of with the molten bacillus of Powdery Mildew in Tobacco resistance and its application》Deng.
These patented technologies are not prevented and treated using bactericide, and the correlation with the bactericide to Powdery Mildew in Tobacco germ is there is no at present
Application part.
The content of the invention
The present invention is intended to provide a kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco, makes to account for the tobacco of agricultural product critical role
Increasing both production and income, improve quality is the development service of national economy.
Inventor is tried the bulk drug quality proportioning with the Mixed Pharmacy for killing Powdery Mildew in Tobacco bacterium activity repeatedly
Test, result of the test is contrasted, find a kind of compound disinfectant, possess stronger poisoning ability to Powdery Mildew in Tobacco bacterium.
The compound disinfectant of the preventing and treating Powdery Mildew in Tobacco that inventor provides is with rosickyite azoles and Tebuconazole as base-material, according to third
The compound disinfectant that the quality proportioning 2: 1~1: 4 of sulphur azoles and Tebuconazole is formulated；The rosickyite azoles is mass fraction 98%
Active compound, the Tebuconazole is the active compound of mass fraction 97%.
By further preferred, the compound disinfectant raw material rosickyite azoles of Powdery Mildew in Tobacco and the best in quality of Tebuconazole are prevented and treated
Match is 2: 1.
The screening test of the compound disinfectant of above-mentioned preventing and treating Powdery Mildew in Tobacco is as follows：
1 test objective：
To rosickyite azoles, Tebuconazole and its mixed agent to the virulence and formulation screening test of Powdery Mildew in Tobacco, for the compounding is killed
Microbial inoculum is used for field control Powdery Mildew in Tobacco and provides foundation.
2 materials to be tested and assay method
2.1 reagent agents
98% rosickyite azoles (albendazole) active compound, Guizhou Daoyuan Biotechnology Co., Ltd. provides；
97% Tebuconazole (Tebuconazole) mother's medicine, Guizhou road unit biotechnology is limited
Company provides；
2.2 other reagents
The reagents such as glacial acetic acid, acetone, Tween-80.
2.3 for examination target --- Powdery Mildew in Tobacco
Powdery Mildew in Tobacco (Erysiphe cichoracearum DC.), the collection of Liuyang City of Hunan Province Yongan tobacco base,
Indoor Plantlet in vitro and culture.
2.4 condition of culture
24 DEG C of temperature, 1 DEG C of soil, relative humidity 65%-75%.
2.5 key instrument equipment
Electronic balance (sensibility reciprocal 0.lmg), writing brush, intelligent greenhouse, pipette, sprayer etc..
3 toxicity test methods
With reference to the pot-culture method that NY/T1156.4-2006 recommends.Step is as follows：(1) tobacco (Nicotiana glutinosa) seedling is cultivated potted plant,
Moisturizing is for inoculation.(2) medicament configuration：Rosickyite azoles, Tebuconazole are made into mother liquor respectively, then are diluted to series concentration：Rosickyite azoles,
Tebuconazole respectively with appropriate glacial acetic acid and acetone solution, then rosickyite azoles is diluted to 4 with 0.5% Tween 80 aseptic aqueous solution,
8th, 16,32,64mg/L, Tebuconazole is diluted to 8 with 0. aseptic aqueous solution, 16,32,64,128mg/L it is stand-by；5 rosickyite azoles and
(the ratio between active ingredient is respectively 2: 1 to Tebuconazole different ratio；1∶1；1∶2；1∶3；1: 4) first dilute with acetone molten with glacial acetic acid respectively
Liquid dissolves, be then diluted to 5 with the solution containing 0.1% Tween-80,10,20,40,80mg/L series concentrations it is stand-by.(3) medicament
Treatment：The equal Uniform of medicament is sprayed on standby tobacco with sprayer, is dried naturally, if the treatment without medicament is used as blank pair
According to.(4) inoculation and culture:The Powdery Mildew Fresh spores produced in 24h on tobacco leaf of falling ill uniformly are shaken off to be inoculated in place
On the 2-3 leaf phase Potted tobacco seedlings of reason, each 4 basin for the treatment of, per 1 plant of tobacco of basin, i.e., 4 times repetitions.48h inoculations after chemicals treatment,
Continuous illumination/dark each 12h alternatings, 24 DEG C ± 1 DEG C of temperature are placed in, are cultivated under conditions of relative humidity 65%-75%.After inoculation
According to blank incidence after 7d, classification investigation, the following stage divisions of Bian are carried out to inoculation blade：Treat blank
When sick leaf rate reaches more than 50%, the incidence of whole strain blade is investigated in classification, and stage division is：
0 grade：Without any symptom；
1 grade：Lesion area accounts for less than the 5% of inoculation leaf area；
3 grades:Lesion area accounts for the 6%-15% of inoculation leaf area；
5 grades：Lesion area accounts for 16%-the 25% of inoculation leaf area；
7 grades：Lesion area accounts for 26%-the 50% of inoculation leaf area；
9 grades:Lesion area accounts for more than the 50% of inoculation leaf area.
According to survey data, the disease index and prevention effect of each treatment are calculated.Computing formula is：
Ni:The sick numbers of sheets at different levels；
i:With respect to value of series；
N:Investigation total number of sheets.
Then virulence regression equation is asked to calculate the EC of each medicament with DPS software statistics50、EC90, 95% confidence limit, correlation
The co-toxicity coefficient (CTC) of coefficient and mixed agent, selects optimal proportion.
4 result of the tests
Rosickyite azoles, Tebuconazole and 5 difference mixture preparation Bian are carried out into virulence to Powdery Mildew in Tobacco in aforementioned manners respectively
Determine and carry out statistical analysis, it the results are shown in Table 1, from data in table 1, rosickyite azoles, Tebuconazole 5 it is different with compare cigarette
The co-toxicity coefficient of careless powdery mildew is all higher than 120, illustrates that two composite reagents have synergistic effect to Powdery Mildew in Tobacco.Wherein, rosickyite
When azoles, Tebuconazole active ingredient ratio are 1: 2, co-toxicity coefficient highest is 146.30.
The rosickyite azoles of table 1, Tebuconazole and 5 different ratios are to Powdery Mildew in Tobacco toxicity test result
5 conclusions
Toxicity test result shows, the rosickyite azoles of mass fraction 98% and the Tebuconazole of mass fraction 97% 5 are not on year-on-year basis
Example mixture is all higher than 120 to the co-toxicity coefficient of Powdery Mildew in Tobacco, illustrates that two composite reagents can be used to prevent and treat Powdery Mildew in Tobacco, it is contemplated that
Work well.The quality proportioning of selection rosickyite azoles and Tebuconazole is compounded for 1: 2 ratio, it is contemplated that best results.
The compound disinfectant of preventing and treating Powdery Mildew in Tobacco of the invention, two kinds of active compound base-materials do not chemically react, with bright
Aobvious synergistic effect, using safety, has good cytotoxicity for the different types of Powdery Mildew in Tobacco bacterium in current field, and bright
Aobvious is higher than rosickyite azoles or Tebuconazole single dose.It is used to prevent and treat Powdery Mildew in Tobacco suitable for vast rural area.
Specific embodiment
Embodiment 1 takes the rosickyite azoles 8kg of mass fraction 98% and the Tebuconazole 4kg of mass fraction 97% is base-material, compounding
The compound disinfectant of Powdery Mildew in Tobacco is prevented and treated into 12kg.
Embodiment 2 takes the rosickyite azoles 6kg of mass fraction 98% and the Tebuconazole 6kg of mass fraction 97% is base-material, compounding
The compound disinfectant of Powdery Mildew in Tobacco is prevented and treated into 12kg.
Embodiment 3 takes the rosickyite azoles 4kg of mass fraction 98% and the Tebuconazole 8kg of mass fraction 97% is base-material, compounding
The compound disinfectant of Powdery Mildew in Tobacco is prevented and treated into 12kg.
Embodiment 4 takes the rosickyite azoles 3kg of mass fraction 98% and the Tebuconazole 9kg of mass fraction 97% is base-material, compounding
The compound disinfectant of Powdery Mildew in Tobacco is prevented and treated into 12kg.
Embodiment 5 takes the rosickyite azoles 2kg of mass fraction 98% and the Tebuconazole 8kg of mass fraction 97% is base-material, compounding
The compound disinfectant of Powdery Mildew in Tobacco is prevented and treated into 10kg.
Above-mentioned five compound disinfectants are used for 2016 in Guizhou somewhere, obtain the effect of preventing and treating Powdery Mildew in Tobacco very well,
Wherein the quality proportioning of rosickyite azoles and Tebuconazole is the bactericide of 1: 2 ratio compounding, prevents and treats Powdery Mildew in Tobacco best results.
Claims (2)
1. it is a kind of prevent and treat Powdery Mildew in Tobacco compound disinfectant, it is characterised in that the compound disinfectant is with rosickyite azoles and Tebuconazole
It is base-material, according to the compound disinfectant that the quality proportioning 2: 1~1: 4 of rosickyite azoles and Tebuconazole is formulated；The rosickyite azoles is
The active compound of mass fraction 98%, the Tebuconazole is the active compound of mass fraction 97%.
2. according to the compound disinfectant described in claim 1, it is characterised in that the compound disinfectant is with rosickyite azoles and Tebuconazole
It is base-material, according to the compound disinfectant that the quality proportioning 1: 2 of rosickyite azoles and Tebuconazole is formulated；The rosickyite azoles is quality point
The active compound of number 98%, the Tebuconazole is the active compound of mass fraction 97%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119419.2A CN106857598A (en) | 2017-03-02 | 2017-03-02 | A kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710119419.2A CN106857598A (en) | 2017-03-02 | 2017-03-02 | A kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco |
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| Publication Number | Publication Date |
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| CN106857598A true CN106857598A (en) | 2017-06-20 |
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| CN201710119419.2A Withdrawn CN106857598A (en) | 2017-03-02 | 2017-03-02 | A kind of compound disinfectant for preventing and treating Powdery Mildew in Tobacco |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104106580A (en) * | 2014-06-03 | 2014-10-22 | 贵州道元生物技术有限公司 | Compound bactericide for preventing and treating wheat scab |
| CN105792655A (en) * | 2013-11-28 | 2016-07-20 | 龙灯农业化工国际有限公司 | A method of treating fungicidal infections, fungicidal compositions and their use |
-
2017
- 2017-03-02 CN CN201710119419.2A patent/CN106857598A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792655A (en) * | 2013-11-28 | 2016-07-20 | 龙灯农业化工国际有限公司 | A method of treating fungicidal infections, fungicidal compositions and their use |
| CN104106580A (en) * | 2014-06-03 | 2014-10-22 | 贵州道元生物技术有限公司 | Compound bactericide for preventing and treating wheat scab |
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Application publication date: 20170620 |