CN106857533A - A kind of method for preventing and treating crops gray mold - Google Patents
A kind of method for preventing and treating crops gray mold Download PDFInfo
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- CN106857533A CN106857533A CN201710147243.1A CN201710147243A CN106857533A CN 106857533 A CN106857533 A CN 106857533A CN 201710147243 A CN201710147243 A CN 201710147243A CN 106857533 A CN106857533 A CN 106857533A
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- Prior art keywords
- pyrimethanil
- carvacrol
- gray mold
- preventing
- crops gray
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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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- 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
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/08—Oxygen or sulfur directly attached to an aromatic ring system
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A kind of cultural control applied technical field of the present invention, and in particular to method of preventing and treating crops gray mold, comprises the following steps：(1) composition pesticide is prepared：By farm chemical ingredients pyrimethanil and carvacrol according to 10 100:1 weight is configured to agriculturally acceptable suspending agent than mixture.(2) described composition pesticide is diluted 500 1000 times, is spaced after crops gray mold early stage spraying treatment, the 1st spraying and sprayed again within 7 days 1 time, altogether using 2 times.Synergistic of the present invention significantly, can reduce the amount of application of each single dose, improve prevention effect, reduce pesticide cost.
Description
Technical field
The present invention relates to cultural control applied technical field, a kind of specific method for preventing and treating crops gray mold.
Background technology
During crop growth, easily by various disease infestations, for a long time, chemical prevention is controlling disease master
The effective means wanted.In recent years, due to single drug and Irrational Use of Drugs, many diseases are already led to and generates the resistance to the action of a drug, such as
Gray mold etc., has become a great problem of chemical prevention.Meanwhile, frequent medication causes increase and the ring of peasant's drug cost again
The aggravation of border pollution.
Plants essential oil is that the class extracted from plant has aromatic odor, and with certain volatile oily
Liquid general name.Many plants essential oils are belonging to natural perfume components, and U.S. FDA is generally using plants essential oil as " it is generally acknowledged that peace
Full material " (Generally Recognized As Safe, GRAS) is used.Due to plants essential oil have it is good antibacterial
And antioxidation activity, paid close attention to by domestic and international researcher.Carvacrol, English name is：Carvacrol, is plant wild marjoram
Extract, have the colourless oil liquid of thymol smell.Relevant report of the carvacrol in agricultural application is had at present, is such as pacified
Learn forever, Dong Fang is delivered《Prevention effect of 5% carvacrol to pepper powdery mildew》There is preferable prevention effect to pepper powdery mildew,
The usage amount of chemical pesticide can be effectively reduced, residues of pesticides are advantageously reduced.
Pyrimethanil, English name is：Pyrimethanil, anilino-pyrimidine series bactericidal agent, has special efficacy to gray mold.Dispenser
The positions such as flower, the young fruit of plant relatively rapid can be reached afterwards.Its bactericidal action mechanism is unique, by suppressing dividing for infection process enzyme
Secrete so as to prevent infection process, and kill germ, with protection and therapeutic action, while having interior suction and fumigation action.
Chemical bactericide pyrimethanil is used because single for a long time, and ash arrhizus bacteria produces larger resistance to it so that produced
Product consumption is increased, and prevention effect is undesirable.And in agricultural production, compounded by the active ingredient of different mechanism of action,
It is to delay disease to develop immunity to drugs conventional method, and effect in production application judges that this compounding is synergy
Effect or antagonism.Synergy is significantly formulated, and can significantly improve preventive effect, substantially reduces the dosage of agricultural chemicals, and raising is killed
Bacterium efficiency.
At present, it is made mixture by using by the composition carvacrol mixture of pyrimethanil and plant source, and by the mixture
Research for preventing and treating crops gray mold is not seen in report.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of method for preventing and treating crops gray mold, can significantly improve medicine
Effect, reduces spraying times and dosage, delays the generation of germ resistance, reduces pesticide cost.
The present invention realizes that above-mentioned purpose is adopted the technical scheme that：A kind of method for preventing and treating crops gray mold, including
Following steps：
(1) composition pesticide is prepared：By farm chemical ingredients pyrimethanil and carvacrol according to 10-100:1 weight is matched somebody with somebody than mixture
It is made agriculturally acceptable suspending agent.
(2) described composition pesticide is diluted 500-1000 times, in crops gray mold early stage spraying treatment, the
It is spaced after 1 spraying and is sprayed again within 7 days 1 time, altogether using 2 times.
Described pyrimethanil percentage by weight in the composition is 5-25%, carvacrol weight percent in the composition
Than being 0.2-1.0%.
Preferred weight ratio is 40 in the composition for described pyrimethanil and carvacrol:1.
The adjuvant of the addition of described composition pesticide include solvent, emulsifying agent, stabilizer, defoamer, thickener or
Other are beneficial to the known substance that active ingredient is stablized in the formulation and drug effect is played, and are commonly used or fair in field of pesticide preparation
Perhaps the various composition for using.
Compared with prior art, the present invention possesses following technique effect：
(1) this method is cooperateed with during disease control and increased by the medicament using pyrimethanil and carvacrol scientific matching
Effect is notable, can reduce the amount of application of each single dose, improves prevention effect, reduces pesticide cost.
(2) active ingredient pyrimethanil, carvacrol are different to the mechanism of action of gray mold in the preparation that this method is used, and can have
Effect delays the resistance of disease, extends the life cycle of common dosage forms pyrimethanil, is conducive to the comprehensive regulation of insect.
Specific embodiment
Technical scheme and technique effect are described further below in conjunction with specific embodiment is determined, this hair
Bright described percentage is weight percentage.
First, Assays Example：Pyrimethanil and carvacrol compounding are to graw mold of tomato Toxicity Determination
After determining the effective inhibition concentration scope of each medicament through prerun, each medicament is set 5 agent by active constituent content respectively
Amount gradient treatment, if clear water is compareed.Reference《Farm-chemical indoor determination test rule bactericide》Carry out, using mycelial growth speed
Rate method determines virulence of the medicament to graw mold of tomato.Colony diameter is measured with crossing method after 72h, the net growth of each treatment is calculated
Amount, mycelial growth inhibition rate.
Mycelial growth inhibition rate is converted into probit value (y), liquor strength (μ g/mL) is converted into logarithm value (x), with minimum
Square law tries to achieve virulence regression equation (y=a+bx), and thus calculates the EC of every kind of medicament50Value.Simultaneously according to the abundant methods of Sun Yun
Co-toxicity coefficient method (CTC) evaluate the synergistic effect of pharmacy mix, i.e. CTC≤80, composition shows as antagonism, when 80
＜ CTC ＜ 120, composition shows as summation action, and when CTC >=120, composition shows as synergistic effect.
Result of the test is shown in Table 1.
The toxicity test analysis of results table of the pyrimethanil of table 1, carvacrol and its mixture to graw mold of tomato
| Reagent agent | Proportioning | Regression equation (y=a+bx) | Coefficient correlation | Co-toxicity coefficient | |
| Pyrimethanil (A) | / | Y=4.1681+1.5639x | 0.9971 | 3.40 | / |
| Carvacrol (B) | / | Y=4.8566+1.4728x | 0.9981 | 1.25 | / |
| A：B | 10:1 | Y=4.4996+1.4480x | 0.9945 | 2.22 | 132.8 |
| A：B | 20:1 | Y=4.4836+1.5154x | 0.9940 | 2.19 | 143.5 |
| A：B | 40:1 | Y=4.6535+1.5084x | 0.9934 | 1.70 | 192.5 |
| A：B | 50:1 | Y=4.5278+1.4601x | 0.9978 | 2.11 | 156.4 |
| A：B | 60:1 | Y=4.5591+1.4445x | 0.9966 | 2.02 | 163.9 |
| A：B | 80:1 | Y=4.5042+1.4155x | 0.9942 | 2.24 | 148.8 |
| A：B | 100:1 | Y=4.5090+1.3861x | 0.9934 | 2.26 | 148.0 |
| A：B | 1:1 | Y=4.6021+1.5182x | 0.9972 | 1.83 | 100.1 |
| A：B | 1:5 | Y=4.5777+1.5367x | 0.9968 | 1.88 | 74.3 |
As shown in Table 1, the EC of pyrimethanil, carvacrol to graw mold of tomato50Respectively 3.40 μ g/mL and 1.25 μ g/mL.It is phonetic
Both mould amine and carvacrol are in 10-100:Mixture in the range of 1, co-toxicity coefficient (CTC) is all higher than 120, shows obvious increasing
Effect is acted on.Wherein, both are 40：Mixture in the range of 1, co-toxicity coefficient is maximum, and synergy is the most notable.Prove pyrimethanil and carvacrol
Mixture has reasonability and feasibility.
2nd, embodiment is prepared
Embodiment 1：20.5% pyrimethanil carvacrol suspending agent
Pyrimethanil 20%, carvacrol 0.5%, AEO 3.5% (emulsifying agent), dodecyl are weighed according to quantity
Benzene sulfonic acid calcium 5% (dispersant), tristyrylphenol polyoxyethylene ether (emulsifying agent) the 3%, (froth breaking of epoxidized soybean oil 1%
Agent), glycerine (antifreezing agent) 0.5%, deionized water complements to 100%.During above-mentioned formula sequentially added into mixing kettle in proportion, warp
Stirred after high shear and 20.5% pyrimethanil carvacrol suspending agent is obtained.
Embodiment 2：5.2% pyrimethanil carvacrol suspending agent
Pyrimethanil 5%, carvacrol 0.2%, polyoxyethylene carboxylate 5%, Sodium Polyacrylate 2%, 12 are weighed according to quantity
Alkyl benzene sulphonate 4%, silicone oil 0.1%, polyvinyl alcohol 1%, phenyl phenol polyoxyethyl ether 2%, deionized water adds to 100%, mixes
5.2% pyrimethanil carvacrol suspending agent is obtained through grinding and high speed shear after closing uniformly.
Embodiment 3：26% pyrimethanil carvacrol suspending agent
Pyrimethanil 25%, carvacrol 1%, sodium lignin sulfonate 4%, spaonin powder 5%, silicone compound are weighed according to quantity
0.1%th, xanthan gum 0.2%, ethylene glycol 2%, alkyl benzene calcium sulfonate 2%, deionized water adds to 100%, is passed through after being well mixed
Grinding and high speed shear are obtained 26% pyrimethanil carvacrol suspending agent.
Embodiment 4：20.2% pyrimethanil carvacrol suspending agent
Pyrimethanil 20%, carvacrol 0.2%, sodium lignin sulfonate 4%, spaonin powder 5%, silicone chemical combination are weighed according to quantity
Thing 0.1%, xanthan gum 0.2%, ethylene glycol 2%, alkyl benzene calcium sulfonate 2%, deionized water adds to 100%, after being well mixed
Ground and high speed shear is obtained 20.2% pyrimethanil carvacrol suspending agent.
3rd, field test Application Example
Embodiment 1:Preparing the preparation of the gained of embodiment 1 is used to prevent and treat the gray mold of cucumber test of pesticide effectiveness
This EE investigates state of an illness radix, total number of sheets, the sick number of sheets and sick leaf-size class number, examination in Nanning suburbs, before medicine
Test using conventional spray-on process, respectively at early stage dispenser, after the 1st dispenser 7 days again dispenser once, dispenser 2 times altogether, last is applied
7 days after medicine, disease index is investigated within 14 days respectively and preventive effect is calculated.
Experimental result is shown in Table 2.
The preparation that table 2 prepares the gained of embodiment 1 is used to prevent and treat the gray mold of cucumber test of pesticide effectiveness
As can be seen from Table 2, the composition spray by being compounded with carvacrol using pyrimethanil can effectively control cucumber ash
Mildew, prevention effect is superior to comparison medicament, advantageously reduces the usage amount of each single dose, advantageously reduces pesticide cost.
Embodiment 2:Preparing the preparation of the gained of embodiment 2 is used to prevent and treat the graw mold of tomato test of pesticide effectiveness
This EE started the 1st dispenser in Nanning suburbs on June 20th, 2016, and the state of an illness is investigated before medicine
Radix, total number of sheets, the sick number of sheets and sick leaf-size class number, experiment uses conventional spray-on process, in early stage dispenser, 7 days after the 1st dispenser
Dispenser 1 time again, altogether dispenser 2 times 7 days after last dispenser, investigates disease index for 14 days and calculates preventive effect, as a result such as table 3 respectively.
The preparation that table 3 prepares the gained of embodiment 2 is used to prevent and treat graw mold of tomato test of pesticide effectiveness statistical form
As can be seen from Table 3, this method is by using pyrimethanil and the rational mixture of carvacrol, can effectively prevent and treat tomato ash
The development of mildew, prevention effect is superior to comparison medicament, improves actual prevention effect, reduces drug cost, is conducive to prolonging
Slow Disease Resistance development.
In sum, this method by the composition pesticide for preparing pyrimethanil and carvacrol rational mixture for preventing
Crops gray mold is controlled, drug effect can be significantly improved, drug cost is reduced, its integrated control effect is not the letter of each component activity
Single superposition, compared with existing unitary agent, with significant bactericidal effect, and has significant synergistic effect, can delay disease
The generation of bacterium resistance, it is good to crop safety, meet the comprehensive regulation requirement of cultural control.
Claims (3)
1. it is a kind of prevent and treat crops gray mold method, it is characterised in that comprise the following steps：
(1) composition pesticide is prepared：By farm chemical ingredients pyrimethanil and carvacrol according to 10-100:1 weight is configured to than mixture
Agriculturally acceptable suspending agent；
(2) described composition pesticide is diluted 500-1000 times, in crops gray mold early stage spraying treatment, the 1st time
Interval is sprayed 1 time for 7 days again after spraying, altogether using 2 times.
2. the method for preventing and treating crops gray mold according to claim 1, it is characterised in that pyrimethanil is in the composition
Percentage by weight is 5-25%, and carvacrol percentage by weight in the composition is 0.2-1.0%.
3. it is according to claim 1 preventing and treating crops gray mold method, it is characterised in that pyrimethanil and carvacrol are in group
Weight ratio in compound is 40:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710147243.1A CN106857533A (en) | 2017-03-13 | 2017-03-13 | A kind of method for preventing and treating crops gray mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710147243.1A CN106857533A (en) | 2017-03-13 | 2017-03-13 | A kind of method for preventing and treating crops gray mold |
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| Publication Number | Publication Date |
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| CN106857533A true CN106857533A (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710147243.1A Pending CN106857533A (en) | 2017-03-13 | 2017-03-13 | A kind of method for preventing and treating crops gray mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109006855A (en) * | 2018-07-20 | 2018-12-18 | 广西南宁益土生物科技有限责任公司 | A kind of Pesticidal combination containing sulfoxaflor and carvacrol |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053529A (en) * | 2012-12-29 | 2013-04-24 | 广东中迅农科股份有限公司 | Carvacrol-fluazinam pesticide composition |
| CN103889236A (en) * | 2011-10-04 | 2014-06-25 | 赛达国际公司 | Method for the fungicidal and/or bactericidal treatment of resistant strains using essential oils |
| CN105230627A (en) * | 2015-11-18 | 2016-01-13 | 青岛瀚生生物科技股份有限公司 | Sterilization composition containing dimethirimol and pyrimethanil and application thereof |
-
2017
- 2017-03-13 CN CN201710147243.1A patent/CN106857533A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103889236A (en) * | 2011-10-04 | 2014-06-25 | 赛达国际公司 | Method for the fungicidal and/or bactericidal treatment of resistant strains using essential oils |
| CN103053529A (en) * | 2012-12-29 | 2013-04-24 | 广东中迅农科股份有限公司 | Carvacrol-fluazinam pesticide composition |
| CN105230627A (en) * | 2015-11-18 | 2016-01-13 | 青岛瀚生生物科技股份有限公司 | Sterilization composition containing dimethirimol and pyrimethanil and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109006855A (en) * | 2018-07-20 | 2018-12-18 | 广西南宁益土生物科技有限责任公司 | A kind of Pesticidal combination containing sulfoxaflor and carvacrol |
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Application publication date: 20170620 |