CN1943342A - Control agent for plant botrytis and sclerotium and preparing method - Google Patents
Control agent for plant botrytis and sclerotium and preparing method Download PDFInfo
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- CN1943342A CN1943342A CN 200610048020 CN200610048020A CN1943342A CN 1943342 A CN1943342 A CN 1943342A CN 200610048020 CN200610048020 CN 200610048020 CN 200610048020 A CN200610048020 A CN 200610048020A CN 1943342 A CN1943342 A CN 1943342A
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Abstract
Agrochemical for preventing and treating plant botrytis and sclerotium disease comprises N-(3,5-dichlorophenyl)- succinimide, N-(3,5-dichlorophenyl)- glutarimide, N-(3,5-dichlorophenyl)- hexyldimide; a kind of calcium lignin sulfonate, sodium dibutyl naphthalene sulfonate, sodium lignosulfonate, and tea saponin; a kind of sodium dodecyl sulfonate, and sodium dodecylphenylsulfonate; a kind of diatomite, kaolin, bentonite, and white carbon black. Its production process: (1) reaction of 3, 5-dichloro aniline and succinic acid with the presence of acid catalyst to form cyclic diamide;(2) dilution and then absorption with white carbon black to form base drug; (3)mixing the base drug with carrier and assistant. Advantage - Its advantages are high effect; low poison; broad spectrum; long duration.
Description
Technical field: the present invention relates to a kind of control medicine to plant botrytis and stalk break, particularly a kind of N-(3 that contains, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, the organic medicament of N-(3, the 5-dichlorophenyl)-multiple two anilides of adipimide, and the chemical preparation process of this medicament.
Background technology: gray mold is the disease that takes place along with booth, chamber planting enlarged areas, and especially northern green house tomato is injured seriously, except that the harm tomato, also endangers cucumber, eggplant, pimento, Kidney bean and various vegetables.Due to disease is infected by fungi (Botrytis Cinerea Pers.).The germ conidiophore is upright, and several growing thickly is colourless to brown, and the top has branch 1-2 time, and the branch top gives birth to a large amount of conidiums.Conidium sphere or oval.Sclerotium black, flat mouse is flat-shaped.Occurrence characteristic is: germ, or is left over to survive the winter in the soil and becomes the source of infection in 1 year attached on the invalid body with mycelia or sclerotium or conidium.Conidium survived on invalid body 4-5 month.Germ is by wind and rain, air-flow, farming operation its spread in china such as pour water.Melon, leaf, the conidium of taking generation and the killed male flower of morbidity drop on blade, sugar-preserved gourd stem climing on, but that superinfection passes is sick.The illumination deficiency, high humidity, lower temperature (about 20 ℃) is the essential condition that gray mold spreads.In many times of north successive cloudy days in spring, temperature is on the low side, high humidity in the canopy, and disease is heavy.The Yangtze river basin after mid-March the canopy room temperature between 10-15 ℃, add that spring is rainy, disease spreads rapidly.Temperature is higher than 30 ℃ or be lower than 4 ℃, and relative moisture 94% following disease stops to spread.The petal of wilting is the easiest being infected of most advanced and sophisticated downright bad part than old blade.
At present, the method for preventing and treating to plant botrytis has: (1) removes invalid body.Invalid body is thoroughly removed in the results back, ploughs deeply more than the 20cm, and their early stage is extractd sick flower, sick melon, sick leaf, and is in time buried.(2) strengthen cultivation management.Be not suitable for survival environment to germ, for example in time clear up canopy dusty complexion soil, increase illumination, strengthen ventilation, it is an amount of to water, and notes insulation etc.High temperature season is ploughed deeply in the booth and is poured water, and drags for the face floating thing that anhydrates, and concentrates buried or burns.(3) chemical control.Their early stage begins reagent spray, can select for use 50% speed can 2000 times of liquid of clever wetting powder, or 1500 times of liquid of 50% iprodione wetting powder, or 600 times of liquid of 50% tmtd, or 600 times of liquid of 75% tpn wetting powder, or 500 times of liquid of 50% carbendazol wettable powder, every spray in 7-10 days once, 2-3 time continuously.
Aforementioned (1) (2) though two kinds of comprehensive processing methods respond well, time-consuming, take a lot of work, the cost height, promote difficult.And the control efficiency of chemical method (3) is general, and only about 70%, and cost is also higher.Because bactericide commonly used has used for many years, germ has also produced certain pesticide resistance, so dosing is also increasing in addition.So that develops that new preventive effect is good, cost is low, easy to use prevents and treats gray mold ground bactericide highly significant.
Stalk break is infected by fungi [Sclerotinia sclerotiorum (Lib.) de Bary] and causes a disease, and it is the main disease that threatens various vegetables normal growths such as cucumber, eggplant, tomato, celery, rape, Kidney bean, lettuce, pimento, Chinese cabbage, wild cabbage during protection ground produces.Its form: at early growth period is white, is black afterwards, and the suction back produces 1-30 light brown goblet shape apothecium, and the length of apothecium handle is identical with the sclerotium embedded depth, general 3-15mm, reached at the 6-7cm that has.Produce a lot of ascus and mycelia in the apothecium, ascus is colourless, and club-like launches out vaporific ascospore after the maturation, generally do not produce conidium.
The characteristics of incidence of stalk break is: germ is stayed in the soil with sclerotium or is clipped in and survives the winter in the seed or summer more, with the seed long-distance communications.Sclerotium produced ascus when condition was suitable, and ascus is with the air-flow its spread in china.Spore infects old and feeble blade or petal, and column cap or young melon, field male flower in spite of illness drop on strong leaf or the stem, cause morbidity again, so superinfection.Form sclerotium during inclement condition and fall into that soil is survived the winter, summer more.In north 3-5 month, are suitable for morbidity in southern 2-4 month, 11-12 month.Ascospore can both be sprouted under 0-35 ℃ of condition.Optimum temperature is 15-20 ℃, optimum relative moisture is 98-100%, ascospore is sprouted and is not required that the blade face has moisture film to exist, ascospore is drought-resistant, drying condition is placed six days germination rates down and is still reached 30%, and mycelia all can grow under the 0-30 ℃ of temperature condition of hiding, with 20 ℃ of optimums, mycelia is not drought-resistant, and relative moisture requires more than 85%.The temperature that sclerotium forms requires consistent with mycelial growth.Sclerotium is in bubbly water i.e. death in 30 days.Relative moisture is not generally fallen ill below 65%, but seriously ill on continuous cropping, eggplant stubble or brassicaceous vegetable ground.
The method of preventing and treating also is divided into integrated control and chemical control method:
(1) rice field-upland field rotation or sick field summer soakedly in time plough deeply 20cm after invading two weeks or results.
(2) seed is with 10% salt water rinse 2-3 time, to remove sclerotium.
(3) plastic mulching.
(4) seed and soil disinfection.50 ℃ of water seed soakings 10 minutes, or be made into medicine soil with 40% pcnb before broadcasting, 1 kilogram of every mu of medication adds fine earth 15-20 kilogram, sows after the dispenser.
(5) green house can clever fumicants or 30% chlorothalonil smoke with 10% speed, every mu time 250 gram, or 50% tpn pulvis or the 10% gram powder that goes out dusts, every mu time 1 kilogram, 7-10 days are once, look the state of an illness continuous 3-4 time.
(1)-(4) be the physical control method,, need comprehensively to use though effect better uses a certain method effect bad separately, so then time-consuming, take a lot of work, expensive.And the control efficiency of chemical method is on average about 65%, and the dosage that uses is bigger, the cost height.
Summary of the invention:
Purpose of the present invention just is to develop a kind of new plant botrytis and the control agent of stalk break, both can prevent and treat a kind of in two kinds of diseases separately, also can two kinds of double medicines of controlling and preventing and treating, a kind of control agent process for preparing this plant botrytis and stalk break is provided simultaneously.
The control agent of a kind of plant botrytis of the present invention and stalk break contains N-(3, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-adipimide.This three's coexistence is to prevent and treat plant botrytis or stalk break and the double active ingredient of controlling separately, coexist control plant botrytis or stalk break and the double effect of controlling of three is higher than separately ingredients for preventing and treating plant botrytis or stalk break and the double effect of controlling, and the coexist cost of control agent of preparation three is also low than the cost for preparing active ingredient separately.
Can give full play to for the drug effect that makes above-mentioned active ingredient, further save use cost, to the raising of suspensibility and the raising of wettability, the control agent of a kind of plant botrytis of the present invention and stalk break removes and contains N-(3, the 5-dichlorophenyl)-and succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-adipimide outside, also contain calcium lignosulfonate, draw back powder, sodium lignin sulfonate, Tea Saponin are wherein a kind of; Dodecyl sodium sulfate, neopelex are wherein a kind of; Diatomite, kaolin, boron-moisten soil, white carbon black are wherein a kind of; The percetage by weight of each composition is preferably: N-(3, the 5-dichlorophenyl)-succimide 1.0～30.0%; N-(3, the 5-dichlorophenyl)-glutarimide 1.0～30.0%; N-(3, the 5-dichlorophenyl)-adipimide 1.0～30.0%; Calcium lignosulfonate draws back powder, sodium lignin sulfonate, Tea Saponin wherein a kind of 2.0～5.0%; Dodecyl sodium sulfate, neopelex wherein a kind of 2.0～5.0%; Diatomite, kaolin, boron-moisten soil, white carbon black wherein a kind of 10.0～95.0%.Such selection has rational economy again except that helping to improve the suspension of active ingredient in water, reducing wetting time with the drug effect that improves active ingredient, to reduce production costs, improves the market competitiveness.So the control agent of plant botrytis of the present invention and stalk break except that containing above-mentioned three kinds of coexistence active ingredients, also contains the composition of above-mentioned promotion active ingredient effect.
In the control agent of a kind of plant botrytis of the present invention and stalk break three kinds coexistence active ingredients have directly above-mentioned two kinds of germs to be killed, in ooze therapeutic action, and have long characteristics of the longevity of residure.Former medicine is the light brown solid, and is water-soluble hardly, is soluble in acetone, dissolves in methyl alcohol, ethanol, is insoluble in n-hexane, benzinum, belongs to low toxicity disinfectant (the former medicine male rat acute oral lethal dose of 50 is greater than 2000mg/kg).Calcium lignosulfonate, to draw back powder, sodium lignin sulfonate, Tea Saponin wherein a kind of, fourth, penta, own mixed dibasic acid, kaolin, boron-moisten soil, white carbon black, wherein a kind of adhesive effect that plays filling and improve medicament of talcum powder, and these filler chemical property are stable,, not cheap with the active ingredient chemically reactive.
The preparation method of the active ingredient of the control agent of a kind of plant botrytis of the present invention and stalk break is: press raw material proportioning 3, the 5-dichloroaniline: the weight ratio of fourth, penta, own mixed dibasic acid is 1.0: 0.7～0.9 to prepare burden, add the concentrated sulfuric acid or other Bronsted acid by 2～5 ‰ of the material total amount that accounts for the above two again, as phosphoric acid, hydrochloric acid etc.Carry out dehydration in 150～185 ℃ of temperature ranges, the reaction time is 2.5～4.0 hours.By ethanol (can based on purity 95%): the weight ratio of material gross weight=1.0: 1.5～2.5 be thrown in ethanol in the material of reaction, keep 15～25 ℃ of temperature, stirring and dissolving 1～3 hour.Adsorb with the white carbon black that accounts for inventory (3,5-dichloroaniline and fourth, penta, own mixed dibasic acid) total amount 30～50%.Last adsorbate carries out drying in 30～60 ℃ of temperature ranges.The control water content is not higher than 1.0%.
The yield height of above-mentioned reaction, yield 〉=90%.With active ingredient purity 〉=60% after the white carbon black absorption, prepared former medicine is the light brown solid, water-soluble hardly, be soluble in acetone, dissolve in methyl alcohol, ethanol, be insoluble in n-hexane, benzinum, belong to low toxicity disinfectant (the former medicine male rat acute oral lethal dose of 50 is greater than 2000mg/kg).Fungicidal spectrum is wide, the characteristics that ooze treatment in having and directly kill, the longevity of residure are long.Preparation for former medicine, used 3, the 5-dichloroaniline is a pesticide intermediate, domestic have the number man plant produced, raw material specification content answers 〉=95%, fourth, penta, own mixed dibasic acid are the by product that produces in the manufacturer production adipic acid product processes such as Liaoyang petro-chemical fiber company, are the mixture of succinic acid, glutaric acid, adipic acid, its three's content sum 〉=90%.The concentrated sulfuric acid, white carbon black, 95% ethanol are buied from the market and are got final product, and three kinds of active ingredients need not be separated in the composite, and chromatography of gases the analysis showed that: three kinds of components content is separately pressed said sequence respectively between 35-40%, 25-30%, 25-30%.This composite not only good drug efficacy, fungicidal spectrum is wide, residual effect is long, and has utilized chemical by-product, greatly reduces cost.Whole synthesis technique does not have waste water, waste residue, exhaust gas discharging, meets the trend of cleaner production.Owing to used by product fourth, penta, own mixed dibasic acid, also opened up new application to by product.Dried product is pulverized, and preferably is crushed to its fineness for forming former medicine product by 43 μ m sieve 〉=95% (320 order).
For the drug effect that makes above-mentioned active ingredient can further be brought into play, can conveniently use, reduce peasant's use cost again, by weight percentage with the former medicine N-(3 of above-mentioned three kinds of active ingredients, the 5-dichlorophenyl)-succimide 1～3%, N-(3, the 5-dichlorophenyl)-and glutarimide 1～3%, N-(3, the 5-dichlorophenyl)-adipimide 1～3%; Calcium lignosulfonate draws back powder, wherein a kind of content 2～5% of sodium lignin sulfonate, Tea Saponin; Wherein a kind of content 2～5% of dodecyl sodium sulfate, neopelex; Diatomite, kaolin, boron-moisten soil, white carbon black, wherein a kind of content 10～95% of talcum powder are prepared burden.Batching is mixed pulverizing, preferably be crushed to its fineness, form formulation products for by 43 μ m sieve 〉=95% (320 order).
This said goods that contains effective composition, dispersant and filler can be respectively light brown, khaki, light yellow etc. according to filler different.Three kinds of total content of effective of coexistence are 3～90% in the preparation, suspensibility 〉=70%, and moistening time≤120 second, pH value 5.0～7.0, fineness be for by 43 μ m sieve 〉=95%, in its water insoluble and organic facies, is even suspension in water.
The control agent active ingredient N-(3 of a kind of plant botrytis of the present invention and stalk break, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-and adipimide Determination on content method employing chromatography of gases or liquid chromatography, the detached peaks of three kinds of active ingredients is obvious, and retention time is stable.
The using method of the control agent of a kind of plant botrytis of the present invention and stalk break is a liquid spray method, when morbidity, preparation is converted water spray, according to the different concentration differences of spraying of active constituent content, usage amount is 40～60 gram/mus, 7～10 days at interval, spray again once with identical dosage, spray altogether 1～2 time.
The control agent of a kind of plant botrytis of the present invention and stalk break and the advantage of method for making thereof are:
It all has control efficiency efficiently for the gray mold and the stalk break of plant (for example cucumber, eggplant, pimento, Kidney bean and various vegetables), not only can prevent and treat wherein a kind of disease separately, and anti-double the controlling of can holding concurrently, have wide spectrum, efficient, characteristics that the lasting period is long.And have direct sterilization, in ooze the effect of treatment.
The method for making advantage of the control agent of a kind of plant botrytis of the present invention and stalk break is that raw material is easy to get, and utilized the by product (mixture of succinic acid, glutaric acid, adipic acid) that large, long linearize chemical product produces thus reduced cost, opened up a new application approach for by product fourth, penta, own mixed dibasic acid, solved the pollution that by product fourth, penta, the own stacking that mixes diacid may bring simultaneously environment.In addition, technological process involved in the present invention is fairly simple, and equipment investment is little, does not have " three wastes " discharging, meets the requirement of cleaner production.
The control agent of a kind of plant botrytis of the present invention and stalk break belongs to the low toxicity bactericide, the cost of its former medicine is low, easy to use by the preparation that former medicine is made, the effect of control plant botrytis and stalk break is more than 90%, cost is lower than above chemical method commonly used, every mu of each cost is lower than 2.0 yuan, has good economy and social benefit.
Embodiment:
Following example is described further the preparation and the using method of the control agent of a kind of plant botrytis of the present invention and stalk break, will help the present invention and advantage thereof are done further understanding.Protection scope of the present invention is not subjected to the qualification of these examples.
Example 1
Take by weighing the 60% 3 kind of active ingredient N-(3 that contains of drying that the preparation method with following example makes, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-and 10 kilograms of adipimides, be crushed to its fineness for by 43 μ m sieve 〉=95%, form product.
Its method for making is:
By 3, the weight ratio of 5-dichloroaniline and fourth, penta, own mixed dibasic acid is to prepare burden at 1: 0.8,3 ‰ adds the concentrated sulfuric acids by what account for these two kinds of material gross weights, reacts 3 hours under 175 ℃ of temperature, till anhydrous generation.In in the system that reaction finishes, adding 95% ethanol, keep 20 ℃ of temperature, stirring and dissolving 2 hours with 1: 1.5 ratio of the above two material gross weights.Liquid after the gained dissolving is adsorbed with the white carbon black that accounts for inventory (3,5-dichloroaniline and fourth, penta, own mixed dibasic acid) 40%, above-mentioned white carbon black adsorbate is carried out drying under 33～40 ℃ of temperature.
Example 2
66.2 kilograms of the former medicines that to contain above-mentioned three kinds of active constituent contents be 60% (percetage by weight) that takes by weighing that example 1 prepares, 4 kilograms of sodium lignin sulfonates, 3.8 kilograms of dodecyl sodium sulfates, bentonite mixes for 26 kilograms, is crushed to its fineness for make the product of this example by 43 μ m sieve 〉=95%.
The application of use-case 1, example 2 products
The crop that is for experiment: tomato
The dispenser phase: first period of disease (gray mold)
Spraying area: 224 square metres
Blank: 224 square metres
With example two prepared product thin up to 1000 times liquid, consumption 25 grams carry out the liquid level spraying, spray once every 7 days again.
The investigation of table 1. graw mold of tomato control efficiency
| Handle | Dose (doubly) | Investigation strain number | Before the dispenser (June 25) | After the dispenser (July 9) | After the dispenser (July 16) | |||
| The incidence of disease (%) | Disease index | Disease index | Control efficiency (%) | Disease index | Control efficiency (%) | |||
| 40% content preparation of the present invention | 1000 | 80 | 7.5 | 0.86 | 1.34 | 91.0 | 2.73 | 93.1 |
| Blank | 80 | 6.3 | 0.75 | 5.42 | 11.53 | |||
Example 3
66.2 kilograms of the former medicines that to contain above-mentioned three kinds of active constituent contents be 60% (percetage by weight) that takes by weighing that example 1 prepares, 4 kilograms of sodium lignin sulfonates, 3.8 kilograms of dodecyl sodium sulfates, bentonite mixes for 26 kilograms, is crushed to its fineness for make the product of this example by 43 μ m sieve 〉=95%.
Use the application of this example product:
The crop that is for experiment: rape
The dispenser phase: first period of disease (stalk break)
Spraying area: 224 square metres
Blank: 224 square metres
With example 3 prepared product thin up to 1000 times liquid, consumption 25 grams carry out the liquid level spraying, spray once every 7 days again.
The investigation of table 2. sclerotinia rot of colza control efficiency
| Handle | Dose (doubly) | Investigation strain number | Before the dispenser (June 7) | After the dispenser (June 22) | After the dispenser (June 29) | |||
| The incidence of disease (%) | Disease index | Disease index | Control efficiency (%) | Disease index | Control efficiency (%) | |||
| 40% content preparation of the present invention | 1000 | 80 | 8.4 | 0.84 | 1.38 | 90.5 | 1.24 | 92.8 |
| Blank | 80 | 7.5 | 0.70 | 5.42 | 11.53 | |||
Example 4
66.2 kilograms of the former medicines that to contain above-mentioned three kinds of active constituent contents be 60% (percetage by weight) that takes by weighing that example 1 prepares, 4 kilograms of sodium lignin sulfonates, 3.8 kilograms of dodecyl sodium sulfates, bentonite mixes for 26 kilograms, is crushed to its fineness for make the product of this example by 43 μ m sieve 〉=95%.
Use the application of this example product:
The crop that is for experiment: cucumber
The dispenser phase: first period of disease (gray mold, stalk break)
Spraying area: 224 square metres
Blank: 224 square metres
With example 4 prepared product thin up to 1000 times liquid, consumption 25 grams carry out the liquid level spraying, spray once every 7 days again.
The investigation of table 2. sclerotinia rot of colza control efficiency
| Handle | Dose (doubly) | Investigation strain number | Before the dispenser (June 7) | After the dispenser (June 22) | After the dispenser (June 29) | |||
| The incidence of disease (%) | Disease index | Disease index | Control efficiency (%) | Disease index | Control efficiency (%) | |||
| 40% content preparation of the present invention | 1000 | 80 | 9.4 | 0.84 | 1.29 | 92.0 | 1.63 | 94.1 |
| Blank | 80 | 8.5 | 0.82 | 6.32 | 12.43 | |||
Example 5
By 3, the weight ratio of 5-dichloroaniline and fourth, penta, own mixed dibasic acid is to prepare burden at 1: 0.7,2 ‰ adds the concentrated sulfuric acids by what account for these two kinds of material gross weights, reacts 4 hours under 155 ℃ of temperature, till anhydrous generation.In in the system that reaction finishes, adding 93% ethanol, keep 15 ℃ of temperature, stirring and dissolving 3 hours with 1: 2 ratio of the above two material gross weights.Liquid after the gained dissolving is adsorbed with the white carbon black that accounts for inventory (3,5-dichloroaniline and fourth, penta, own mixed dibasic acid) 50%, above-mentioned white carbon black adsorbate is carried out drying under 45～50 ℃ of temperature.[N-(3 to take by weighing the three kinds of active ingredients that contain of the drying made from above-mentioned preparation method, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-and adipimide] 10 kilograms, be crushed to its fineness for by 43 μ m sieve 〉=95%, form product.
Example 6
By 3, the weight ratio of 5-dichloroaniline and fourth, penta, own mixed dibasic acid is to prepare burden at 1: 0.9,5 ‰ adds the concentrated sulfuric acids by what account for these two kinds of material gross weights, reacts 2.5 hours under 185 ℃ of temperature, till anhydrous generation.In in the system that reaction finishes, adding 96% ethanol, keep 25 ℃ of temperature, stirring and dissolving 1 hour with 1: 2.5 ratio of the above two material gross weights.Liquid after the gained dissolving is adsorbed with the white carbon black that accounts for inventory (3,5-dichloroaniline and fourth, penta, own mixed dibasic acid) 30%, above-mentioned white carbon black adsorbate is carried out drying under 55～60 ℃ of temperature.[N-(3 to take by weighing the three kinds of active ingredients that contain of the drying made from above-mentioned preparation method, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-and adipimide] 10 kilograms, be crushed to its fineness for by 43 μ m sieve 〉=95%, form product.
Claims (6)
1. the control agent of plant botrytis and stalk break is characterized in that containing N-(3, the 5-dichlorophenyl)-succimide, N-(3, the 5-dichlorophenyl)-glutarimide, N-(3, the 5-dichlorophenyl)-adipimide.
2. the control agent of a kind of plant botrytis according to claim 1 and stalk break is characterized in that also containing calcium lignosulfonate, draws back powder, sodium lignin sulfonate, Tea Saponin be wherein a kind of; Dodecyl sodium sulfate, neopelex are wherein a kind of; Diatomite, kaolin, boron-moisten soil, white carbon black are wherein a kind of.
3. the control agent of a kind of plant botrytis according to claim 2 and stalk break is characterized in that the percetage by weight of each composition is: N-(3, the 5-dichlorophenyl)-succimide 1.0～30.0%; N-(3, the 5-dichlorophenyl)-glutarimide 1.0～30.0%; N-(3, the 5-dichlorophenyl)-adipimide 1.0～30.0%; Calcium lignosulfonate draws back powder, sodium lignin sulfonate, Tea Saponin wherein a kind of 2.0～5.0%; Dodecyl sodium sulfate, neopelex wherein a kind of 2.0～5.0%; Diatomite, kaolin, boron-moisten soil, white carbon black wherein a kind of 10.0～93.0%.
4. the preparation method of the control agent of plant botrytis and stalk break is characterized in that:
(1) raw material is by 3, and 5-dichloroaniline and the weight ratio of fourth, penta, own mixed dibasic acid are 1.0: 0.7～0.9 to mix;
(2) add the concentrated sulfuric acid or other Bronsted acid by 2～5 ‰ of above-mentioned material total amount;
(3) in 150～185 ℃ of temperature ranges, carry out dehydration, 2.5～4.0 hours reaction time;
(4) by ethanol: the weight ratio of material gross weight=1.0: 1.5～2.5 is thrown in ethanol in the material of reaction, keeps 15～25 ℃ of temperature, stirring and dissolving 1～3 hour;
(5) amount with material total amount 30～50% adds white carbon black absorption;
(6) last adsorbate carries out drying in 30～60 ℃ of temperature ranges.
5. the preparation method of the control agent of a kind of plant botrytis according to claim 4 and stalk break is characterized in that pulverizing after the drying, is crushed to fineness for sieving 〉=95% by 43 μ m.
6. the preparation method of the control agent of a kind of plant botrytis according to claim 5 and stalk break is characterized in that above-mentioned former medicine becomes preparation with additive compound.
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| CN101434997B (en) * | 2008-12-23 | 2011-02-16 | 华中农业大学 | Early stage rapid molecular detection method for rape sclerotinia rot |
| CN102391954A (en) * | 2011-10-26 | 2012-03-28 | 厦门大学 | Sterilizing method of spherical phaeocystis culture solution |
| CN106171464A (en) * | 2016-07-28 | 2016-12-07 | 台州市农业科学研究院 | A kind of prevention and controls of production of hybrid seeds Caulis et Folium Brassicae capitatae sclerotiniose |
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- 2006-10-12 CN CN 200610048020 patent/CN1943342A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101434997B (en) * | 2008-12-23 | 2011-02-16 | 华中农业大学 | Early stage rapid molecular detection method for rape sclerotinia rot |
| CN102391954A (en) * | 2011-10-26 | 2012-03-28 | 厦门大学 | Sterilizing method of spherical phaeocystis culture solution |
| CN102391954B (en) * | 2011-10-26 | 2014-12-10 | 厦门大学 | Sterilizing method of spherical phaeocystis culture solution |
| CN106171464A (en) * | 2016-07-28 | 2016-12-07 | 台州市农业科学研究院 | A kind of prevention and controls of production of hybrid seeds Caulis et Folium Brassicae capitatae sclerotiniose |
| CN106171464B (en) * | 2016-07-28 | 2018-03-02 | 台州市农业科学研究院 | A kind of prevention and controls of production of hybrid seeds broccoli sclerotiniose |
| CN111704569A (en) * | 2020-07-27 | 2020-09-25 | 江西禾益化工股份有限公司 | Method for synthesizing dimethachlon |
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