CN103583539A - Thidiazuron water dispersible granule, and preparation method and application thereof - Google Patents
Thidiazuron water dispersible granule, and preparation method and application thereof Download PDFInfo
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- CN103583539A CN103583539A CN201210295106.XA CN201210295106A CN103583539A CN 103583539 A CN103583539 A CN 103583539A CN 201210295106 A CN201210295106 A CN 201210295106A CN 103583539 A CN103583539 A CN 103583539A
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Abstract
The invention relates to a preparation method for a thidiazuron water dispersible granule and an application method for the thidiazuron water dispersible granule on crops like walnut, sugarcane and kumquat. The thidiazuron water dispersible granule comprises, by mass, 0.1 to 5% of thidiazuron, 4% of sodium dodecyl sulfate, 4% of sodium lignosulfonate, 8% of sodium naphthalene sulfonate and 8% of denatured sodium polyacrylat, with the balance being kaolin. The preparation method comprises the following steps: uniformly mixing raw thidiazuron, sodium dodecyl sulfate, sodium lignosulfonate and sodium naphthalene sulfonate with stirring; carrying out jet milling; carrying out uniform mixing with stirring again; adding a specific amount of a binder and a proper amount of water and carrying out granulation in a rotary fluidized bed and a granulator; and finally, carrying out drying and screening so as to prepare the thidiazuron water dispersible granule. The preparation method for the thidiazuron water dispersible granule is simple; the thidiazuron water dispersible granule has the characteristics of low cost, a high drug effect, easy storage and transportation, safety to crops and the environment. When the thidiazuron water dispersible granule diluted with water to a concentration of 0.5 to 6 mg/L is sprayed on the crops like walnut, sugarcane and kumquat in different growth periods of the crops, the thidiazuron water dispersible granule can regulate growth, improve quality and substantially increase output, needs low cost and is easy and convenient to operate. After popularization and application of the thidiazuron water dispersible granule, good economic benefits, social benefit and environmental and ecological benefits are obtained.
Description
One, technical field
The present invention relates to a kind of novel form-Thidiazuron water dispersible granules of take the plant growth regulator that Thidiazuron is active ingredient and preparation method thereof and the application of its product on the crops such as walnut, sugarcane, cumquat.The invention belongs to technical field of pesticide.
Two, background technology
Raising along with population increase and living standards of the people, increases year by year to the rigid demand of agricultural product, the in the situation that of current Cultivated Land Area Decrease, must improve crop output per area and quality of agricultural product.Compare with traditional farming technology, the advantages such as plant growth regulator product has in agricultural production application that cost is low, fast, the high efficiency of producing effects, safety are good, become agricultural modernization and improved one of important measures of crop yield and quality of agricultural product, having a extensive future in agricultural and forestry production.Over nearly 6 years, plant growth regulator is increasingly extensive in the application of China, demand is the situation increasing year by year, wherein the demand of 2010 is about 3350.15t, compared with 2005, increased 666.39t, amplification is 24.8%, ratio shared in agricultural chemicals is also in steady increase, by 2005 9.5 ‰ increase to 2010 11.1 ‰.
Thidiazuron, chemical name: 1-phenyl-3-(1,2,3-thiadiazoles-5-yl) urea, is called for short TDZ.By German Schering Corp 1976, announce synthetic, find that they can inducing cotton fallen leaves, after being absorbed by plant, can promote the chorista self-assembling formation between petiole and stem and come off, on cotton planting, make defoliant and use.
But the fallen leaves function of Thidiazuron only limits to some kinds of Malvaceae, and other plant is not produced to fallen leaves.After this large amount of basic research is found, Thidiazuron can promote in tissue that catalysis basic element of cell division nucleotide is to the accumulation of the basic element of cell division and synthetic, and further growth and the regeneration of promotion tissue, in numerous species Plant Tissue Breeding at home and abroad, be widely used.In Agricultural University Of South China's patent " method for regulating and controlling blooming period of spring dendrobium stem " (patent No.: ZL 200410015028.9), disclose that solution that application contains Thidiazuron carries out foliage-spray or filling is executed, the induction spring stem of noble dendrobium is bloomed and is improved its quality.
Applicant has completed the agriculture chemical registration (registration card number PD20101353) of product 0.1% Thidiazuron soluble concentrate, in grape is produced, is used widely.But have no improve the yield and quality on for crops such as walnut, sugarcane, cumquats in the agricultural production example of application of the product that contains Thidiazuron active ingredient.
But 0.1% Thidiazuron soluble concentrate, in production, accumulating and application, also exists following shortcoming: first uses a large amount of organic solvents in production, in use may environment be produced and be polluted; The second active constituent content is low; Poor chemical stability during the 3rd storage; Cracky and burning in the 4th storage and transportation; The 5th production cost, packing cost, cost of transportation are all higher; The 6th range of application is less.Therefore, reduce and even do not use organic solvent, improve the drug effect of active constituent content and preparation, reduce environmental pollution, reduce production, packing, cost of transportation, become an important directions of current formulations of pesticide exploitation.Moreover the expansion scope of application, be also the focus in current plant growth regulator exploitation.
Three, summary of the invention
The object of the present invention is to provide a kind of Thidiazuron solid pharmaceutical preparation-water dispersible granules and and preparation method who does not contain organic solvent, high-load.
Another object of the present invention is to provide a kind of this product in crop adjusted such as walnut, sugarcane, cumquats, to grow, improve the using method of quality, increase output.
The object of the invention is to adopt following technical scheme to realize:
Thidiazuron solid pharmaceutical preparation of the present invention is in the former medicine of Thidiazuron, to add wetting agent lauryl sodium sulfate, dispersant sodium lignin sulfonate, diffusant naphthalene sulfonate salt, binding agent denaturated sodium polyacrylate and filler kaolin and the water dispersible granules that makes.
It consists of water dispersible granules involved in the present invention: its mass percent is configured to: Thidiazuron 0.1%～5%, wetting agent lauryl sodium sulfate 4%, dispersant naphthalene sulfonate salt 4%, diffusant sodium lignin sulfonate 8%, binding agent denaturated sodium polyacrylate 8%; The mass percent ratio of described lauryl sodium sulfate, sodium lignin sulfonate, naphthalene sulfonate salt, denaturated sodium polyacrylate is 1: 1: 2: 2; All the other complement to 100% for filler kaolin.
Water dispersible granules preparation method of the present invention is: by the former medicine of Thidiazuron, lauryl sodium sulfate (K
12), naphthalene sulfonate salt (NNO), sodium lignin sulfonate and filler kaolin fully mixes, through air-flow crushing, be again uniformly mixed; add quantitative binding agent and appropriate water; send rotating fluidized bed to simultaneously, comminutor carries out granulation, through super-dry, screening and make.
Thidiazuron involved in the present invention, its English name is Thidiazuron, molecular formula is C
9h
8n
4oS, chemical name is: 1-phenyl-3-(1,2,3-thiadiazoles-5-yl) urea, its structural formula is as follows.
The using method of Thidiazuron water dispersible granules involved in the present invention on the crops such as walnut, sugarcane, cumquat (comprising spraying medicine concentration, dispenser period, insecticide-applying way, spraying times) is: with 0.5-6mg/L concentration, at walnut, sugarcane, cumquat crop different growing stage, spray:
1, walnut: at full-bloom stage (it is more than 50% that the flowers are in blossom), Thidiazuron water dispersible granules is diluted with water to 2-4mg/L and sprays once facing to floral organ with sprayer, can improve the Freezing hardiness of floral organ, promote to bear fruit, increase fruit.
2, sugarcane: sugarcane Early period of cane elongation, Thidiazuron water dispersible granules is diluted with water to 2-4mg/L and with sprayer complete stool, sprays once, every 10 days, by same concentrations, spray once again.The internode elongation that the stem that can increase sugarcane is thick, promote sugarcane, improves plant height.
3, cumquat: initial bloom stage, Thidiazuron water dispersible granules is diluted with water to 1-1.5mg/L and with sprayer complete stool, sprays once, to the secondary florescence, by same concentrations, spray once again.Can promote to bear fruit, increase fruit.
Advantage of the present invention is:
1, active constituent content is high: by 0.1% of soluble liquid, bring up to 0.1%-5%, improve 1-50 doubly, because concentration is high, during storage, chemical stability is good, and processing and storing cost are relatively low.
2, drug effect is high: water dispersible granules fineness evenly, good fluidity, be easy in metering, water that dissolution velocity is fast, active ingredient is scattered in water equably with molecular state, more can give full play to drug effect.
3, packing charges is low, and packing material is easily processed: owing to being solid dosage forms, available plastic film or water-soluble film packing, compare with liquid dosage form, can greatly save packing and traffic expense; With the packing container of crossing, also unlike Packaging Bottle, be difficult to process not cracky and burning in storage and transportation, storing safety.
4, production cost is low, uses safety: because of in this formulation process without the need for machine solvent, production technology is simple, has reduced production cost, also can not produce poisoning because of the use of solvent, has reduced environmental pollution simultaneously, is suitable for grain, vegetables, fruit tree to be used.
5, application more comprehensively: the scope of application expands current representative 3 planting fruit-trees and economic crops to, and drug cost is cheap, easy and simple to handle.
Four, embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment:
1, the preparation of Thidiazuron water dispersible granules
Take Thidiazuron 5.0g; neopelex 4.0g, sodium lignin sulfonate 4.0g, naphthalene sulfonate salt 8.0g; kaolin 71.0g; after mixing, inlet air flow cracker is pulverized, and is again uniformly mixed; add denaturated sodium polyacrylate 8.0g and appropriate water; send rotating fluidized bed to simultaneously, comminutor carries out granulation, through super-dry, sieves and obtain 5% Thidiazuron water dispersible granules.
2,5% Thidiazuron water dispersible granules regulates the grape growth test of pesticide effectiveness
The 5% Thidiazuron water dispersible granules of take is tested as reagent agent regulates the control of grape growth field efficacy, and contrast medicament is 0.1% Thidiazuron soluble concentrate.Reagent agent is established 2mg/L, 3mg/L and tri-concentration of 4mg/L, and 0.1% Thidiazuron soluble concentrate is 4.0mg/L according to recommended density, at grape young fruit period, dips in fruit.The effect of increasing production of three concentration of reagent agent is followed successively by 12.08%, 22.56%, and the effect of increasing production of 19.47%, 0.1% Thidiazuron soluble concentrate is 21.12%.As can be seen here, reagent agent 3mg/L, 4mg/L concentration, the effect of increasing production of its effect of increasing production and 0.1% Thidiazuron soluble concentrate 4.0mg/L concentration is suitable, but its drug cost is only contrast medicament half.
3,5% Thidiazuron water dispersible granules regulates the walnut growth test of pesticide effectiveness
Reagent agent is established 2mg/L, 4mg/L, tri-concentration of 6mg/L; In walnut full-bloom stage, spray once, fruit-setting rate is respectively 71.4%, 75.6%, 62.3%, bears fruit and 60.3% compares with self-sow, and fruit-setting rate has improved respectively 11.1%, 15.3%, 2%.Output increases respectively 20.3%, 35.6%, 9.6%.As can be seen from the test results, reagent agent to walnut improve fruit-setting rate, to increase output effect remarkable.
4,3% Thidiazuron water dispersible granules regulates the sugarcane production test of pesticide effectiveness
Reagent agent is established 2mg/L, 4mg/L, tri-concentration of 6mg/L; In the whole strain of sugarcane Early period of cane elongation, spray once, every 10 days, use same concentration to spray once again, and the sugarcane of self-sow compares, plant height has improved respectively 14.3%, 17.6%, 9.45%; Output has improved respectively 21.3%, 31.2%, 17.5%.As can be seen from the test results, reagent agent can increase the plant height of sugarcane, significantly improves output.
5,0.6% Thidiazuron water dispersible granules regulates the cumquat growth test of pesticide effectiveness
Contrast medicament is 75% gibberellin.Reagent agent is established 0.5mg/L, 1mg/L, tri-concentration of 1.5mg/L, and contrast medicament is 20mg/L according to recommended density.In cumquat initial bloom stage, complete stool is sprayed once; To the cumquat secondary florescence, by same concentrations, spray once again.The fruit-setting rate of reagent agent is respectively 21.2%, 28.6%, 23.4%, and the fruit-setting rate of contrast medicament is 20.3%.The effect of increasing production of reagent agent is respectively 26.7%, 33.5%, 28.9%, and the effect of increasing production of contrast medicament is 23.4%.As can be seen from the test results, reagent agent improve in cumquat fruit-setting rate and effect of increasing production all high with contrast medicament.
Claims (3)
1. a Thidiazuron water dispersible granules, it is characterized in that: this water dispersible granules component and mass percent thereof are configured to: Thidiazuron 0.1%～5%, wetting agent lauryl sodium sulfate 4%, dispersant naphthalene sulfonate salt 4%, diffusant sodium lignin sulfonate 8%, binding agent denaturated sodium polyacrylate 8%, the mass percent ratio of described lauryl sodium sulfate, sodium lignin sulfonate, naphthalene sulfonate salt, denaturated sodium polyacrylate is 1: 1: 2: 2; All the other complement to 100% for filler kaolin.
2. Thidiazuron water dispersible granules as claimed in claim 1; it is characterized in that: this water dispersible granules preparation method is: the former medicine of Thidiazuron, lauryl sodium sulfate (K12), naphthalene sulfonate salt (NNO), sodium lignin sulfonate and filler kaolin are fully mixed; through air-flow crushing; again be uniformly mixed; add quantitative binding agent and appropriate water; send rotating fluidized bed to simultaneously, comminutor carries out granulation, through super-dry, screening and make.
3. Thidiazuron water dispersible granules as claimed in claim 1, the using method on walnut, sugarcane, cumquat, sprays at walnut, sugarcane, cumquat crop different growing stage with 0.5-6mg/L concentration:
(1), walnut: at full-bloom stage (it is more than 50% that the flowers are in blossom), Thidiazuron water dispersible granules is diluted with water to 2-4mg/L and sprays once facing to floral organ with sprayer;
(2), sugarcane: sugarcane Early period of cane elongation, Thidiazuron water dispersible granules is diluted with water to 2-4mg/L and with sprayer complete stool, sprays once, every 10 days, by same concentrations, spray again once;
(3), cumquat: initial bloom stage, Thidiazuron water dispersible granules is diluted with water to 1-1.5mg/L and with sprayer complete stool, sprays once, to the secondary florescence, by same concentrations, spray once again.
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| CN201210295106.XA CN103583539A (en) | 2012-08-13 | 2012-08-13 | Thidiazuron water dispersible granule, and preparation method and application thereof |
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| CN201210295106.XA CN103583539A (en) | 2012-08-13 | 2012-08-13 | Thidiazuron water dispersible granule, and preparation method and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381285A (en) * | 2014-11-13 | 2015-03-04 | 四川省农业科学院生物技术核技术研究所 | Natural plant defoliating agent and preparation method thereof |
| CN108338176A (en) * | 2017-03-31 | 2018-07-31 | 江苏辉丰农化股份有限公司 | A kind of composition pesticide including thiocarbamates compound and Thidiazuron |
| CN115104618A (en) * | 2022-04-25 | 2022-09-27 | 四川国光农化股份有限公司 | Application of plant growth regulator in inhibition of lateral bud and lateral branch of green pepper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239869A (en) * | 2010-05-16 | 2011-11-16 | 青岛奥迪斯生物科技有限公司 | Cotton ripening composition |
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2012
- 2012-08-13 CN CN201210295106.XA patent/CN103583539A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102239869A (en) * | 2010-05-16 | 2011-11-16 | 青岛奥迪斯生物科技有限公司 | Cotton ripening composition |
Non-Patent Citations (4)
| Title |
|---|
| 刘承德等: "新型植物生长调节剂噻苯隆机理作用及应用", 《新疆农垦科技》, no. 2, 31 December 2011 (2011-12-31), pages 63 - 64 * |
| 容科彪: "委员多件提案促成政府决策 阳朔县着力将金桔产业打造成"黄金产业"", 《广西政协报》, 29 July 2010 (2010-07-29), pages 002 * |
| 樊丽娜等: "甘蔗健康种苗繁殖培养基正交试验分析", 《甘蔗糖业》, no. 6, 31 December 2011 (2011-12-31), pages 6 - 10 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104381285A (en) * | 2014-11-13 | 2015-03-04 | 四川省农业科学院生物技术核技术研究所 | Natural plant defoliating agent and preparation method thereof |
| CN104381285B (en) * | 2014-11-13 | 2016-04-20 | 四川省农业科学院生物技术核技术研究所 | Natural plant defoliant and preparation method thereof |
| CN108338176A (en) * | 2017-03-31 | 2018-07-31 | 江苏辉丰农化股份有限公司 | A kind of composition pesticide including thiocarbamates compound and Thidiazuron |
| CN115104618A (en) * | 2022-04-25 | 2022-09-27 | 四川国光农化股份有限公司 | Application of plant growth regulator in inhibition of lateral bud and lateral branch of green pepper |
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Application publication date: 20140219 |