CN106954633A - A kind of cotton defoliant and preparation method thereof - Google Patents
A kind of cotton defoliant and preparation method thereof Download PDFInfo
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- CN106954633A CN106954633A CN201710180147.7A CN201710180147A CN106954633A CN 106954633 A CN106954633 A CN 106954633A CN 201710180147 A CN201710180147 A CN 201710180147A CN 106954633 A CN106954633 A CN 106954633A
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- cotton
- defoliant
- defoamer
- thidiazuron
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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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
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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)
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- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of cotton defoliant and preparation method thereof, the cotton defoliant includes following component by weight：2 20 parts of 5 25 parts of Thidiazuron, 2 20 parts of pyrithiobac-sodium, 1 20 parts of forchlorfenuron, 10 40 parts of organobentonite, 3 15 parts of wetting dispersing agent, 1 10 parts of defoamer and deionized water.Preparation method is first to remove ionized water and be added in Thidiazuron to dilute, pyrithiobac-sodium and forchlorfenuron are added, organobentonite powder is added in mixed liquor afterwards, at last specific temperature, wetting dispersing agent, defoamer are sequentially added while stirring, and finished product of the present invention is obtained after being uniformly mixed.The cotton defoliant raw material sources of the present invention are extensive, low cost, and prepare simply, can reduce pollution of the blade to machine pick cotton, improve the quality and efficiency of mechanization cotton picking operation, blade is come off under dark green state, may additionally facilitate growing for cotton fiber, reach the purpose of volume increase.
Description
Technical field
The present invention relates to proportion of crop planting production field, more particularly, to a kind of cotton defoliant and preparation method thereof.
Background technology
Cotton is the main industrial crops of China, and cultivated area is at the forefront in the world.By planting conditions and control measures, cotton
The influence of many factors such as characteristic, fails to realize that mechanization is harvested.Wheat, corn, beans etc. realize mechanical harvesting, have only
Cotton or large area are manually harvested, and seriously constrain the planting cost and economic benefit of cotton, and harvest pattern urgently improves.Mesh
The main path of preceding solution is to cultivate improved seeds and promote disleave technology, mechanical harvesting.Disleave technology, mechanical harvesting exist in recent years
Xinjiang of China is progressively promoted, and " 12 " planning will implement mechanical harvesting pattern in the Yangtze river basin, Huanghe valley cotton region, can
To greatly improve operating efficiency, cost is reduced.In addition, because cotton is remaining green when it is due to become yellow and ripe late-maturing, can not only increase recruitment cost, cotton can be also influenceed
Flower yield and quality reasonable employment defoliant disleaves, promote cotton boll to shift to an earlier date relatively and concentrate blow-of-cottons, can reduce recruitment, effectively
Reduction harvesting cost.
Machine pick cotton has to spray ripener and defoliant before harvesting, and defoliant（Hormone control type）What drug effect was played
Time needs 15-20 days or so, and now cotton is in the autumn peach ripe critical period, if defoliant kind selection and
Sprinkling opportunity is improper, can directly influence the maturity of cotton, causes cottonseed not full, influences Seed weight, so that further shadow
Ring the yield and grade of cotton.If on the contrary, the selection of defoliant kind and sprinkling opportunity are proper, disleave is good, maturity is good
On the premise of, the efficiency of machine pick cotton can be not only greatly improved, meanwhile, content is considered to be worth doing to the leaf of reduction machine pick cotton flower, cotton is improved
Grade, reduce clearing up and processing link in terms of play vital effect.Therefore, the selection of defoliant kind and its make
It is an important step in machine pick cotton technology with technology, whether the selection of defoliant kind appropriate and its quality using technology
Directly influence efficiency, yield and the grade of machine pick cotton flower.
The content of the invention
The purpose of the present invention is that there is provided a kind of cotton defoliant and preparation method thereof, this kind for problem of the prior art
Method is prepared simply, and the cotton defoliant prepared can reduce pollution of the blade to machine pick cotton, improves mechanization cotton picking operation
Quality and efficiency, blade is come off under dark green state.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of cotton defoliant, including following active ingredient：Thidiazuron, pyrithiobac-sodium and forchlorfenuron；The cotton defoliant is also wrapped
Include following auxiliary material auxiliary agent：Organobentonite, wetting dispersing agent, defoamer and deionized water.
Above-mentioned cotton defoliant includes following component by weight：5-25 parts of Thidiazuron, 2-20 parts of pyrithiobac-sodium, pyrrole effect
2-20 parts of grand 1-20 parts, 10-40 parts of organobentonite, 3-15 parts of wetting dispersing agent, 1-10 parts of defoamer and deionized water.
Further, the cotton defoliant includes following component by weight：10-20 parts of Thidiazuron, pyrithiobac-sodium
5-15 parts, 5-15 parts of forchlorfenuron, 20-30 parts of organobentonite, 6-10 parts of wetting dispersing agent, 3-7 parts of defoamer and deionized water
5-15 parts.
Further, the cotton defoliant includes following component by weight：15 parts of Thidiazuron, pyrithiobac-sodium 10
Part, 10 parts of forchlorfenuron, 25 parts of organobentonite, 8 parts of wetting dispersing agent, 5 parts of defoamer and 10 parts of deionized water.
Preferably, the defoamer is in dimethyl silicone polymer, benzyl carbinol oleate, polyoxypropylene, defoamer GPE50
One or more.
Preferably, the wetting dispersing agent be polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fatty amine,
One or more in alkylsulfonate, sodium lignosulfonate.
A kind of preparation method of above-mentioned cotton defoliant, this method is first to remove ionized water and be added in Thidiazuron to dilute,
Pyrithiobac-sodium and forchlorfenuron are added again, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, above-mentioned mixed liquor is added to
In, stir；Finally under the conditions of 42-48 DEG C of temperature, wetting dispersing agent, defoamer are sequentially added while stirring, and stirring is mixed
Finished product of the present invention is obtained after closing uniformly.
Wherein, the formulation of the cotton defoliant prepared by this method is water dispersible granules, aqueous suspension agent or can divided
Dissipate oil-suspending agent.
The present invention compared with prior art, with following beneficial effect：（1）Raw material sources are extensive, low cost, and prepare
Simply；（2）Pollution of the blade to machine pick cotton can be reduced, the quality and efficiency of mechanization cotton picking operation is improved, makes blade in green grass or young crops
It will be come off under green state；（3）Promote growing for cotton fiber, reach the purpose of volume increase；（4）The organobentonite conduct of use
The carrier of product, can make preparation turn into water dispersible granules, aqueous suspension agent or this kind of environmentally friendly new dose of dispersible oil-suspending agent
Type kind, moreover, can also be easy to the utilization of drug effect, with having good adherence, mobility, permeability, absorbability, exhibition
The advantages of property, green safety and strong ability to resist splash erosion.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of cotton defoliant, weighs Thidiazuron 50g, pyrithiobac-sodium 20g, forchlorfenuron 10g, organobentonite 100g, wetting point
Powder 30g, defoamer 10g and deionized water 20g.
Wherein, defoamer is dimethyl silicone polymer and polyoxypropylene equal amount of mixture, and wetting dispersing agent is lignosulphonic acid
Sodium.
The preparation method of the cotton defoliant is first to remove ionized water and be added in Thidiazuron to dilute, and phonetic careless sulphur is added again
Ether and forchlorfenuron, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, is added in above-mentioned mixed liquor, stirs；Most
Afterwards under the conditions of 42 DEG C of temperature, wetting dispersing agent, defoamer are sequentially added while stirring, after being uniformly mixed it is of the invention into
Product.
Wherein, the formulation of the cotton defoliant prepared by this method is aqueous suspension agent.
Embodiment 2
A kind of cotton defoliant, weighs Thidiazuron 100g, pyrithiobac-sodium 50g, forchlorfenuron 50g, organobentonite 200g, wetting point
Powder 60g, defoamer 30g and deionized water 50g.
Wherein, defoamer is defoamer GPE50, and wetting dispersing agent is both polyethoxy fatty alcohol and sodium lignosulfonate etc.
Measure mixture.
The preparation method of the cotton defoliant is first to remove ionized water and be added in Thidiazuron to dilute, and phonetic careless sulphur is added again
Ether and forchlorfenuron, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, is added in above-mentioned mixed liquor, stirs；Most
Afterwards under the conditions of 44 DEG C of temperature, wetting dispersing agent, defoamer are sequentially added while stirring, after being uniformly mixed it is of the invention into
Product.
Wherein, the formulation of the cotton defoliant prepared by this method is dispersible oil-suspending agent.
Embodiment 3
A kind of cotton defoliant, weighs Thidiazuron 150g, pyrithiobac-sodium 100g, forchlorfenuron 100g, organobentonite 250g, wetting
Dispersant 80g, defoamer 50g and deionized water 100g.
Wherein, defoamer is dimethyl silicone polymer, benzyl carbinol oleate and polyoxypropylene three's equal amount of mixture, wetting
Dispersant is both polyethoxy fatty amine and alkylsulfonate equal amount of mixture.
The preparation method of the cotton defoliant is first to remove ionized water and be added in Thidiazuron to dilute, and phonetic careless sulphur is added again
Ether and forchlorfenuron, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, is added in above-mentioned mixed liquor, stirs；Most
Afterwards under the conditions of temperature 45 C, wetting dispersing agent, defoamer are sequentially added while stirring, after being uniformly mixed it is of the invention into
Product.
Wherein, the formulation of the cotton defoliant prepared by this method is dispersible oil-suspending agent.
Embodiment 4
A kind of cotton defoliant, weighs Thidiazuron 200g, pyrithiobac-sodium 150g, forchlorfenuron 150g, organobentonite 300g, wetting
Dispersant 100g, defoamer 70g and deionized water 150g.
Wherein, defoamer is both polyoxypropylene and defoamer GPE50 equal amount of mixture, and wetting dispersing agent is alkyl sulfonic acid
Salt.
The preparation method of the cotton defoliant is first to remove ionized water and be added in Thidiazuron to dilute, and phonetic careless sulphur is added again
Ether and forchlorfenuron, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, is added in above-mentioned mixed liquor, stirs；Most
Afterwards under the conditions of 46 DEG C of temperature, wetting dispersing agent, defoamer are sequentially added while stirring, after being uniformly mixed it is of the invention into
Product.
Wherein, the formulation of the cotton defoliant prepared by this method is water dispersible granules.
Embodiment 5
A kind of cotton defoliant, weighs Thidiazuron 250g, pyrithiobac-sodium 200g, forchlorfenuron 200g, organobentonite 400g, wetting
Dispersant 150g, defoamer 100g and deionized water 200g.
Wherein, defoamer is benzyl carbinol oleate, and wetting dispersing agent is polyethoxy fatty alcohol.
The preparation method of the cotton defoliant is first to remove ionized water and be added in Thidiazuron to dilute, and phonetic careless sulphur is added again
Ether and forchlorfenuron, obtain mixed liquor；Organobentonite is ground to particle diameter≤1mm, is added in above-mentioned mixed liquor, stirs；Most
Afterwards under the conditions of 48 DEG C of temperature, wetting dispersing agent, defoamer are sequentially added while stirring, after being uniformly mixed it is of the invention into
Product
Wherein, the formulation of the cotton defoliant prepared by this method is dispersible oil-suspending agent.
Embodiment 6
Application Example
Experimental field：Harvest Cotton Fields are treated, the cotton field of 7 pieces of about 100 squares of sizes, and 7 pieces of cotton field environmental geographies are cooked up
The conditions such as position are all identical, do not interfere with each other.
Experimental group：Embodiment 1-5 finished product；Control group：50% Thidiazuron wettable powder and 50% Thidiazuron wettable powder
The ethephon (CEPHA),2-(chloroethyl) phosphonic acid solvent of agent+20%.
Process of the test：The cotton defoliant of above-mentioned experimental group and control group is sprayed in above-mentioned 7 pieces of cotton fields blade face respectively
On, spray liquid measure is 5 kilograms, is sprayed once every 5 days, and each spray all is selected in sunny morning hours, 15 days
The disleave rate and blow-of-cottons rate of cotton are observed afterwards, are recorded in table 1 below.
Table 1
| Medicament | Disleave rate（%） | Blow-of-cottons rate（%） |
| Embodiment 1 | 92.4 | 91.5 |
| Embodiment 2 | 93.1 | 92.2 |
| Embodiment 3 | 96.7 | 95.7 |
| Embodiment 4 | 91.1 | 93.6 |
| Embodiment 5 | 92.0 | 91.3 |
| 50% Thidiazuron wettable powder | 77.6 | 76.1 |
| The ethephon (CEPHA),2-(chloroethyl) phosphonic acid solvent of 50% Thidiazuron wettable powder+20% | 82.4 | 80.9 |
In upper table：Disleave rate=（Dispenser front vane number-dispenser rear blade number）/ dispenser front vane number × 100%
Blow-of-cottons rate=（Blow-of-cottons number before blow-of-cottons number-dispenser after dispenser）Blow-of-cottons number × 100% after/dispenser
From upper table 1, cotton defoliant of the invention is compared to the 50% Thidiazuron wettable powder and 50% thiophene in control group
The grand ethephon (CEPHA),2-(chloroethyl) phosphonic acid of wettable powder+20% solvent of benzene has faster disleave and blow-of-cottons drug effect, and during testing, 15 days in experiment
The cotton-wool rate of being contaminted in cotton field see the table below 2 afterwards.
Table 2
| Medicament | Cotton-wool is contaminted rate（%） |
| Embodiment 1 | 5.1 |
| Embodiment 2 | 4.8 |
| Embodiment 3 | 3.6 |
| Embodiment 4 | 4.7 |
| Embodiment 5 | 6.4 |
| 50% Thidiazuron wettable powder | 32.5 |
| The ethephon (CEPHA),2-(chloroethyl) phosphonic acid solvent of 50% Thidiazuron wettable powder+20% | 34.1 |
（Cotton-wool, which is contaminted, to be referred to being stained with blade on cotton-wool）
In upper table, the cotton-wool rate of being contaminted=cotton-wool be contaminted number/cotton boll sum × 100%
From upper table 2, cotton defoliant of the invention is compared to the 50% Thidiazuron wettable powder and 50% thiophene in control group
The cotton-wool rate of being contaminted of the grand ethephon (CEPHA),2-(chloroethyl) phosphonic acid of wettable powder+20% solvent of benzene is low, more conducively cotton harvest when quality.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic.All essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of cotton defoliant, it is characterised in that including following active ingredient：Thidiazuron, pyrithiobac-sodium and forchlorfenuron；The cotton
Flower defoliant also includes following auxiliary material auxiliary agent：Organobentonite, wetting dispersing agent, defoamer and deionized water.
2. a kind of cotton defoliant according to claim 1, it is characterised in that the cotton defoliant is wrapped by weight
Include following component：5-25 parts of Thidiazuron, 2-20 parts of pyrithiobac-sodium, 1-20 parts of forchlorfenuron, 10-40 parts of organobentonite, wetting point
2-20 parts of 3-15 parts of powder, 1-10 parts of defoamer and deionized water.
3. a kind of cotton defoliant according to claim 2, it is characterised in that the cotton defoliant is wrapped by weight
Include following component：10-20 parts of Thidiazuron, 5-15 parts of pyrithiobac-sodium, 5-15 parts of forchlorfenuron, 20-30 parts of organobentonite, wetting point
5-15 parts of 6-10 parts of powder, 3-7 parts of defoamer and deionized water.
4. a kind of cotton defoliant according to claim 3, it is characterised in that the cotton defoliant is wrapped by weight
Include following component：15 parts of Thidiazuron, 10 parts of pyrithiobac-sodium, 10 parts of forchlorfenuron, 25 parts of organobentonite, 8 parts of wetting dispersing agent, disappear
10 parts of 5 parts of infusion and deionized water.
5. according to a kind of any described cotton defoliants of claim 1-4, it is characterised in that the defoamer is poly dimethyl
One or more in siloxanes, benzyl carbinol oleate, polyoxypropylene, defoamer GPE50.
6. according to a kind of any described cotton defoliants of claim 1-4, it is characterised in that the wetting dispersing agent is poly- second
It is a kind of or many in epoxide alkyl phenol, polyethoxy fatty alcohol, polyethoxy fatty amine, alkylsulfonate, sodium lignosulfonate
Kind.
7. a kind of preparation method of cotton defoliant as described in claim 1-6, it is characterised in that this method be first remove from
Sub- water, which is added in Thidiazuron, to be diluted, and pyrithiobac-sodium and forchlorfenuron are added again, mixed liquor is obtained；Organobentonite is ground to particle diameter
≤ 1mm, is added in above-mentioned mixed liquor, stirs；Finally under the conditions of 42-48 DEG C of temperature, profit is sequentially added while stirring
Hygroscopic water powder, defoamer, obtain finished product of the present invention after being uniformly mixed.
8. the preparation method of a kind of cotton defoliant according to claim 7, it is characterised in that prepared by this method
The formulation of the cotton defoliant come is water dispersible granules, aqueous suspension agent or dispersible oil-suspending agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710180147.7A CN106954633A (en) | 2017-03-24 | 2017-03-24 | A kind of cotton defoliant and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710180147.7A CN106954633A (en) | 2017-03-24 | 2017-03-24 | A kind of cotton defoliant and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673658A (en) * | 2019-01-23 | 2019-04-26 | 中国农业科学院棉花研究所 | A kind of composite synergistic herbicide containing Thidiazuron and its application |
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|---|---|---|---|---|
| CN1484956A (en) * | 2003-08-14 | 2004-03-31 | 新疆绿洲科技开发公司 | Defoliant for cotton crop |
| CN102421294A (en) * | 2009-04-07 | 2012-04-18 | 拜尔农作物科学股份公司 | Defoliant comprising thidiazuron and 1,2,4-triazinones |
| CN104322526A (en) * | 2014-09-24 | 2015-02-04 | 青岛点石文具用品有限公司 | Cotton defoliating agent and preparation method thereof |
| CN105028447A (en) * | 2015-08-06 | 2015-11-11 | 青岛点石文具用品有限公司 | Cotton defoliating agent |
-
2017
- 2017-03-24 CN CN201710180147.7A patent/CN106954633A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484956A (en) * | 2003-08-14 | 2004-03-31 | 新疆绿洲科技开发公司 | Defoliant for cotton crop |
| CN102421294A (en) * | 2009-04-07 | 2012-04-18 | 拜尔农作物科学股份公司 | Defoliant comprising thidiazuron and 1,2,4-triazinones |
| CN104322526A (en) * | 2014-09-24 | 2015-02-04 | 青岛点石文具用品有限公司 | Cotton defoliating agent and preparation method thereof |
| CN105028447A (en) * | 2015-08-06 | 2015-11-11 | 青岛点石文具用品有限公司 | Cotton defoliating agent |
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| 王险峰编: "《除草剂安全应用手册》", 31 December 2013 * |
| 蔡英明主编: "《种植致富宝典》", 31 December 2007 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673658A (en) * | 2019-01-23 | 2019-04-26 | 中国农业科学院棉花研究所 | A kind of composite synergistic herbicide containing Thidiazuron and its application |
| CN109673658B (en) * | 2019-01-23 | 2021-03-23 | 中国农业科学院棉花研究所 | Thidiazuron-containing composite synergistic herbicide and application thereof |
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