CN107343502A - A kind of defoliant composition and its production and use - Google Patents
A kind of defoliant composition and its production and use Download PDFInfo
- Publication number
- CN107343502A CN107343502A CN201710442666.6A CN201710442666A CN107343502A CN 107343502 A CN107343502 A CN 107343502A CN 201710442666 A CN201710442666 A CN 201710442666A CN 107343502 A CN107343502 A CN 107343502A
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- CN
- China
- Prior art keywords
- parts
- weight
- defoliant composition
- cotton
- defoliant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002837 defoliant Substances 0.000 title claims abstract description 52
- 239000000203 mixture Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229920000742 Cotton Polymers 0.000 claims abstract description 57
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000005510 Diuron Substances 0.000 claims abstract description 27
- HFCYZXMHUIHAQI-UHFFFAOYSA-N Thidiazuron Chemical compound C=1C=CC=CC=1NC(=O)NC1=CN=NS1 HFCYZXMHUIHAQI-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000375 suspending agent Substances 0.000 claims description 6
- 244000025254 Cannabis sativa Species 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000004480 active ingredient Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims description 2
- 239000004530 micro-emulsion Substances 0.000 claims description 2
- 239000004562 water dispersible granule Substances 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims 1
- 230000035613 defoliation Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 4
- 241000219146 Gossypium Species 0.000 description 47
- 230000000857 drug effect Effects 0.000 description 18
- 239000003814 drug Substances 0.000 description 7
- 238000003306 harvesting Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- FFLJZFAEPPHUCU-UHFFFAOYSA-N benzene;thiophene Chemical compound C=1C=CSC=1.C1=CC=CC=C1 FFLJZFAEPPHUCU-UHFFFAOYSA-N 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000004563 wettable powder Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002024 Gossypium herbaceum Species 0.000 description 1
- 235000004341 Gossypium herbaceum Nutrition 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000028514 leaf abscission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
Classifications
-
- 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
- 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<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
Landscapes
- 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 defoliant composition and preparation method thereof, the defoliant composition include 1~40 parts by weight Thidiazuron, 1~20 parts by weight diuron and 10~70 parts by weight organosilicon auxiliary agents；Methods described includes mixing Thidiazuron, diuron and organosilicon auxiliary agent by the parts by weight producing.The defoliant composition of the application has preferable defoliation effect to cotton.
Description
Technical field
The application relates to, but are not limited to technical field of pesticide, is more particularly without limitation, to a kind of defoliant composition and its system
Preparation Method and purposes.
Background technology
Cotton has special status as a kind of important industrial crops in Chinese national economy.Cotton from bloom to
Cotton boll blow-of-cottons about 50 days or so, and cotton has indeterminate growth characteristic, therefore there is larger difference different times cotton boll age.This
Outside, due to being influenceed by weather conditions, the frost-free period difference in China difference cotton region is larger, frost-free period shorter regional part
Cotton boll weight frost season before can not normal blow-of-cottons, so as to influence the yield and quality of cotton.In addition under field conditions (factors), cotton leaf
The expulsion rate of piece is low, and being remained in after often withered on cotton plant influences harvesting and the grade of cotton.Particularly in recent years, due to China city
The horizontal continuous improvement of townization, rural laborer's structure are also changing, and the cost that cotton manually harvests rises year by year, therefore
It is developing direction from now on to realize cotton mechanical harvesting.But disleave rate and blow-of-cottons bell of the mechanical harvesting to cotton require higher, are
The yield and kind of mechanical harvesting cotton are improved, percentage of impurity is reduced, it is necessary in suitable time spray defoliant to cotton, carries out
Defoliation ripening.Therefore, excellent defoliant screening and application be to improve cotton defoliation rate, ensure the technical foundation of defoliation effect.
The content of the invention
It is the general introduction of the theme to being described in detail herein below.It is to limit the protection model of claim that this general introduction, which is not,
Enclose.
This application provides preferable defoliant composition of a kind of defoliation effect and its production and use.
Specifically, this application provides a kind of defoliant composition, the defoliant composition to include 1~40 parts by weight thiophene
Benzene is grand, 1~20 parts by weight diuron and 10~70 parts by weight organosilicon auxiliary agents.
In presently filed embodiment, the defoliant composition can include 10~35 parts by weight Thidiazurons, 5~15
Parts by weight diuron and 20~60 parts by weight organosilicon auxiliary agents.
In presently filed embodiment, the defoliant composition can include 20~30 parts by weight Thidiazurons, 7~13
Parts by weight diuron and 30~50 parts by weight organosilicon auxiliary agents.
In presently filed embodiment, the organosilicon auxiliary agent can be alkoxy-modified poly- trisiloxanes.
In presently filed embodiment, the defoliant composition can be wettable powder (Wettable
Powder), suspending agent, water dispersible granules or microemulsion form.
Present invention also provides a kind of method for preparing defoliant composition as described above, methods described is included by described
Thidiazuron, diuron and organosilicon auxiliary agent are mixed and produced by parts by weight.
Present invention also provides the purposes that defoliant composition as described above is used as cotton defoliant.
In presently filed embodiment, with the gauge of active ingredient, the administration of Thidiazuron in the defoliant composition
Concentration can be 108-375g/ hectares, and the application concentration of diuron can be 54-135g/ hectares, and the administration of organosilicon auxiliary agent is dense
Degree can be 600g/ hectares, and water consumption can be 450-900 liters/hectare.
In presently filed embodiment, the defoliant composition is diluted using organic solvent commonly used in the art
Applied after to finite concentration, the organic solvent can dissolve Thidiazuron and diuron well, for example, can be that dimethyl is sub-
Sulfone.
In presently filed embodiment, the time of application of the defoliant composition can be cotton boll blowing rate up to 50%
More than.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the application.The purpose of the application and other advantages can by specification and
Specifically noted structure is realized and obtained in claims.
Embodiment
, hereinafter will be to embodiments herein for the purpose, technical scheme and advantage of the application are more clearly understood
It is described in detail.It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can
To be mutually combined.
Thidiazuron (purity 95%) and diuron original drug (purity 97%) used in following examples, in
Cotton well-to-do level bio tech ltd provides, and alkoxy-modified poly- trisiloxanes is purchased from Weifang Hua Nuo bio tech ltd,
Testing cotton variety is：Cotton variety is the conventional spring cottons such as CCRI 60, CCRI 69, CCRI 79, and breeding time is in 121-
125d or so.
Embodiment 1
Thidiazuron used is 50wt% Thidiazurons WP (middle cotton well-to-do level bio tech ltd), and diuron opposes for 50wt%
The grand WP (middle cotton well-to-do level bio tech ltd) of grass, alkoxy-modified poly- trisiloxanes are limited purchased from Weifang China promise biotechnology
Company.
Take 25 parts by weight Thidiazurons, 9 parts by weight diuron, the alkoxy-modified poly- trisiloxanes of 40 parts by weight and dimethyl sub-
Sulfone, it is well mixed, being configured to the composition suspending agent that mass fraction is 74%, (i.e. in composition suspending agent, Thidiazuron accounts for
25wt%, diuron account for 9wt%, and alkoxy-modified poly- trisiloxanes accounts for 40wt%).
Embodiment 2
Thidiazuron and diuron used are that the de- of 540g/L tells grand (Bayer joint-stock company), wherein Thidiazuron 360g/L, enemy
The grand 180g/L of grass, alkoxy-modified poly- trisiloxanes are purchased from Weifang Hua Nuo bio tech ltd.
Take 7.2 parts by weight Thidiazurons, 3.6 parts by weight diuron, the alkoxy-modified poly- trisiloxanes of 40 parts by weight and diformazan
Base sulfoxide, be well mixed, be configured to mass fraction be 50.8% composition suspending agent (i.e. in composition suspending agent, thiophene benzene
Grand to account for 7.2wt%, diuron accounts for 3.6wt%, and alkoxy-modified poly- trisiloxanes accounts for 40wt%).
Test case
Investigation method, data processing and the computational methods being related in test case：
Investigation method：20 plants of cotton singlings are randomly selected among every cell several rows to be listed, investigated on the day of dispenser before dispenser
Per the blade amt of cell each point cotton.5d, 10d, 20d investigate the remaining number of blade of each point singling cotton respectively after medicine, respectively
Calculate the leaf abscission rate and disleave drug effect investigated every time.
Drug effect computational methods：
1st, defoliation effect of the defoliant composition to Earthquake of Anyang station in Henan cotton of the preparation of embodiment 1 is investigated
The defoliant composition of embodiment 1 is applied to Earthquake of Anyang station in Henan cotton.As a result see table 1.
Defoliation effect of the defoliant composition of table 1 to Earthquake of Anyang station in Henan cotton (spraying water consumption is 450 liters/hectare)
As it can be seen from table 1 5d after dispenser, the disleave drug effect of the defoliant composition of embodiment 1 to cotton is 85.6%,
Disleave drug effect apparently higher than Thidiazuron (57.2%) or Thidiazuron+diuron (71.6%) to cotton；10d after medicine, implement
The disleave drug effect of the defoliant composition of example 1 rises to 93.7%；20d after medicine, the defoliant composition and Thidiazuron of embodiment 1
The disleave drug effect of+diuron to cotton all reaches 100.0%, and disleave drug effect of the Thidiazuron to cotton is only 85.2%.Therefore,
The cotton defoliant composition of embodiment 1 after application 5~10d defoliation effect apparently higher than Thidiazuron processing or Thidiazuron+
Diuron processing.
2nd, the defoliant composition of the preparation of embodiment 2 is investigated to Earthquake of Anyang station in Henan and the defoliation effect of Shihezi of Xinjiang cotton
(1) the defoliant composition of embodiment 2 is applied to Earthquake of Anyang station in Henan cotton.As a result see table 2.
Defoliation effect of the defoliant composition of table 2 to Earthquake of Anyang station in Henan cotton (spraying water consumption is 450 liters/hectare)
From table 2 it can be seen that 5d after dispenser, the disleave drug effect of the defoliant composition of embodiment 2 to cotton is 84.9%,
Disleave drug effect apparently higher than Thidiazuron+diuron to cotton (66.7%)；10d after medicine, at the defoliant composition of embodiment 2
The disleave drug effect of reason persistently rises；And to 20d after medicine, the disleave drug effect of the defoliant composition of embodiment 2 to cotton is
100.0%, and disleave drug effect of the Thidiazuron+diuron to cotton is only 87.1%, therefore, the defoliant composition of embodiment 2
To the defoliation effect of cotton apparently higher than Thidiazuron+diuron.
(2) the defoliant composition of embodiment 2 is applied to Shihezi of Xinjiang cotton.As a result see table 3.
Defoliation effect of the defoliant composition of table 3 to Shihezi of Xinjiang cotton (spraying water consumption is 900 liters/hectare)
From table 3 it can be seen that 5d after dispenser, the disleave drug effect of the cotton defoliant composition of embodiment 2 to cotton is
74.3%, hence it is evident that higher than Thidiazuron+diuron processing (58.9%)；And 10d after medicine, the defoliant composition of embodiment 2 take off
Leaf drug effect rises to 94.2%, and disleave drug effect of the Thidiazuron+diuron to cotton is only 80.5%；After dispenser 20d, embodiment
The disleave drug effect of 2 cotton defoliant composition reaches 95.9%, the equally disleave apparently higher than Thidiazuron+diuron to cotton
Drug effect.Therefore, the disleave drug effect of the cotton defoliant composition of embodiment 2 is apparently higher than Thidiazuron+diuron.
Although the embodiment disclosed by the application is as above, described content is only to readily appreciate the application and use
Embodiment, it is not limited to the application.Technical staff in any the application art, is taken off not departing from the application
On the premise of the spirit and scope of dew, any modification and change, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (9)
1. a kind of defoliant composition, the defoliant composition includes 1~40 parts by weight Thidiazuron, 1~20 parts by weight enemy's grass
Grand and 10~70 parts by weight organosilicon auxiliary agents.
2. defoliant composition according to claim 1, including 10~35 parts by weight Thidiazurons, 5~15 parts by weight enemy's grass
Grand and 20~60 parts by weight organosilicon auxiliary agents.
3. defoliant composition according to claim 2, including 20~30 parts by weight Thidiazurons, 7~13 parts by weight enemy's grass
Grand and 30~50 parts by weight organosilicon auxiliary agents.
4. the defoliant composition according to any one of claim 1-3, wherein, the organosilicon auxiliary agent changes for alkoxy
The poly- trisiloxanes of property.
5. the defoliant composition according to any one of claim 1-3, wherein, the defoliant composition is wettable
Pulvis, suspending agent, water dispersible granules or microemulsion form.
6. a kind of method for preparing the defoliant composition according to any one of claim 1-5, methods described includes pressing
Thidiazuron, diuron and organosilicon auxiliary agent are mixed and produced by the parts by weight.
7. the defoliant composition according to any one of claim 1-5 is used as the purposes of cotton defoliant.
8. purposes according to claim 7, wherein, with the gauge of active ingredient, Thidiazuron in the defoliant composition
Application concentration be 108-375g/ hectares, the application concentration of diuron is 54-135g/ hectares, the application concentration of organosilicon auxiliary agent
For 600g/ hectares, water consumption is 450-900 liters/hectare.
9. the purposes according to claim 7 or 8, wherein, the time of application of the defoliant composition is cotton boll blowing rate
Up to more than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710442666.6A CN107343502A (en) | 2017-06-13 | 2017-06-13 | A kind of defoliant composition and its production and use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710442666.6A CN107343502A (en) | 2017-06-13 | 2017-06-13 | A kind of defoliant composition and its production and use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107343502A true CN107343502A (en) | 2017-11-14 |
Family
ID=60254579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710442666.6A Pending CN107343502A (en) | 2017-06-13 | 2017-06-13 | A kind of defoliant composition and its production and use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107343502A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109362764A (en) * | 2018-12-07 | 2019-02-22 | 安阳全丰生物科技有限公司 | Thidiazuron defoliant composition containing diquat dibromide |
| CN109673657A (en) * | 2019-01-23 | 2019-04-26 | 中国农业科学院棉花研究所 | A kind of composite synergistic defoliation ripening agent and its application |
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| CN103222474A (en) * | 2012-01-31 | 2013-07-31 | 胡登魁 | Defoliation ripener used for cotton |
| CN106070279A (en) * | 2016-06-03 | 2016-11-09 | 华南农业大学 | One plant growth regulators Thidiazuron diuron electrostatic liquor and making, purposes and using method |
| CN106212500A (en) * | 2016-07-27 | 2016-12-14 | 青岛悦邦农种业有限公司 | cotton defoliant |
| CN106259438A (en) * | 2016-08-10 | 2017-01-04 | 青岛悦邦农种业有限公司 | A kind of cotton defoliant and preparation method thereof |
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2017
- 2017-06-13 CN CN201710442666.6A patent/CN107343502A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN103222474A (en) * | 2012-01-31 | 2013-07-31 | 胡登魁 | Defoliation ripener used for cotton |
| CN106070279A (en) * | 2016-06-03 | 2016-11-09 | 华南农业大学 | One plant growth regulators Thidiazuron diuron electrostatic liquor and making, purposes and using method |
| CN106212500A (en) * | 2016-07-27 | 2016-12-14 | 青岛悦邦农种业有限公司 | cotton defoliant |
| CN106259438A (en) * | 2016-08-10 | 2017-01-04 | 青岛悦邦农种业有限公司 | A kind of cotton defoliant and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109362764A (en) * | 2018-12-07 | 2019-02-22 | 安阳全丰生物科技有限公司 | Thidiazuron defoliant composition containing diquat dibromide |
| CN109673657A (en) * | 2019-01-23 | 2019-04-26 | 中国农业科学院棉花研究所 | A kind of composite synergistic defoliation ripening agent and its application |
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