CN111616157A - Cotton defoliation ripening composition containing thidiazuron and isoproturon and application thereof - Google Patents
Cotton defoliation ripening composition containing thidiazuron and isoproturon and application thereof Download PDFInfo
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- CN111616157A CN111616157A CN202010474035.4A CN202010474035A CN111616157A CN 111616157 A CN111616157 A CN 111616157A CN 202010474035 A CN202010474035 A CN 202010474035A CN 111616157 A CN111616157 A CN 111616157A
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- cotton
- thidiazuron
- ethephon
- defoliation
- composition
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 54
- HFCYZXMHUIHAQI-UHFFFAOYSA-N Thidiazuron Chemical compound C=1C=CC=CC=1NC(=O)NC1=CN=NS1 HFCYZXMHUIHAQI-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000000203 mixture Substances 0.000 title claims abstract description 40
- 230000035613 defoliation Effects 0.000 title claims abstract description 34
- 230000005070 ripening Effects 0.000 title claims abstract description 31
- PUIYMUZLKQOUOZ-UHFFFAOYSA-N isoproturon Chemical compound CC(C)C1=CC=C(NC(=O)N(C)C)C=C1 PUIYMUZLKQOUOZ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- UDPGUMQDCGORJQ-UHFFFAOYSA-N (2-chloroethyl)phosphonic acid Chemical compound OP(O)(=O)CCCl UDPGUMQDCGORJQ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000005976 Ethephon Substances 0.000 claims abstract description 40
- 239000004480 active ingredient Substances 0.000 claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000000575 pesticide Substances 0.000 claims description 7
- 239000002837 defoliant Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002671 adjuvant Substances 0.000 claims 1
- 238000009472 formulation Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 43
- 230000000694 effects Effects 0.000 description 15
- 241000196324 Embryophyta Species 0.000 description 10
- 239000000375 suspending agent Substances 0.000 description 8
- 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 description 5
- 239000005510 Diuron Substances 0.000 description 5
- 240000002024 Gossypium herbaceum Species 0.000 description 4
- 235000004341 Gossypium herbaceum Nutrition 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000029553 photosynthesis Effects 0.000 description 4
- 238000010672 photosynthesis Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 3
- 239000004563 wettable powder Substances 0.000 description 3
- JLIDBLDQVAYHNE-YKALOCIXSA-N (+)-Abscisic acid Chemical compound OC(=O)/C=C(/C)\C=C\[C@@]1(O)C(C)=CC(=O)CC1(C)C JLIDBLDQVAYHNE-YKALOCIXSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 239000004009 herbicide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009885 systemic effect Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 231100000674 Phytotoxicity Toxicity 0.000 description 1
- 239000005605 Pyraflufen-ethyl Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- FCRACOPGPMPSHN-UHFFFAOYSA-N desoxyabscisic acid Natural products OC(=O)C=C(C)C=CC1C(C)=CC(=O)CC1(C)C FCRACOPGPMPSHN-UHFFFAOYSA-N 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000006278 hypochromic anemia Diseases 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical group C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000004562 water dispersible granule Substances 0.000 description 1
- 238000004383 yellowing Methods 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
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
-
- 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
-
- 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
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
The invention discloses a defoliation ripening composition, which comprises active ingredients A and B, wherein the active ingredient A is a composition of thidiazuron and ethephon, the active ingredient B is isoproturon, the mass ratio of A to B is (0.1-0.9): 1, and the mass ratio of thidiazuron to ethephon is (0.1-0.9): 1. The invention also discloses application of the cotton defoliation ripening composition. Test results show that the defoliation ripening composition can well promote defoliation of cotton, accelerate boll opening of the cotton, improve cotton yield and does not influence the fiber quality of the cotton.
Description
Technical Field
The invention belongs to the technical field of pesticides, relates to a pesticide composition and an application field thereof, and particularly relates to a cotton defoliation ripening composition containing thidiazuron and isoproturon and an application thereof.
Background
The defoliating agent is sprayed before cotton harvesting, so that the shedding and concentrated boll opening of cotton leaves can be promoted, the impurity content of cotton is reduced, and the mechanical cotton harvesting efficiency is improved. At present, 87 cotton defoliating agent products which are approved to be registered and are in the period of validity in China are obtained, wherein 45 single agents are used, and 42 mixed agents are used. The single dose is mainly thidiazuron, and 43 doses are available; the other 2 are pyraflufen-ethyl. The mixture mainly comprises 40 thidiazuron and diuron, and the other 2 thidiazuron and ethephon are thidiazuron and ethephon respectively. Therefore, the effective components of cotton defoliant products in China are single, and new defoliant products are urgently needed to be applied to production. In the production process of cotton, cotton farmers generally use defoliating mixed agents diuron, thidiazuron and ethephon.
After the thidiazuron is absorbed by the plant, abscisic acid and ethylene can be generated by the cotton plant, so that a separation layer is formed between a leaf stalk and the cotton plant, and cotton leaves fall off automatically. The thidiazuron can also promote the nutrient components of the leaves to be transferred to young and tender cotton bolls on the upper parts of the plants, and the cotton plants cannot die, so that the multiple effects of ripening acceleration, defoliation, yield increase and quality increase are integrated. The thidiazuron can make the cotton early mature, the boll opening is relatively advanced and concentrated, the proportion of cotton before frost is increased, and the mechanical and manual harvesting is facilitated. Diuron is a selective herbicide replacing systemic property of urea, has certain contact killing performance, and is absorbed into plants by roots and leaves of the plants to inhibit photosynthesis of the plants, so that the leaves turn yellow and die finally.
The ethephon has good ripening acceleration effect, and can rapidly crack the cotton bolls and dry the leaves after dehydration when being used on cotton. However, the thidiazuron and diuron have higher cost, the thidiazuron has lower defoliation speed and poorer low-temperature resistance, the ethephon has good ripening effect, but the defoliation effect is poor, thereby influencing the influence of mechanical harvesting on the quality of cotton. Therefore, in the process of developing a new cotton defoliant, the dosage of thidiazuron and diuron should be reduced, and the ethephon incorporation ratio and application times should be strictly controlled.
Isoproturon is a selective systemic conduction type herbicide, is a soil treatment agent and stem leaf treatment agent replacing urea, belongs to photosynthesis inhibitors, is mainly absorbed by plant root systems, is conducted into leaves along with water, inhibits electron transfer of plant photosynthesis, interferes with the photosynthesis, enables the plants not to emit oxygen under illumination, prevents organic matters from generating, and causes weeds suffering from phytotoxicity to show phenomena of chlorosis, yellowing and withering
In the process of deeply researching the cotton defoliating agent composition, the inventor surprisingly discovers that the defoliating effect of cotton can be obviously improved by mixing the thidiazuron, the isoproturon and the ethephon, the dosage of the thidiazuron used alone is reduced, the defoliating effect of the thidiazuron is improved, and the ripening effect of the ethephon is promoted. In addition, the mixing of the thidiazuron, the isoproturon and the ethephon can reduce the application frequency, the defoliation and ripening effect of the cotton can be achieved only by applying the pesticide once, and the yield and the quality of the cotton cannot be influenced. Thus, the present invention has been completed through further studies.
According to the data search made by the inventor, no patent and other published data conflicting with the present invention are found.
Disclosure of Invention
In order to overcome the defects of slow defoliation speed of thidiazuron and poor ripening effect of ethephon in the background art, the invention aims to provide the cotton defoliation ripening composition which can increase the defoliation speed of thidiazuron and the ripening effect of ethephon, reduce the application times, has excellent defoliation effect of cotton, is low in medication cost and does not influence the yield and quality of cotton.
The invention also aims to provide application of the cotton defoliation ripening composition.
In order to achieve the purpose, the invention provides a defoliation ripening composition, which is characterized in that the active ingredients of the defoliation ripening composition comprise an active ingredient A and an active ingredient B, wherein the active ingredient A is a composition of thidiazuron and ethephon, the active ingredient B is isoproturon, the mass ratio of the active ingredient A to the active ingredient B can be (0.1-0.9): 1, and the mass ratio of the thidiazuron to the ethephon is (0.1-0.9): 1; the weight percentage of the active ingredients of the defoliant in the composition is 5-95%.
Optionally, the mass ratio of the active ingredient A to the active ingredient B is (0.3-0.9): 1, and the mass ratio of the thidiazuron to the ethephon is (0.15-0.8): 1.
Optionally, the mass ratio of the active ingredient A to the active ingredient B is (0.6-0.9): 1, and the mass ratio of the thidiazuron to the ethephon is (0.15-0.6): 1.
Optionally, the mass ratio of the active ingredient A to the active ingredient B is (0.8-0.9): 1, and the mass ratio of the thidiazuron to the ethephon is (0.4-0.5): 1.
In the embodiment of the invention, the concentration of the thidiazuron applied in the defoliation ripening composition can be 45-225 g/ha, the concentration of the isoproturon applied can be 750-3000 g/ha, the concentration of the ethephon applied can be 360-480 g/ha, and the water consumption can be 450-900 l/ha.
In the embodiment of the invention, the defoliation ripening composition is prepared from active ingredients and pesticide auxiliary agents into pesticide-allowable dosage forms, including soluble agents, wettable powder, suspending agents, dispersible oil suspending agents or water dispersible granules and the like.
The composition of the invention is used for defoliating and ripening cotton, namely for detaching plant leaves.
The compositions of the present invention exhibit a synergistic effect, the activity of which is more pronounced than the expected sum of the activities using the individual compounds, and the individual activities of the individual compounds.
The composition of the invention can promote defoliation of cotton, accelerate boll opening of cotton, improve cotton yield and does not affect cotton quality.
The composition has the advantages of small dosage, reduced application frequency and reduced environmental hazard.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to specific embodiments below.
The agents used in the following examples: thidiazuron is 80% Thidiazuron wettable powder, isoproturon is 50% isoproturon wettable powder, and ethephon is 40% ethephon water solution.
Example 1
2.4 parts by weight of thidiazuron, 25 parts by weight of isoproturon and 15 parts by weight of ethephon are uniformly mixed to prepare the composition suspending agent with the mass fraction of 42.4% (namely, in the composition suspending agent, the thidiazuron accounts for 2.4 wt%, the isoproturon accounts for 25 wt% and the ethephon accounts for 15 wt%).
Example 2
2.4 parts by weight of thidiazuron, 50 parts by weight of isoproturon and 15 parts by weight of ethephon are uniformly mixed to prepare a composition suspending agent with the mass fraction of 46% (namely, in the composition suspending agent, the thidiazuron accounts for 2.4 wt%, the isoproturon accounts for 50 wt% and the ethephon accounts for 15 wt%).
Example 3
7.2 parts by weight of thidiazuron, 25 parts by weight of isoproturon and 15 parts by weight of ethephon are uniformly mixed to prepare the composition suspending agent with the mass fraction of 47.2% (namely, in the composition suspending agent, the thidiazuron accounts for 7.2 wt%, the isoproturon accounts for 25 wt% and the ethephon accounts for 15 wt%).
Test example
Investigation method, data processing and calculation method involved in the test example:
the investigation method comprises the following steps: before the application, 20 cotton plant fixing hanging tags are randomly selected in the middle row of each cell, and the total number of leaves of cotton at each point of each cell is investigated on the day of application. The number of the residual leaves of each point of the plant-fixed cotton is respectively investigated 14 days and 21 days after the pesticide application, the defoliation rate of each investigation is respectively calculated, the boll opening rate of the cotton 21 days after the pesticide application is calculated, and the yield is measured during the boll opening period of the cotton.
The drug effect calculation method comprises the following steps:
the results of examples 1 to 3 showing defoliation rates for cotton in Table 1 show that defoliation rates 20 days after application of examples 1 to 3 were 96%, 98% and 100%, respectively, which are higher than defoliation rates for thidiazuron alone, for thidiazuron mixed with ethephon and for ethephon mixed with isoproturon.
TABLE 1 defoliation (%) of examples 1 to 3 on cotton (water consumption for spraying 450L/ha)
The results of examples 1-3 on the cotton yield are shown in Table 2, and it can be seen that the cotton yields 20 days after the application of examples 1-3 can reach 80%, 85% and 82%, respectively, which are higher than the cotton yields of thidiazuron alone, the combination of thidiazuron and ethephon and the combination of ethephon and isoproturon.
TABLE 2 examples 1 to 3 boll opening ratio (%)
The results of the examples 1 to 3 on the yield increase of cotton are shown in Table 3, and the yield increase of cotton after the application of the examples 1 to 3 is respectively 13%, 16% and 14%, which is higher than the yield increase of cotton with single use of thidiazuron, the use of thidiazuron and ethephon and the use of ethephon and isoproturon.
TABLE 3 yield increase (%) of examples 1 to 3 to cotton
The effect of examples 1-3 on cotton fiber quality is shown in Table 4, and from the results, the fiber quality of cotton after application of examples 1-3 is comparable to that of thidiazuron alone, thidiazuron + ethephon, and ethephon + isoproturon.
TABLE 4 influence of examples 1 to 3 on the quality of cotton fibers
Those of ordinary skill in the art will understand that: the invention is not to be considered as limited to the specific embodiments thereof, but is to be understood as being modified in all respects, all changes and equivalents that come within the spirit and scope of the invention.
Claims (6)
1. The defoliation ripening composition is characterized in that the active ingredients of the defoliation ripening composition comprise an active ingredient A and an active ingredient B, wherein the active ingredient A is a composition of thidiazuron and ethephon, the active ingredient B is isoproturon, the mass ratio of the active ingredient A to the active ingredient B can be (0.1-0.9): 1, and the mass ratio of the thidiazuron to the ethephon is (0.1-0.9): 1; the weight percentage of the active ingredients of the defoliant in the composition is 5-95%.
2. The defoliation and ripening composition according to claim 1, wherein the mass ratio of the active ingredient A to the active ingredient B is (0.3-0.9): 1, and the mass ratio of thidiazuron to ethephon is (0.15-0.8): 1.
3. The defoliation and ripening composition according to claim 1, wherein the mass ratio of the active ingredient A to the active ingredient B is (0.8-0.9): 1, and the mass ratio of thidiazuron to ethephon is (0.4-0.5): 1.
4. The defoliation and ripening composition of claims 1 to 4, wherein the concentration of thidiazuron applied in the defoliation and ripening composition is 45 to 225 g/ha, the concentration of isoproturon applied is 750 to 3000 g/ha, the concentration of ethephon applied is 360 to 480 g/ha, and the amount of water used is 450 to 900 l/ha.
5. The defoliation ripening composition of claim 1, wherein the defoliation ripening composition is formulated from active ingredients and pesticide adjuvants to a pesticide-acceptable formulation.
6. The defoliating and ripening composition of claim 1, wherein said defoliating and ripening agent is used for defoliating and ripening cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474035.4A CN111616157A (en) | 2020-05-29 | 2020-05-29 | Cotton defoliation ripening composition containing thidiazuron and isoproturon and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474035.4A CN111616157A (en) | 2020-05-29 | 2020-05-29 | Cotton defoliation ripening composition containing thidiazuron and isoproturon and application thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111616157A true CN111616157A (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010474035.4A Pending CN111616157A (en) | 2020-05-29 | 2020-05-29 | Cotton defoliation ripening composition containing thidiazuron and isoproturon and application thereof |
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|---|---|---|---|---|
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