CN111567529A - Plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof - Google Patents
Plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof Download PDFInfo
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- CN111567529A CN111567529A CN202010473388.2A CN202010473388A CN111567529A CN 111567529 A CN111567529 A CN 111567529A CN 202010473388 A CN202010473388 A CN 202010473388A CN 111567529 A CN111567529 A CN 111567529A
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- Prior art keywords
- brassinolide
- pyraflufen
- ethyl
- growth regulator
- plant growth
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
-
- 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
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Toxicology (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof, wherein the plant growth regulator composition comprises the following components in parts by weight: 0.001-1 part of brassinolide and 0.1-2 parts of pyraflufen-ethyl. The invention can promote the effective regulation of cotton defoliation, promote the cracking and boll opening of cotton, accelerate the shedding of cotton leaves, reduce impurities, improve the clean picking rate and improve the grade and quality of cotton.
Description
Technical Field
The invention relates to the technical field of agricultural growth regulators, in particular to a plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof.
Background
Cotton, a seed fiber of Malvaceae (Malvaceae) cotton (Gossypium) plants, is native to subtropics. Annual woody plants, 0.6-1.5 meters high, small branches are sparse and hairy, leaves are wide and oval, flowers grow in leaf axils, and pedicles are usually slightly shorter than petioles; calyx is cupped, white or yellowish, and then pale red or purple.
With the increasing of cotton planting area, mechanical cotton harvesting is the current development trend, but leaves remaining on cotton plants influence not only the harvesting speed but also the grade of cotton. Therefore, the method has important significance for accelerating the ripening and defoliation of cotton in good quality and high yield and for double harvest of grains and cotton.
Pyraflufen-ethyl, also known as fluroxypyr ester, belongs to phenyl pyrazole herbicides, is also a protoporphyrinogen oxide ester inhibitor, and is a contact herbicide for efficiently and quickly preventing and killing broadleaf weeds in 2-4 leaf periods in fields. Under a certain concentration range, pyraflufen-ethyl can also be used as a cotton defoliant, so that convenience is provided for mechanical harvesting of cotton.
The brassinolide compound is a novel green environment-friendly plant growth regulator, is a plant endogenous hormone, has high biological activity, can promote the growth of crops such as vegetables, melons, fruits and the like through soaking seeds with proper concentration and spraying stem leaves, can improve the quality of the crops, can improve the yield of the crops, can improve the drought resistance and cold resistance of the crops, and can relieve the symptoms of plant diseases and insect pests, chemical injury, fertilizer injury and freezing injury of the crops. And the composition is harmless to human and livestock, and the normal dosage is very safe and effective.
The prior art has no report about the preparation of a compound growth regulator by brassinolide and pyraflufen-ethyl in the field of formula. Therefore, the reasonable and advanced compound formula is not only a reasonable distribution measure capable of promoting the growth and development of plants, but also a key method for ensuring the yield and quality of the plants.
The above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and it is not necessarily prior art to the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 0.001-1 part of brassinolide and 0.1-2 parts of pyraflufen-ethyl.
Preferably, the composition consists of the following components in parts by weight: brassinolide 0.01 weight portions and pyraflufen-ethyl 1.99 weight portions.
Preferably, the brassinolide is selected from any one of 28-homobrassinolide, 24-epibrassinolide, 25-methyl brassinolide, propionyl brassinolide, 28-epibrassinolide, mixotrophin brassinolide or 14-hydroxy brassinosteroid.
The method for preparing the compound growth regulator composition comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture and an auxiliary agent allowed by pesticides into any one of missible oil, microemulsion, aqueous emulsion, suspending agent, oil suspending agent, dry suspending agent, wettable powder or water dispersible granules.
The invention also aims to protect the plant growth regulator composition and the application of the plant growth regulator composition to defoliation of cotton. Compared with the prior art, the invention has the following advantages and positive effects:
the invention can efficiently and rapidly carry out defoliation treatment on cotton, and has high defoliation rate and high boll opening rate; and is safe to crops and environment-friendly.
Detailed Description
The following is a detailed description of specific embodiments of the invention.
Example 1
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 0.01 part of 28-high brassinolide and 1.99 parts of pyraflufen-ethyl.
The method for preparing the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into the microemulsion with 2% of active ingredients in percentage by mass according to a conventional preparation method by using an auxiliary agent allowed in pesticides.
Example 2
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 24-epibrassinolide 0.0075 parts and pyraflufen-ethyl 0.25 parts
The method for preparing the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into an oil suspending agent with 7.5 percent of active ingredients in percentage by mass according to a conventional preparation method by using auxiliary agents allowed in pesticides.
Example 3
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: propionyl brassinolide 0.005 part, pyraflufen-ethyl 1 part.
The preparation method of the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into wettable powder with 4.5% of active ingredients in percentage by mass according to a conventional preparation method with auxiliary agents allowed in pesticides.
Example 4
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 28-epibrassinolide 0.07 part and pyraflufen-ethyl 0.5 part.
The preparation method of the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into water dispersible granules with the mass percentage of active ingredients of 16% by using auxiliary agents allowed in pesticides according to a conventional preparation method.
Example 5
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 0.1 part of mixotrophic brassinolide and 0.8 part of pyraflufen-ethyl.
The method for preparing the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing emulsifiable concentrate with 27% of active ingredients by mass percent with auxiliary agents allowed in pesticides according to a conventional preparation method.
Example 6
A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and an application thereof are disclosed, and the plant growth regulator composition comprises the following components in parts by weight: 0.06 part of 14-hydroxyl brassinol and 1.4 parts of pyraflufen-ethyl.
The method for preparing the compound growth regulator comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into an aqueous emulsion with 6.5 percent of active ingredients by mass percent with an auxiliary agent allowed in pesticides according to a conventional preparation method.
Test of field drug effect
1. The purpose is as follows: the influence of the brassinolide and pyraflufen-ethyl composition on the defoliation effect, the boll opening effect and the quality of cotton is tested.
2. Test conditioner:
test (2% microemulsion of example 1);
test 2 7.5% oil suspension;
test (4.5% wettable powder of example 3);
test four 16% water-dispersible granules of example 4;
test # 27% cream from example 5;
test sixthly 6.5% aqueous emulsion of example 6;
comparing the first step with a single pyraflufen-ethyl microemulsion with 2 percent;
control 2 blank control
3. The test method comprises the following steps:
the test is carried out in Guangxuan county in Shandong province from 16 days 9 and 9 months 2019 to 30 days 9 and 9 months 2019, the soil quality of the test field is loam, and other regulators are not sprayed in a cotton field.
The experiment was designed with 8 treatments, each treatment was repeated 2 times, each treatment cell area was 25m2Random block permutation is adopted. The cotton boll spray is applied in 2019, 9, 16 days, the boll opening rate is 30% -40% on average, the cotton is sprayed by a fan-shaped spray head, and the water consumption is 450 kg/hectare.
4. And (3) field investigation:
and (3) taking representative 5 points in each cell, taking 10 continuous brands for marking each point, respectively investigating the number of leaves, the number of bolls, the single boll weight and the fiber length of each sample point before and 14 days after application, and calculating the defoliation rate and the boll opening rate.
The calculation formula is as follows:
(1) percent defoliation (%) (number of leaves before application-number of leaves at the time of investigation)/number of leaves before application X100%
(2) The boll opening rate (%) is the number of bolls opening/total bolls multiplied by 100%
And (3) test results:
the results were investigated 14d after application.
| Drug treatment | The defoliation rate% | Boll opening rate% | Single bell weight (g) | Fiber length (mm) |
| Test ① | 75.37 | 98.46 | 5.89 | 59.3 |
| Test ② | 73.51 | 97.33 | 5.76 | 57.7 |
| Test of③ | 74.15 | 98.42 | 5.83 | 59.1 |
| Test ④ | 70.86 | 96.78 | 5.71 | 57.2 |
| Test ⑤ | 71.09 | 97.66 | 5.79 | 58.5 |
| Test ⑥ | 71.88 | 98.37 | 5.81 | 58.6 |
| Control ① | 67.46 | 93.84 | 5.54 | 56.4 |
| Control ② | 43.37 | 91.31 | 5.58 | 53.7 |
The results show that, compared with the comparison of the first step and the second step, the application (tests of the first step and the second step) of spraying the plant growth regulator composition of the invention to cotton has higher defoliation rate, boll opening rate, single boll weight and fiber length than the comparison example, which shows that the defoliation effect of cotton can be improved and the yield and quality of cotton can be improved to a certain extent by spraying the plant growth regulator composition of the invention.
The above embodiments are merely preferred embodiments of the present invention, and any simple modification, modification and substitution changes made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (4)
1. A plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof are characterized by comprising the following components in parts by weight: 0.001-1 part of brassinolide and 0.1-2 parts of pyraflufen-ethyl.
2. The plant growth regulator composition containing brassinolide and pyraflufen-ethyl as claimed in claim 1, wherein the brassinolide is selected from any one of 28-homobrassinolide, 24-epibrassinolide, 25-methyl brassinolide, propionyl brassinolide, 28-epibrassinolide, mixotrophin brassinolide or 14-hydroxy brassinosterol.
3. The plant growth regulator composition containing brassinolide and pyraflufen-ethyl and the application thereof as claimed in claim 1, wherein the raw materials in the weight ratio are uniformly mixed and are prepared into any one of missible oil, microemulsion, aqueous emulsion, suspending agent, oil suspending agent, dry suspending agent, wettable powder or water dispersible granules with auxiliary agents allowed in pesticides.
4. The plant growth regulator composition containing brassinolide and pyraflufen-ethyl as claimed in claim 1 and its application in cotton plantation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473388.2A CN111567529B (en) | 2020-05-29 | 2020-05-29 | Plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010473388.2A CN111567529B (en) | 2020-05-29 | 2020-05-29 | Plant growth regulator composition containing brassinolide and pyraflufen-ethyl and application thereof |
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| Publication Number | Publication Date |
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| CN111567529A true CN111567529A (en) | 2020-08-25 |
| CN111567529B CN111567529B (en) | 2022-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937906A (en) * | 2020-08-31 | 2020-11-17 | 江西鑫邦科技有限责任公司 | Plant growth regulating mixture and preparation method and application thereof |
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| CN102258044A (en) * | 2011-05-25 | 2011-11-30 | 江苏龙灯化学有限公司 | Defoliating agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111937906A (en) * | 2020-08-31 | 2020-11-17 | 江西鑫邦科技有限责任公司 | Plant growth regulating mixture and preparation method and application thereof |
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