CN113396915A - Compound plant growth regulator containing brassinolide and DA-7 or DA-8 - Google Patents
Compound plant growth regulator containing brassinolide and DA-7 or DA-8 Download PDFInfo
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- CN113396915A CN113396915A CN202010226584.XA CN202010226584A CN113396915A CN 113396915 A CN113396915 A CN 113396915A CN 202010226584 A CN202010226584 A CN 202010226584A CN 113396915 A CN113396915 A CN 113396915A
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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
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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
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/08—Amines; Quaternary ammonium compounds containing oxygen or sulfur
- A01N33/10—Amines; Quaternary ammonium compounds containing oxygen or sulfur having at least one oxygen or sulfur atom directly attached to an aromatic ring system
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/36—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
-
- 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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/44—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio analogue of a carboxylic group, e.g. amino-carboxylic acids
-
- 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
- A01N43/14—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 six-membered rings
- A01N43/16—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 six-membered rings with oxygen as the ring hetero atom
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
-
- 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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/16—Heavy metals; Compounds thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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- Life Sciences & Earth Sciences (AREA)
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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- Engineering & Computer Science (AREA)
- Dentistry (AREA)
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Abstract
The invention relates to a compound plant growth regulator containing brassinolide and DA-7 or DA-8, the active ingredients are brassinolide and DA-7 or DA-8, the weight percentage of brassinolide in the compound plant growth regulator is 0.001% -1%, the weight percentage of DA-7 or DA-8 in the compound plant growth regulator is 1% -20%; the compound plant growth regulator can be processed into soluble solution or soluble powder in practical application; the invention has good effects of promoting the growth and increasing the yield of rice, wheat and vegetables.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of compound plant growth regulators, and the active ingredients comprise brassinolide and DA-7 or DA-8, and the plant growth regulators are mainly used for regulating the growth of crops such as rice, wheat, vegetables and the like.
[ background of the invention ]
Brassinolide is one of steroid compounds with higher biological activity, which is widely existed in plants, can promote vegetative growth and is beneficial to fertilization in each stage of plant growth and development, the artificially synthesized brassinolide has higher activity, can be absorbed by leaves, stems and roots of the plants and then is conducted to acting parts, some thought can increase the activity of RNA polymerase and increase the content of RNA and DNA, some thought can increase the potential difference of cell membranes and the activity of ATP enzyme, and some thought can strengthen the action of auxin, and the action mechanism does not have a unified view at present. It has very low concentration, is efficient plant growth regulator, and can raise the growth of plant nutrient and promote fertilization obviously at very low concentration. Some of its physiological effects are due to the presence of auxin, gibberellin, cytokinin, which are some of the characteristics: 1. promoting cell division and fruit enlargement. Has obvious effect of promoting cell division and transverse growth and longitudinal growth of organs, thereby playing the role of fruit expansion. 2. Delaying leaf aging, keeping green for a long time, enhancing chlorophyll synthesis, improving photosynthesis, and promoting leaf color deepening and greening. 3. Breaking apical dominance, promoting lateral bud germination, inducing bud differentiation, promoting lateral branch generation, increasing branch number, increasing flower number, improving pollen fertility, increasing fruit number and increasing yield. 4. Improve the quality of crops, improve the commodity, induce parthenocarpy, stimulate the ovary to expand, prevent flower and fruit dropping, promote the protein synthesis, improve the sugar content and the like.
DA-7 is also called amine neoester, and its main components include methyl-alpha-acetate ester analog, 5-aminolevulinic acid, citric-soluble magnesium zinc silicate and nano silicon dioxide. It is a non-hormone product, is related to plant growth regulation and immunity induction substance, can induce the synthesis or improvement activity of the components with resistance to injury, disease and stress in the plant body and plant defense substance, and at the same time, they can promote the expression of the specific genes of pathogenic bacteria, plant self-protecting and cell wall structure protein gene, etc., and can increase the plant resistance to injury, disease and stress, and promote the plant health.
DA-8 and DCPTA belong to the same class, have higher activity, have no registration at home and abroad, are not phytohormones per se, and are plant cell signal inducing substances. After being absorbed by plants, the plant can induce and regulate the content, activity and ratio of phytochemical signals (endogenous hormones). Can improve plant photosynthesis, accelerate vegetative growth in the early stage, promote reproductive growth in the middle and later stages, improve crop yield and quality, and accelerate crop maturity. Can improve cell energization, regulate endogenous hormone level, and has effects of stimulating crop growth (promoting growth, promoting root growth, green leaf, swelling fruit, coloring), and resisting stress and repairing. The product has chelating and carrying properties, can improve the utilization rate of fertilizer and pesticide, has irritation, and can stimulate the growth activity of crops.
The prior art has no report about the preparation of a compound plant growth regulator by brassinolide and DA-7 or DA-8. Therefore, the reasonable and advanced compound formula not only is a reasonable distribution measure for blending plant nutrition and promoting plant growth and development, but also is a key method for ensuring the yield and quality of plants.
[ summary of the invention ]
The invention aims to provide a compound plant growth regulator which is mainly used for regulating the growth of crops such as rice, wheat, vegetables and the like:
the invention is mainly realized by the following scheme: a compound plant growth regulator containing brassinolide and DA-7 or DA-8 comprises the active ingredients of brassinolide and DA-7 or DA-8, the weight percentage of brassinolide in the compound plant growth regulator is 0.001% -1%, the weight percentage of DA-7 or DA-8 in the compound plant growth regulator is 1% -20%, and the balance is an agriculturally acceptable auxiliary agent.
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 compound plant growth regulator is prepared into any one preparation formulation suitable for agriculture by a known method, and can be soluble solution, soluble powder, missible oil, microemulsion, aqueous emulsion, suspending agent, oil suspending agent, dry suspending agent, wettable powder or water dispersible granules, wherein the better preparation formulation is soluble powder, the processing technology is the prior art, and the preparation process can be changed according to different conditions.
The auxiliary agents used in the compound plant growth regulator comprise a solvent, an emulsifier, a wetting agent, a safety agent, a stabilizer, a dispersing agent, a defoaming agent, an antifreezing agent, a thickening agent, a pH regulator, deionized water, a filler and the like, are all various auxiliary agents commonly used in the processing of pesticide preparations, and specific components and dosage are determined through simple experiments according to the formula requirements.
The production process of various application formulations of the compound plant growth regulator provided by the invention belongs to the prior art, and detailed description is omitted here.
The compound plant growth regulator provided by the invention is used by adopting a stem leaf spraying method, and can also adopt other application technologies applied in agriculture according to needs.
The compound plant growth regulator provided by the invention is used for regulating the growth of crops such as rice, wheat, vegetables and the like.
The compound plant growth regulator provided by the invention has excellent promotion effect on crops such as rice, wheat, vegetables and the like, and the brassinolide and DA-7 or DA-8 are compounded according to a certain proportion, so that the activity of a compounded preparation is greatly improved compared with that of a single preparation, and the compound plant growth regulator has great development value compared with a single preparation.
[ detailed description ] embodiments
The following is a detailed description of specific embodiments of the invention.
(I) indoor potting test
Example 1:
the rationality of blending is measured by measuring and calculating the agronomic performance indexes such as average ear length, thousand grain weight, yield increase and the like of the later period and the blank control area of the crops by using mixtures with different proportions and different contents and single agent treatment crops.
Preparing 28-high brassinolide original drug and DA-7 into mother liquor with acetone and tween-80 respectively, testing potted rice, and performing leaf surface spraying treatment at tillering stage and booting stage of rice respectively. The test results are shown in Table 1.
TABLE 1 brassinolide, DA-7 combination on potted rice yield test results
| Indoor treatment | Average ear length cm | Thousand seed weight g | Increased yield% |
| 28-high brassinolide | 6.5 | 25.1 | 5.91 |
| DA-7 | 6.3 | 24.8 | 4.64 |
| 28-high brassinolide: DA-7 (0.001: 10) | 6.8 | 26.3 | 10.97 |
| 28-high brassinolide: DA-7 (0.01: 10) | 6.9 | 26.7 | 12.66 |
| 28-high brassinolide: DA-7 (0.1: 10) | 6.9 | 26.6 | 12.24 |
| 28-high brassinolide: DA-7 (1.0: 10) | 6.8 | 26.1 | 10.13 |
| 28-high brassinolide: DA-7 (0.04: 1) | 7.0 | 27.1 | 14.35 |
| 28-high brassinolide: DA-7 (0.04: 5) | 6.8 | 26.5 | 11.81 |
| 28-high brassinolide: DA-7 (0.04: 15) | 6.9 | 26.9 | 13.50 |
| 28-high brassinolide: DA-7 (0.04: 20) | 7.0 | 27.2 | 14.77 |
| Control | 6.2 | 23.7 | -- |
Through the yield test of the potted rice indoors, the results show that the 28-high brassinolide and DA-7 have synergistic effect on the increase of the rice yield after being compounded, the rice yield increase effect is obvious, the yield increase effect of the mixture is obviously better than that of a single agent, and various agronomic indexes are obviously better than that of a blank control. Therefore, the blending of brassinolide and DA-7 has good synergistic effect on rice yield increase.
Preparing mother liquor of 24-epibrassinolide and DA-8 with acetone and Tween-80, respectively, testing potted wheat, and performing leaf surface spray treatment in booting stage and filling stage of wheat. The specific data of the test results are shown in Table 2.
Table 2 brassinolide and DA-8 compounding test results on influence of potted wheat yield
| Indoor treatment | Average ear length cm | Thousand seed weight g | Increased yield% |
| 24-epibrassinolide | 5.3 | 35.1 | 4.15 |
| DA-8 | 5.2 | 34.6 | 2.67 |
| 24-epibrassinolide: DA-8 (0.001: 10) | 5.6 | 36.2 | 7.42 |
| 24-epibrassinolide: DA-8 (0.01: 10) | 5.8 | 37.4 | 10.98 |
| 24-epibrassinolide: DA-8 (0.1: 10) | 5.6 | 36.9 | 9.50 |
| 24-epibrassinolide: DA-8 (1: 10) | 5.8 | 37.0 | 9.79 |
| 24-epibrassinolide: DA-8 (0.04: 1) | 5.7 | 36.8 | 9.20 |
| 24-epibrassinolide: DA-8 (0.04: 5) | 5.7 | 37.2 | 10.39 |
| 24-epibrassinolide: DA-8 (0.04: 15) | 5.6 | 36.5 | 8.31 |
| 24-epibrassinolide: DA-8 (0.04: 20) | 5.7 | 37.0 | 9.79 |
| Control | 5.2 | 33.7 | -- |
Through the yield test of the indoor potted wheat, the results show that the 24-epibrassinolide and the DA-8 have synergistic effect on the increase of the yield of the wheat after being compounded, the yield increasing effect of the mixture is obviously better than that of a single agent, and all the agronomic indexes are obviously better than that of blank control. Therefore, the blending of the brassinolide and the DA-8 has good synergistic effect on the yield increase of the wheat.
(II) field efficacy test
Example 2
The compound plant growth regulator comprises the following active ingredients in parts by weight: 0.01 part of 28-high brassinolide and 1.99 parts of DA-7.
The method for preparing the pesticide composition comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into a soluble solution with 2 mass percent of active ingredients by using an auxiliary agent allowed in pesticides according to a conventional preparation method.
Example 3
The compound plant growth regulator comprises the following active ingredients in parts by weight: 0.005 part of 28-high brassinolide and 9.995 parts of DA-8.
The method for preparing the pesticide composition comprises the steps of uniformly mixing the raw materials in the weight ratio, and preparing the mixture into soluble powder with the active ingredient content of 10% by mass according to a conventional preparation method with auxiliary agents allowed in pesticides. 1. The purpose is as follows: the influence of the compound plant growth regulator on the growth and yield of rice or wheat is tested.
2. Reagent to be tested:
test (2% solubles from example 1;
test 2 10% soluble powder;
comparing the first step with the first step, wherein the first step is 0.01 percent of 28-high brassinolide;
control 2% DA-7 alone;
comparison with 10% DA-8 alone;
comparison of blank
3. Test methods and results:
the test site 1 is Jiangxi Nanchang city, the test time is 6 months in 2019, and a better paddy field block in a water and fertilizer field is selected and a mechanical spraying mode is adopted. Spraying the pesticide for 1 time respectively in tillering and booting periods of the rice, investigating the yield of the rice in the mature period, and carrying out comparative analysis on the yields of the rice treated differently.
TABLE 3 Effect on Rice yield
The test result shows that the compounding of brassinolide and DA-7 or DA-8 has good yield increasing effect on rice, and is obviously superior to that of a control medicament used alone.
The test site 2 is south-yang city of Henan province, the test time is 4 months in 2018, and a mechanical spraying mode is adopted for selecting a better wheat field block in a water and fertilizer field. Spraying the fertilizer for 1 time in each of the booting stage and the filling stage of the wheat, investigating the yield of the wheat in the mature period, and carrying out comparative analysis on the yields of the wheat treated in different stages.
TABLE 4 Effect on wheat yield
The test result shows that the compounding of brassinolide and DA-7 or DA-8 has good yield increasing effect on wheat, and is obviously superior to that of a control medicament used alone.
Indoor bioassay experiments and field comparison experiments show that the brassinolide and DA-7 or DA-8 have good yield increasing effect after being mixed and used, and the brassinolide is a pesticide variety which is worthy of popularization and use.
In order to make the objects, technical solutions and advantages of the present invention more concise and clear, the present invention is described with the following specific embodiments, but the present invention is by no means limited to these embodiments. The following description is only a preferred embodiment of the present invention, and is only for the purpose of describing the present invention, and should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A compound plant growth regulator containing brassinolide and DA-7 or DA-8 is characterized in that the weight percentage of the brassinolide in the compound plant growth regulator is 0.001% -1%, and the weight percentage of the DA-7 or DA-8 in the compound plant growth regulator is 1% -20%.
2. The complex plant growth regulator of claim 1, wherein the brassinolide is selected from the group consisting of 28-homobrassinolide, 24-epibrassinolide, 25-methyl brassinolide, propionyl brassinolide, 28-epibrassinolide, mixotrophin brassinolide and 14-hydroxy brassinosteroid.
3. The method of claim 1, wherein the raw materials are mixed uniformly in the weight ratio, and the mixture is mixed with an auxiliary agent acceptable to pesticides to prepare any one of a soluble solution, a soluble powder, an emulsifiable solution, a microemulsion, an aqueous emulsion, a suspending agent, an oil suspending agent, a dry suspending agent, a wettable powder or a water dispersible granule, and in practical application, the mixture is preferably a soluble solution and a soluble powder.
4. The method of preparing a compound plant growth regulator according to claim 1, wherein the plant growth regulator is used for regulating the growth of rice, wheat and vegetable crops.
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| CN202010226584.XA CN113396915A (en) | 2020-03-16 | 2020-03-16 | Compound plant growth regulator containing brassinolide and DA-7 or DA-8 |
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| CN202010226584.XA CN113396915A (en) | 2020-03-16 | 2020-03-16 | Compound plant growth regulator containing brassinolide and DA-7 or DA-8 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836220A (en) * | 2022-04-22 | 2022-08-02 | 中国科学院东北地理与农业生态研究所 | Special soil conditioner for soda saline-alkali rice field and preparation method thereof |
| CN115843800A (en) * | 2022-12-28 | 2023-03-28 | 河南科技大学 | Plant growth regulator for promoting oil peony yield increase and preparation method and application thereof |
-
2020
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114836220A (en) * | 2022-04-22 | 2022-08-02 | 中国科学院东北地理与农业生态研究所 | Special soil conditioner for soda saline-alkali rice field and preparation method thereof |
| CN114836220B (en) * | 2022-04-22 | 2022-11-01 | 中国科学院东北地理与农业生态研究所 | Special soil conditioner for soda saline-alkali rice field and preparation method thereof |
| US11685862B1 (en) | 2022-04-22 | 2023-06-27 | Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences | Special soil conditioner for soda saline-alkaline paddy fields and preparation method thereof |
| CN115843800A (en) * | 2022-12-28 | 2023-03-28 | 河南科技大学 | Plant growth regulator for promoting oil peony yield increase and preparation method and application thereof |
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Application publication date: 20210917 |
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