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Plant growth regulator containing gibberellin and preparation method thereof

A plant growth regulator, gibberellin technology, applied in the directions of plant growth regulators, plant growth regulators, botanical equipment and methods, etc. Recrystallization of mycolic acid and other problems, to avoid recrystallization, reduce the decomposition rate, dissolve and use easily

Active Publication Date: 2013-08-14
SHANGHAI YUELIAN BIOLOGICAL TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gibberellic acid (GA3) is easy to crystallize and agglomerate, and has poor solubility in water. When the content of gibberellic acid (GA3) in the product exceeds 50%, the probability of crystallization and agglomeration will be greatly increased. Currently, 75% of gibberellic acid (GA3) sold in the market is red Mycolic acid (GA3) crystalline powder needs to be dissolved with a small amount of alcohol or white wine before being diluted with water. During the dilution process, gibberellic acid (GA3) recrystallization may occur due to improper dilution, so the active ingredients cannot be obtained very well. Good application, thus affecting the efficacy, so the content of gibberellic acid in most gibberellic acid (GA3) preparations is about 50%

Method used

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  • Plant growth regulator containing gibberellin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A plant growth regulator (soluble powder) containing gibberellin, which is composed of the following components in weight percentage

[0042] Gibberellic acid (GA3) 75%

[0043] Potassium dihydrogen phosphate 8%

[0044] Alkylbenzenesulfonate 5%

[0045] Polysulfonate 5%

[0046] Glucose 6.8%

[0047] tert-Butyl-p-Hydroxyanisole 0.1%

[0048] 2,6-di-tert-butyl-4-methylphenol 0.1%

[0049] After being mixed by a mixer, it is pulverized by airflow, and dried under vacuum (vacuum degree -0.08MPa) at 45°C to obtain 75% gibberellic acid (GA3) soluble powder. After testing, the drying loss was 1.0%, and the stability of the preparation solution was qualified.

[0050]

Embodiment 2

[0052] A plant growth regulator (soluble powder) containing gibberellin, which is composed of the following components in weight percentage

[0053] Gibberellic acid (GA3) 85%

[0054] Sodium dihydrogen phosphate 6%

[0055] Polycarboxylate 5%

[0056] Phenolsulfonate formaldehyde condensate 3.85%

[0057] 2,6-di-tert-butyl-4-methylphenol 0.1%

[0058] tert-butylhydroquinone 0.05%

[0059] After being mixed by a mixer, it is pulverized by airflow, and dried under vacuum (vacuum degree -0.08MPa) at 45°C to obtain 85% gibberellic acid (GA3) soluble powder. After testing, the drying loss was 0.8%, and the stability of the preparation solution was qualified.

[0060]

Embodiment 3

[0062] A plant growth regulator (soluble granule) containing gibberellin, which is composed of the following components in weight percentage

[0063] Gibberellic acid (GA3) 70%

[0064] Sodium dihydrogen phosphate 9%

[0065] Acrylic acid copolymer salt 5%

[0066] Polyoxyethylene alkyl ether sulfate 4%

[0067] Cyclohexanone Condensed Sodium Salt 3%

[0068] Potassium chloride 3%

[0069] tert-Butyl-p-Hydroxyanisole 0.05%

[0070] 2,6-di-tert-butyl-4-methylphenol 0.05%

[0071] Starch 5.9%

[0072] After mixing with a mixer, it is pulverized by airflow, and after adding an appropriate amount of water, it is stirred evenly. After granulating with a commercial rotary granulator, it is dried at 50°C in vacuum (vacuum degree -0.08MPa). After drying, 70% gibberellic acid (GA3 ) soluble granules. After testing, the drying loss was 1.2%, and the stability of the preparation solution was qualified.

[0073]

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Abstract

The invention discloses a plant growth regulator containing gibberellin and a preparation method thereof. The plant growth regulator containing gibberellins is prepared from the following components by weight percent: 65-85% of gibberellin (GA3), 2-15% of pH regulator, 0.5-5% of a dispersing agent, 0.5-5% of a wetting agent, 0.5-10% of a disintegrating agent, 0-0.5% of antioxidant, 0.5-10% of binder, and 0-30% of packing in manners of crushing by airflow after mixing by a mixer, and drying at low temperature in vacuum. The plant growth regulator containing gibberellins (GA3) disclosed by the invention is high in content, can quicken the solution rate of the gibberellins (GA3) in water, effectively reduces the decomposition velocity of the gibberellins (GA3) in water, and improves effective absorption of the plant on the active ingredient gibberellins (GA3).

Description

[0001] technical field [0002] The invention relates to a pesticide composition, in particular to a gibberellin-containing plant growth regulator and a preparation method thereof. [0003] Background technique [0004] Gibberellins (gibberellins) is a class of highly physiologically active chemical substances that have a great impact on plant growth and some physiological processes. A wide variety. [0005] The isolated gibberellins were chemically identified as diterpenes with four carbon rings (A, B, C, D) formed by four isoprenes, with 19 or 20 carbon atoms. The basic structure of gibberellins is gibberellin alkane. Due to the difference in the number and position of double bonds and hydroxyl groups on the carbon ring, and the presence or absence of lactone rings, gibberellins with different activities and functions can be formed. Among them, gibberellic acid (GA3) is the most widely used. Gibberellic acid (GA3) is a natural organic compound of diterpene lactone, whic...

Claims

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Application Information

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IPC IPC(8): A01N43/12A01P21/00
Inventor 陈恒坚王陈杰余德勉
Owner SHANGHAI YUELIAN BIOLOGICAL TECH
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