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Radix dipsaci seed pelletization coating and preparation method thereof

A pelletized coating and seed technology, applied in fertilizer mixture, fertilization device, application, etc., can solve the problems of slow progress in the research of seed coating agents, and achieve good drought resistance and good growth

Inactive Publication Date: 2014-02-26
CHONGQING ACAD OF CHINESE MATERIA MEDICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] As early as the 1860s, Blession in the United States proposed to coat cotton seeds with batter, with the purpose of making the cotton seeds large and uniform, and easy to sow. Since then, the research on seed coating agents has progressed slowly.

Method used

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  • Radix dipsaci seed pelletization coating and preparation method thereof
  • Radix dipsaci seed pelletization coating and preparation method thereof
  • Radix dipsaci seed pelletization coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Selection of pelletized coating material

[0029] Adhesive: sodium carboxymethylcellulose (CMC), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), chitosan, 107 glue, polyacrylamide.

[0030] Film-forming agent: hydroxypropylmethylcellulose (HPMC), hydroxypropylmethylcellulose (HPMC) + polyethylene glycol (PEG), sodium carboxymethylcellulose, chitosan.

[0031] Pelleting additives: talcum powder, bentonite, bentonite raw ore soil (0.2% peach gum).

[0032] The water retaining agent is (SDL-B-400)

[0033] Test equipment: 5BW50-seed coating / pelletizing machine.

[0034] Prepare different concentrations of adhesives and film-forming agents, see Table 1 and Table 2. Under the condition of (25±1)°C, use PHS-3S type acidity meter to measure its pH value, and use DNJ-1 type rotary viscometer to measure its viscosity value. The investigation of the odor, precipitation and stratification of the seed coating agent adopts the sensory observation method. Take 5mL...

Embodiment 2

[0053] Embodiment 2 The selection of different growth regulators 1

[0054] Weigh 500g of Dipsacus seeds, put them in a container, stir constantly, and spray an adhesive sodium carboxymethylcellulose solution with a concentration of 1.5% by weight at the same time, and the amount of application is 150mL for the coating and fixing layer , the amount of 1.5% adhesive agent sodium carboxymethyl cellulose solution for the additional layer of coating is 3000-4500mL; 5BW50-seed coating / pelletizing machine is used for coating.

[0055] While spraying the adhesive sodium carboxymethyl cellulose solution, slowly add the water-retaining agent SDL-B-400, the mixed powder of the pilling additive with a weight ratio of 1:1, and the mixed powder also has a disintegrating agent carboxymethyl cellulose with a weight ratio of 1.5%. Sodium starch glycolate, the added weight of mixed powder is 50% of Dipsacus seed weight;

[0056] Take out the seeds, dry them, and finish the coating of the fixe...

Embodiment 3

[0067] Embodiment 3 Selection of different growth regulators 2

[0068] Take various compositions according to weight, and carry out coating according to the optimum coating method described in embodiment 2, and the seed of coating is cultivated under the condition of moisture conservation, other conditions are the same as above, count the germination of each group 30d rate, the experimental method design orthogonal experiment is shown in Table 4 and 5.

[0069] Factor Level Table 4

[0070]

[0071] Table 5 Orthogonal test table (L 18 (3 7 )) and results

[0072]

[0073] Visual analysis shows that the primary and secondary effects of each factor are A>C>D>F>G>E>B; that is, in the growth additives, potassium has the greatest impact on the growth and germination of Dipsacus seeds, followed by ammonium molybdate, and naphthene Sodium bicarbonate has the least effect. Finally, the ratio of the matrix is ​​determined to be A 3 C 2 D. 2 f 1 G 2 E. 1 B 3 . Finall...

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Abstract

The invention provides a radix dipsaci seed pelletization coating. The seed pelletization coating comprises a fixed layer and an additional layer, wherein the fixed layer is composed of an adhesive, a disintegrating agent, a water-retaining agent and a pelletization additive; the additional layer is composed of a growth regulator, an adhesive, a water-retaining agent, a bactericide, a film forming agent and a pelletization agent. The radix dipsaci seed pelletization coating provided by the invention has favorable drought resistance, and a coated seed can grow better than an uncoated seed under conventional conditions.

Description

technical field [0001] The invention relates to a seed coating technology, in particular to a pill coating of Dipsacus seeds and a preparation method thereof. technical background [0002] Dipsacus asperoides (Dipsacus asperoides C.Y.Cheng et T.M.A i) is a plant of the genus Dipsacus in the Dipsaceae family. It is a perennial herb that grows wild in mountains and roadsides. Its roots are used as medicine. Chuanduan was first recorded in Shennong's Herbal Classic and was listed as top grade. It has the functions of nourishing liver and kidney, strengthening muscles and bones, repairing broken bones, stopping metrorrhagia, and preventing miscarriage. It is mainly produced in Hubei, Hunan, Jiangxi, Guangxi, Yunnan, Guizhou, Sichuan and Tibet. In recent years, due to excessive excavation, wild resources have become less and less, and it is inevitable to breed and cultivate excellent varieties of Dipsacus sichuanensis. The seeds of Dipsacus sichuanensis are achene oval wedge-sh...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 张雪陈大霞李隆云王钰杨宪
Owner CHONGQING ACAD OF CHINESE MATERIA MEDICA
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