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 mak

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

Example Embodiment

[0028] Example 1 Study on the selection of pelletized coating materials

[0029] Adhesives: sodium carboxymethyl cellulose (CMC), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), chitosan, 107 glue, polyacrylamide.

[0030] Film forming agents: hydroxypropyl methyl cellulose (HPMC), hydroxypropyl methyl cellulose (HPMC) + polyethylene glycol (PEG), sodium carboxymethyl cellulose, chitosan.

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

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

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

[0034] Prepare different concentrations of adhesive and film-forming agent, see Table 1 and Table 2. Under the condition of (25±1)℃, the pH value is measured with PHS-3S type acidity meter, and the viscosity value is measured with DNJ-1 type rotary viscometer. The sensory observation method is used to investigate the odor, precipitation and layering of the seed coating agent. Take 5 mL of...

Example Embodiment

[0053] Example 2 Selection of different growth regulators 1

[0054] Weigh 500g of Dipsacus seeds, put Dipsacus seeds in a container, stir constantly, and spray the adhesive sodium carboxymethyl cellulose solution with a concentration of 1.5% by weight at the same time as the coating fixed layer is 150mL , The dosage of 1.5% sodium carboxymethyl cellulose solution of adhesive for coating additional layer is 3000-4500mL; use 5BW50-seed coating / pelletizing machine for coating.

[0055] While spraying the adhesive sodium carboxymethyl cellulose solution, slowly add the water-retaining agent SDL-B-400, the pelletized additive weight ratio of 1:1 mixed powder, and the mixed powder also has a 1.5% weight ratio disintegrant carboxylate Sodium methyl starch, the added weight of the mixed powder is 50% of the weight of Dipsacus seeds;

[0056] Take out the seeds, dry them, and put them in a container to complete the fixed layer coating;

[0057] Continue to spray 1.5% adhesive carboxymethyl c...

Example Embodiment

[0067] Example 3 Selection of different growth regulators 2

[0068] Weigh various ingredients according to the weight, and coat them according to the optimal coating method described in Example 2, and cultivate the coated seeds under moisture-preserving conditions. Other conditions are the same as above, and the 30-day germination of each group is counted Rate, experimental method design orthogonal experiment as shown in Table 4 and 5.

[0069] Factor Level Table 4

[0070]

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

[0072]

[0073] Intuitive 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 influence on the growth and germination of Dipsacus seeds, followed by ammonium molybdate, and sodium naphthenate the least. Finally, the ratio of the matrix is ​​determined to be A 3 C 2 D 2 F 1 G 2 E 1 B 3 . It is finally determined that the weight ratio of potass...

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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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