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Concentrated extract of algae, production method thereof and use of same in agriculture

A technology of algae extract and extract, which is applied to promote plant emergence, growth, development and reproduction, and can solve the problems of reducing the biostimulant performance of the composition

Pending Publication Date: 2017-05-24
戈玛实验室
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, due to the hydrolysis of the algae base under thermal conditions in the presence of reducing agents, some compounds of the algae intracellular fluid are not retained, especially polysaccharides, lipids, proteins and polyphenols, which reduce the composition obtained by the above method. biostimulant properties

Method used

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  • Concentrated extract of algae, production method thereof and use of same in agriculture
  • Concentrated extract of algae, production method thereof and use of same in agriculture
  • Concentrated extract of algae, production method thereof and use of same in agriculture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Example 1: Preparation of Concentrated Algae Extract

[0066] A 5.1% dry matter percentage of Lichlamydomonas extract (named GOACTIV by the applicant company) was concentrated by evaporating water by heating the extract in a rotary evaporator under (water pump) vacuum at 50°C until a dry matter percentage of 13% was obtained. %.

Embodiment 2

[0067] Example 2: Application of Concentrated Algae Extract to Tomato Seedlings

[0068] The leaves of tomato seedlings at the 3-leaf stage were sprayed with the extract once a week (3 weeks) at the amount per plant indicated in the table below.

[0069] algae extract Control: GOACTIV According to the present invention (embodiment 1) % dry matter 5.1％ 13％ Amount of extract sprayed per seedling 0.03mg 0.01mg

[0070] Tomato seedlings were then treated with equivalent amounts of the respective extracts.

[0071] After 5 weeks of treatment, tomato seedlings treated with the concentrated algae extract of the invention (Example 1) were taller and denser than those treated with the non-concentrated algal extract (GOACTIV).

[0072] Thus, the concentrated algae extract of the present invention was more effective than the dilute extract in promoting the growth of tomato seedlings for a comparable amount of the extract applied.

Embodiment 3

[0073] Example 3: Coating Corn Seeds with Concentrated Algae Extract

[0074] 100 kg of corn seeds were moistened with 100 g of the concentrated algae extract prepared in Example 1 in a rotary mixer. The seeds were then dried at 20-25°C for 24 hours.

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Abstract

The present invention relates to a concentrated extract of algae, containing between 6 and 100% dry matter, to the production method thereof, and to the uses of same either alone or associated with another nutritional, biostimulating or phytosanitary technology, in particular to stimulate the emergence, growth, development and reproduction of plants and to prevent birds from eating seeds. The invention also relates to a method for applying the concentrated extract of algae of the invention, as well as to a seed coated with said extract.

Description

technical field [0001] The present invention relates to a concentrated algae extract with a dry matter percentage of 6-100%, its preparation and its alone or in combination with another nutrient, biostimulation or plant protection technique in order in particular to promote plant emergence, growth, development and reproduction , and to prevent birds from eating the seeds. The invention also relates to methods of applying the concentrated algal extracts of the invention, and seeds coated with said extracts. Background technique [0002] Increasing yields is a major preoccupation for farmers. Yield mainly depends on the good development and growth of the plant, as well as its good health. [0003] Plant growth is directly related to the uptake and assimilation of mineral elements and the flow of hormones that regulate plant tissue elongation and differentiation. Therefore, nutrients and hormones are crucial in plant growth. Since plants are immobile, they have developed ac...

Claims

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Application Information

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IPC IPC(8): A01N65/03A01P21/00A01P17/00A01C1/06
CPCA01N65/03A01N25/00A01C1/06A01G7/06
Inventor P·埃里
Owner 戈玛实验室
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