Certains contenus de cette application ne sont pas disponibles pour le moment.
Si cette situation persiste, veuillez nous contacter àObservations et contact
1. (WO2019049044) COMPOSÉ GLYCOSIDE D'ACIDES GRAS, COMPOSITION LE COMPRENANT, PROCÉDÉ D'OBTENTION DE CELUI-CI ET PROCÉDÉS D'APPLICATION DE CELUI-CI SUR DES PLANTES OU DES FRUITS OU LES DEUX EN MÊME TEMPS
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS

What is claimed is:

1. A glycoside compound of fatty acids, characterized in that it comprises the general formula:

GaiNAc-GalNAc-Glc-0-R, where GalNAc is a- or β-D-N-acetylgalactosamine,

Glc-O-R is a molecule of a- or β-D-glucose esterified to a monounsaturated fatty acid (R), where R is selected from 12: l(n) and where n is an integer between 2 and 11; l l: l(n) and where n is an integer between 2 and 10; 10: l(n), and where n is an integer between 2 and 9; 9: l(n), and where n is an integer between 2 and 8; 8: l(n), and where n is an integer between 2 and 8; 7: l(n) and where n is an integer between 2 and 7; and 6: l(n), and where n is an integer between 2 and 6.

2. A composition for the promotion of plant growth, characterized in that the said composition comprises a fatty acid glycoside having the general formula:

GalNAc-GalNAc-Glc-O-R, where GalNAc is a- or β-D-N-acetylgalactosamine,

Glc-O-R is a molecule of a- or β-D-glucose esterified to a monounsaturated fatty acid (R), where R is selected from 12: l(n) and where n is an integer between 2 and 11; l l: l(n) and where n is an integer between 2 and 10; 10: l(n), and where n is an integer between 2 and 9; 9: l(n), and where n is an integer between 2 and 8; 8: l(n), and where n is an integer between 2 and 8; 7: l(n) and where n is an integer between 2 and 7; and 6: l(n), and where n is an integer between 2 and 6; and an adjuvant.

3. The composition according to claim 2, characterized in that the adjuvant is selected from the group consisting of nonylphenol ethoxylate and methylated vegetable oils.

4. The composition according to claim 2, characterized in that the plants are selected from the group consisting of soybean, strawberry, lemon tree, sugar cane and A. thaliana.

5. The composition according to claim 2, characterized in that it comprises a concentration ranging from 0.16 μg/ml to 50 μg/ml of the fatty acid glycoside and a concentration ranging from 0.013% and 0.07% of the nonylphenol ethoxylates compound.

6. The composition according to claim 2, characterized in that it comprises a concentration ranging from 0.16 μg/ml to 50 μg/ml of the fatty acid glycoside and a concentration ranging from 0.15% to 1.16% of methylated vegetable oils.

7. An extraction and obtentiont process for the compound according to claim 1, characterized in that the process comprises the following steps

a. make plant tissue contact an acid medium, under stirring;

b. centrifuge the extract obtained in the previous step;

c. divide into fractions by means of preparative chromatography;

d. the fraction recovered is concentrated and purified through chromatographies.

8. The process according to claim 7, characterized in that the plants belong to the Rosaceae family.

9. The process according to claim 7, characterized in that the acidic medium is trifluoroacetic acid.

10. A method for the prevention of pathogen infections in plants through the use of the compound according to claim 1, characterized in that the method comprises the application of a concentration ranging from 0.03 μg/ml to 400 μg/ml of the said compound to a plant, where the application is selected from spraying and immersion.

11. The method according to claim 10, characterized in that the pathogen is selected from the group consisting of Rhodococcus fascians, Clavibacter michiganensis, Xanthomonas fragariae, Colletotrichum spp, Penicillum digitatum, Pseudomonas viridiflava, C. michiganensis, Acidovorax avenae, Pseudomonas viridiflava, Xanthomonas citri, Corynespora cassiicola y Botrytis cinerea.

12. The method according to claim 10, characterized in that the plant is selected from the group consisting of soybean, strawberry, lemon tree, sugar cane and A. thaliana.

13. A method for the treatment of plants infected with pathogens through the use of the compound according to claim 1, characterized in that said method comprises the application to a plant of a concentration comprised between 20 μg/ml and 400 μg/ml of said compound, where the application is selected from spraying and immersion.

14. The method according to claim 13, characterized in that the pathogen is selected from the group consisting of Rhodococcus fascians, Clavibacter michiganensis, Xanthomonas fragariae, Colletotrichum spp, Penicillum digitatum, Pseudomonas viridiflava, C. michiganensis, Acidovorax avenae, Pseudomonas viridiflava, Xanthomonas citri, Corynespora cassiicola and Botrytis cinerea.

15. The method according to claim 13, characterized in that the plant is selected from the group consisting of sobeany, strawberry, lemon tree, sugar cane and A. thaliana.

16. A method for the induction of a defense in plants by using the compound according to claim 1, characterized in that said method comprises the application to a plant of a concentration comprised between 0.03 μg/ml and 100 μg/ml of said compound.

17. The method according to claim 16, characterized in that the plant is selected from the group consisting of soybean, strawberry, lemon tree, sugar cane and A. thaliana.

18. A method to promote plant growth by using the compound according to claim 1, characterized in that said method comprises the application to a plant of a concentration comprised between 0.16 μg/ml and 50 μg/ml of said compound.

19. The method according to claim 18, characterized in that the plant is selected from the group consisting of soybean, strawberry and sugar cane.

20. A process to obtain an enriched extract in the compound according to claim 1, characterized in that said process comprises the following steps:

a. to dry strawberry plant leaves;

b. to grind the dry leaves;

c. to macerate the ground leaves in a medium that comprises 0.5% of concentrated lemon juice 10X in ionized water;

d. to filter and concentrate the extract

21. A method for the promotion of plant growth by using the composition according to claim 2, characterized in that said method comprises the application of said compound to a plant selected from the group consisting of soybean, strawberry and sugar cane.

22. The method according to any of the claims 10, 13, 16, 18 or 21, characterized in that said method is applied to a part of the plant selected from the group consisting of leaves, stem, root and fruit.