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1. WO2020156964 - PROCÉDÉ DE RÉGULATION DE L'ÉTAT D'UNE PLANTE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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Claims

1. Method for controlling a condition of a plant comprising at least;

i) irradiating at least a part of an underside of a leaf of a plant with a light emitted from an artificial light source and/or with light emitted from a light modulating material and/or with light selectively reflected from a light modulating material.

2. The method of claim 1 , wherein the step (i) comprises at least the following steps ii) and iii);

ii) absorbing at least a part of light that passed through a leaf of a plant with at least one light modulating material, a composition comprising at least one light modulating material and/or a light converting medium comprising at least one light modulating material,

wherein said at least one light modulating material, a composition

comprising at least one light modulating material and/or a light converting medium comprising at least one light modulating material, is placed at least a part of the underside of a leaf;

iii) irradiating at least a part of the underside surface of a leaf of a plant with light emitted and/or with light selectively reflected from the light modulating material.

3. Method of claim 1 or 2, wherein the light emitted from or selectively reflected from the light modulating material has the peak maximum light wavelength in the range of 500 nm or less, and/or 600nm or more, preferably it is in the range from 400 to 500 nm and/or from 600 to 750 nm.

4. Method of any one of claims 1 to 3, wherein step i), preferably in step ii) and/or step iii), the light modulating material, the composition and/or the light converting medium is placed directly onto the underside surface of a

leaf of a plant or within 15 cm from the underside surface of a leaf of a plant, preferably the distance between the underside surface of a leaf of a plant and the light modulating material is in the range from 0cm to 15cm, more preferably 0.01 cm to 15cm, even more preferably from 0.1 cm to 10cm, even more preferably in the range from 0.1 cm to 5cm.

5. Method of any one of claims 1 to 4, wherein the light modulating material and/or the light converting medium is coated by an adhesive material.

6. Method of any one of claims 1 to 5, wherein the composition further comprises an adhesive material.

7. Method of any one of claims 1 to 6, wherein the light converting medium contains at least one attaching part so that the light converting medium can be attached to a part of a plant.

8. Method of any one of claims 1 to 7, wherein the light converting medium is in a form of net or sheet.

9. Method of any one of claims 1 to 8, wherein the thickness of the light converting medium is in the range from 1 pm to 1 ,000pm, preferably it is in the range from 5pm to 500pm, even more preferably it is in the range from 10pm to 250pm.

10. Method of any one of claims 1 to 9, wherein the light modulating material is selected from pigments, dyes and luminescent materials, preferably the light modulating material is a luminescent material, more preferably the light modulating material a luminescent material selected from organic materials or inorganic materials , even more preferably the light modulating material is an inorganic material selected from phosphors or semiconductor nanoparticles.

11. Method of any one of claims 1 to 10, wherein the light modulating material is a phosphor based on garnet, silicate, orthosilicate, thiogallate, sulfide, nitride, silicon-based oxynitride, nitridosilicate,

nitridoaluminumsilicate, oxonitridosilicate, oxonitridoaluminumsilicate or rare earth doped sialon.

12. The method of any one of claims 1 to 11 , wherein said light modulating material is a metal oxide phosphor selected from the group consisting of AI2O3: Cr3+, Y3AI50i2:Cr3+, MgO:Cr3+, ZnGa204:Cr3+, MgAI204:Cr3+,

Sr3MgSi208:Mn4+, Sr2MgSi207:Mn4+, SrMgSi206:Mn4+, Mg2Si04:Mn2+,

BaMg6Ti60i9:Mn4+, Mg2Ti04:Mn4+, Li2Ti03:Mn4+, CaAh20i9:Mn4+,

ZnAI204:Mn2+, LiAI02:Fe3+, LiAlsOs: Fe3-, NaAISi04:Fe3+, MgO:Fe3+, Mg8Ge20iiF2:Mn4+, CaGa2S4:Mn2+, Gd3Ga50i2:Cr3+, Gd3Ga50i2:Cr3+,Ce3+, (Ca,Ba,Sr)MgSi206:Eu,Mn, (Ca,Ba,Sr)2MgSi207:Eu,Mn,

(Ca,Ba,Sr)3MgSi208:Eu,Mn, ZnS, InP/ZnS, CulnS2, CulnSe2, CulnS2/ZnS, carbon quantum dot, CaMgSi206:Eu2+, Mn2+, Si5P6025:Mn4+

Ba2YTa06:Mn4+, NaLaMgW06:Mn4+, Y2MgTi06:Mn4+, CaMgSi206:Eu2+, Sr2MgSi207:Eu2+, SrBaMgSi207:Eu2+, Ba3MgSi208:Eu2+, LiSrP04:Eu2+, LiCaP04:Eu2+, NaSrP04:Eu2+, KBaP04:Eu2+, KSrP04:Eu2+, KMgP04:Eu2+, -Sr2P207:Eu2+, -Ca2P207:Eu2+, Mg3(P04)2:Eu2+, Mg3Ca3(P04)4:Eu2+,

BaMgAhoOi7:Eu2+, SrMgAhoOi7:Eu2+, AIN:Eu2+, Sr5(P04)3CI:Eu2+,

NaMgP04 (glaserite) :Eu2+, Na3Sc2(P04)3:Eu2+, LiBaBOs:Eu2+,

NaSrBOs:Ce3+, NaCaBOs:Ce3+, Ca3(BOs)2:Ce3+, Sr3(BOs)2:Ce3+,

Ca3Y(GaO)3(BOs)4:Ce3+, Ba3Y(BOs)3:Ce3+, CaYAI04:Ce3+, Y2Si05:Ce3+, YSi02N:Ce3+, Y5(Si04)3N:Ce3+, CaAISiN3:Eu2+, SrAISiN3:Eu2+,

Sr2SisN8:Eu2+, SrLiAIN :Eu2+, LiAI508:Cr3+, SrAISi4N7:Eu2+, Ca2Si04:Eu2+, NaMgP04:Eu2+, CaS:Eu2+, K2SiF6:Mn4+, K3SiF7:Mn4+, K2TiF6:Mn4+,

K2NaAIFe:Mn4+, BaSiF6:Mn4+, YV04:Eu3+, MgSr3Si208:Eu2+,Mn2+,

Y203:EU3+, Ca2AI306FGd3Ga50i2:Cr3+,Ce3+ and graphene quantum dot.

13. A plant obtained or obtainable from the method of any one of claims 1 to 12.

14. A light converting medium comprising at least one light modulating material and a matrix material, wherein the light converting medium contains at least one attaching part so that the light converting medium can be attached to at least a part of a plant.

15. Use of an light converting medium comprising at least one light modulating material and/or a composition comprising at least one light modulating material and another material, for controlling a condition of a plant by placing the light converting medium so that the emitted light from the light converting medium can irradiate at least a part of underside of a leaf of a plant, preferably whole part of underside of a leaf of a plant.