# US 12,180,496 B2 · Method to improve crop yield and/or quality

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- Number: US 12,180,496 B2
- Document ID: US12180496B2
- Status: Granted
- Kind: B2
- Application number: 16/727,752
- Filed: 2019-12-26
- Published: 2020-05-14
- Granted: 2024-12-31
- Earliest claimed: 2017-06-29
- Assignees: Biolumic Limited
- Applicants: Biolumic Limited
- Inventors: Jason John Wargent
- Web page: https://patentgrep.com/patent/US12180496B2

## CPC

- A01G 7/045: {with electric lighting}
- C12N 15/8273: {for drought, cold, salt resistance}
- A01G 22/05: Fruit crops, e.g. strawberries, tomatoes or cucumbers
- Y02P 60/14: Measures for saving energy, e.g. in green houses
- A01G: HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING (picking of fruits, vegetables, hops or the like A01D46/00; propagating unicellular algae C12N1/12)
- C12N: MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA (microbiological testing media C12Q1/00)
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

Provided herein are methods and compositions relating to administering light enriched for UV-B to a plant material to improve subsequent plant performance.

## Claims

### Claim 1

A method for increasing yield of a flowering part of a cannabis plant, comprising: subjecting a plant material prior to flower emergence to a treatment regimen comprising:
a) light comprising at least one UV wavelength in a range from 280 nm to 295 nm;
b) a duration between about 6 days and about 14 days wherein the plant material is not a seed, and wherein the yield in the flowering part of the cannabis plant is improved by at least 5% as compared to an untreated cannabis plant wherein the untreated cannabis plant is not under biotic environmental stress.

### Claim 2 (depends on 1)

The method of claim 1, wherein the at least one UV wavelength is peaking at least one of 280 nm, 282 nm, 285 nm, 287 nm, 291 nm, and 292 nm.

### Claim 3 (depends on 1)

The method of claim 1, wherein the plant material is at least one of a seedling and a cutting.

### Claim 4 (depends on 1)

The method of claim 1, wherein an irradiance of the UV-B wavelength is in a range of 4×10−5 W cm−2s−1 to 1.3×10−4W cm−2s−1.

### Claim 5 (depends on 1)

The method of claim 1, wherein the light comprises a wavelength of blue light in a range of about 440 nm to about 460 nm.

### Claim 6 (depends on 1)

The method of claim 1, wherein the light comprises a wavelength of red light in a range of about 640 nm to about 680 nm.

### Claim 7 (depends on 1)

The method of claim 1, wherein the light comprises a wavelength of blue light in a range of about 440 nm to about 460 nm, and a wavelength of red light in a range of about 640 nm to about 680 nm.

### Claim 8 (depends on 1)

The method of claim 1, wherein the light is administered indoors.

### Claim 9 (depends on 1)

The method of claim 1, wherein the number of cycles per day in a range of about 100 to about 500 cycles per day.

### Claim 10 (depends on 1)

The method of claim 1, wherein the UV wavelength is not administered to the fruiting component.

### Claim 11 (depends on 1)

The method of claim 1, wherein the UV-B treatment results in an improved long-term hardiness.