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BR-102022011248-B1 - COMPOSITIONS AND METHOD FOR IMPROVING PLANT GROWTH

BR102022011248B1BR 102022011248 B1BR102022011248 B1BR 102022011248B1BR-102022011248-B1

Abstract

COMPOSITIONS AND METHOD FOR IMPROVING PLANT GROWTH. The invention relates to a composition for improving plant growth. The composition includes auxin, cytokinin, choline chloride, and gamma-aminobutyric acid (GABA). The invention also relates to a method for improving plant growth.

Inventors

  • Meng-Ying Li
  • Cho-Chun Huang
  • Gui-Jun Li
  • Kai Xia
  • Chen-Pang WU

Assignees

  • CH BIOTECH R&D CO., LTD

Dates

Publication Date
20260317
Application Date
20220608
Priority Date
20210611

Claims (15)

  1. 1. Concentrated composition to improve plant growth, characterized by comprising between 0.8 g/L and 80 g/L of indole-3-butyric acid (IBA); between 0.18 g/L and 18 g/L of N6-furfuryladenine (kinetin); between 0.5 g/L and 50 g/L of gamma-aminobutyric acid (GABA); and between 2.5 g/L and 250 g/L of choline chloride.
  2. 2. Concentrated composition according to claim 1, characterized in that the concentrated composition for improving plant growth is diluted 500 to 1,500 times before use.
  3. 3. Concentrated composition according to claim 1, characterized in that the concentrated composition improves plant growth by at least one of the methods selected from increasing root growth, increasing photosynthesis in plants, increasing nutrient uptake and assimilation, increasing water management by plants, and reducing herbicide-mediated phototoxicity in plants.
  4. 4. Ready-to-use composition for improving plant growth, characterized in that it comprises the concentrated composition as defined in claim 1 and water.
  5. 5. Ready-to-use composition according to claim 4, characterized in that the ready-to-use composition for improving plant growth additionally comprises 0.01 to 1% (v/v) of adjuvant.
  6. 6. Ready-to-use composition according to claim 5, characterized in that the adjuvant is a surfactant.
  7. 7. Ready-to-use composition according to claim 5, characterized in that the adjuvant is a drift control agent.
  8. 8. Ready-to-use composition according to claim 4, characterized in that the ready-to-use composition essentially consists of: between 0.8 mg/L and 80 mg/L of indole-3-butyric acid (IBA); between 0.18 mg/L and 18 mg/L of kinetin; between 0.5 mg/L and 50 mg/L of gamma-aminobutyric acid (GABA); between 2.5 mg/L and 250 mg/L of choline chloride; 0% or 0.01 to 1% (v/v) of adjuvant; and water.
  9. 9. Ready-to-use composition according to claim 4, characterized in that the ready-to-use composition improves plant growth by at least one of the methods selected from increasing root growth, increasing photosynthesis in plants, increasing nutrient uptake and assimilation, increasing water management by plants, and reducing herbicide-mediated phototoxicity in plants.
  10. 10. A method for improving plant growth, characterized in that it comprises a step of applying a ready-to-use composition as defined in any one of claims 4 to 9 to a plant, and the ready-to-use composition comprising between 0.8 mg/L and 80 mg/L of indole-3-butyric acid (IBA); between 0.18 mg/L and 18 mg/L of kinetin; between 0.5 mg/L and 50 mg/L of gamma-aminobutyric acid (GABA); between 2.5 mg/L and 250 mg/L of choline chloride; and water.
  11. 11. Method according to claim 10, characterized in that it further comprises a step of mixing the solution-for-use composition with an adjuvant before the step of applying the solution-for-use composition to the plant.
  12. 12. Method according to claim 10, characterized in that the solution composition is applied to the foliage of the plant.
  13. 13. Method according to claim 10, characterized in that the solution composition is applied to the roots of the plant.
  14. 14. Method according to claim 10, characterized in that the composition of the solution for use improves plant growth by at least one of the methods selected from increasing root growth, increasing photosynthesis in plants, increasing nutrient uptake and assimilation, increasing water management by plants, and reducing herbicide-mediated phototoxicity in plants.
  15. 15. Ready-to-use composition for improving plant growth, characterized by comprising: 8 mg/L of indole-3-butyric acid (IBA); 1.8 mg/L of N6-furfuryladenine (kinetin); 5 mg/L of gamma-aminobutyric acid (GABA); 25 mg/L of choline chloride.

Description

CROSS-REFERENCE TO RELATED REQUEST [001] This application claims priority over U.S. Provisional Application 63/209,581, filed June 11, 2021, which is incorporated herein by reference in its entirety. FUNDAMENTALS OF THE INVENTION 1. FIELD OF THE INVENTION [002] The present invention relates to a composition for improving plant growth. More particularly, the present invention relates to a composition that includes auxin, cytokinin, choline chloride and gamma-aminobutyric acid (GABA). 2. DESCRIPTION OF THE PREVIOUS TECHNIQUE [003] As the world's population approaches approximately 7.9 billion, food security has been a serious problem in many countries. According to the Food and Agriculture Organization of the United Nations (FAO), global food production will need to increase by 70% if the population reaches 9.1 billion by 2050. [004] Although plant growth regulator (PGR) products exist to increase plant growth and improve crop yield, stresses such as drought and herbicide drift affect the performance of these PGR products. To help crops grow well under various conditions, advanced formulations to unlock crop development potential are in demand. SUMMARY OF THE INVENTION [005] In one aspect, the present invention relates to a concentrated composition for improving plant growth. The concentrated composition comprises between about 0.8 g/L and about 80 g/L of auxin, between about 0.18 g/L and about 18 g/L of cytokinin, between about 0.5 g/L and about 50 g/L of GABA, and between about 2.5 g/L and about 250 g/L of choline chloride. [006] In another aspect, the present invention relates to a ready-to-use composition for improving plant growth. The ready-to-use composition comprises between about 0.8 mg/L and about 80 mg/L of auxin, between about 0.18 mg/L and about 18 mg/L of cytokinin, between about 0.5 mg/L and about 50 mg/L of GABA, and between about 2.5 mg/L and about 250 mg/L of choline chloride. [007] In another aspect, the present invention relates to a method for improving plant growth. [008] The present invention is illustrated, but not limited to, the following embodiments and designs. BRIEF DESCRIPTION OF THE DRAWINGS [009] Figure 1A and Figure 1B show the dry weight of the aerial part of the corn plants in Example 1. The number above the bar for the glyphosate-only group indicates the percentage decrease compared to the control group. The number above the bar for test group 9 indicates the percentage increase compared to the glyphosate-only group. (N = 12) T1 to T9: test group 1 to test group 9. *p < 0.05; **p < 0.01. [0010] Figure 2A and Figure 2B show the dry weight of the aerial part of the soybean plants in Example 1. The number above the bar for the glyphosate-only group indicates the percentage decrease compared to the control group. The number above the bar for test group 9 indicates the percentage increase compared to the glyphosate-only group. (N = 12) T1 to T9: test group 1 to test group 9. *p < 0.05; **p < 0.01. [0011] Figure 3A and Figure 3B show the dry weight of the aerial part of the corn plants in Example 2. The number above the bar for the glyphosate-only group indicates the percentage decrease compared to the control group. The numbers above the bars for the test groups indicate the percentage increase compared to the glyphosate-only group. (N = 12) T1 to T9: test group 1 to test group 9. *p < 0.05; **p < 0.01; ***p < 0.001. [0012] Figure 4A and Figure 4B show the dry weight of the aerial part of the soybean plants in Example 2. The number above the bar for the glyphosate-only group indicates the percentage decrease compared to the control group. The numbers above the bars for test group 9 indicate the percentage increase compared to the glyphosate-only group. (N = 12) T1 to T9: test group 1 to test group 9. *p < 0.05; **p < 0.01. [0013] Figure 5A shows the observation of the phenotype of corn plants 7 days after application with (glyphosate-only group and test groups 1 to 2) or without (control group) glyphosate in Example 3. Figure 5B shows the observation of the phenotype of corn leaves 7 days after application with (glyphosate-only group and test groups 1 to 2) or without (control group) glyphosate in Example 3. The numbers indicate the order of leaf emergence and the triangles indicate the 6th leaf. [0014] Figure 6 shows electrolyte leakage from corn plants 3 days after application with (glyphosate-only group and test groups 1 to 2) or without (control group) glyphosate in Example 3. The number above the bar for the glyphosate-only group indicates the percentage increase compared to the control group. The numbers above the bars for test groups 1 and 2 indicate the percentage decrease compared to the glyphosate-only group. (N = 5) **p < 0.01. [0015] Figure 7 shows the levels of 2-thiobarbituric acid reactive substances (TBARS) in maize plants 3 days after application with (glyphosate-only group and test groups 1 to 2) or without (control group) glyphosate in Example 3. The number ab