Gibberellic Acid 0.001% L

Gibberellic Acid 0.001% L

Gibberellic acid is widely used in agriculture due to its properties as a plant growth regulator. Gibberellic acid is involved in the induction of seed germination, the promotion of shoot growth, the lengthening of internodes, the determination of a plant’s genetics, and the promotion of flowering. The gibberellic acid application also leads to an increased rate of cell division.

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Mode of Action of Gibberellic Acid 0.001% L

Stem Elongation: Gibberellic acid promotes stem elongation by stimulating cell division and elongation in the internodal regions. It triggers the synthesis of enzymes that break down the cell wall components, allowing cells to expand and elongate. This process results in increased plant height and internode length.

Cell Division and Elongation: Gibberellic acid influences the cell cycle and cell division, leading to increased cell proliferation. It also enhances cell elongation by stimulating the synthesis of proteins involved in cell expansion. This combination of increased cell division and elongation contributes to overall plant growth.

Seed Germination: Gibberellic acid breaks seed dormancy and promotes germination. It stimulates the synthesis of hydrolytic enzymes, such as amylases, which degrade starch reserves in the seed, providing the energy required for germination. It also promotes the production of enzymes that weaken the seed coat, allowing the emerging seedling to break through.

Flowering and Fruit Development: Gibberellic acid influences the transition from vegetative growth to reproductive growth, promoting flowering. It interacts with other hormones, such as auxins and cytokinins, to regulate floral induction and development. Additionally, it can enhance fruit set and development by stimulating cell division and elongation in the ovary, leading to larger and more developed fruits.

Delaying Senescence: Gibberellic acid can delay senescence (ageing) in certain plant tissues and organs. It inhibits the breakdown of chlorophyll and promotes the synthesis of proteins and other compounds that help maintain tissue integrity and function. This property can be beneficial for extending the shelf life of harvested crops.

 Benefits of Gibberellic Acid 0.001% L

  • Stimulates stem elongation.
  • Promotes seed germination.
  • Enhances flowering and fruit development.
  • Delays senescence.
  • Improves crop productivity.

Target Crop(s), Application Time, and Dosage of Gibberellic Acid 0.001% L

Crop(s) Application Time Dosage/Acre (ml) Dilution in Water (Lit/Acre) Waiting Period between last spray to harvest (Days)
Grapes First: 30-35 days after pruning
Second: During the match head stage		 72 180-200 2
Cotton First spray: 40-45 DAP
Second spray: At the time of boll formation		 72 180-200 2
Banana First spray: 3rd month
Second spray: 5th month
Third spray: At the time of fruit formation		 108 180-200
Sugarcane (Planted crop) First spray: 40-45 DAP
Second spray: 75-80 DAP		 72 180-200 2
Paddy Short duration: 20-25 DAT
Medium duration: 30-35 DAT
Long duration: 40-45 DAT		 72 180-200 1
Cabbage / Cauliflower First spray: 45 DAS
Second spray: 65 DAS		 72 180-200 2
Onion 25-30 days after planting 72 180-200 1
Brinjal / Bhendi First spray: 34 DAP
Second spray: 70 DAP
Third spray: 105 DAP		 180 180-200 3
Ground nut 30-35 days after sowing
Second spray: At the time of flowering		 72 180-200 1
Mulberry First spray: 15-20 days after harvest
Second spray: 25-30 days after first spray		 180 180-200 2

Antidote:

No specific antidote is known. Treat symptomatically.