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 sex expression, and the promotion of flowering. The gibberellic acid application also leads to an increased rate of cell division.

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Description

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)

Grapes

First: 30-35 days after pruning

Second : During the match head stage

70-80

180-200

Cotton

First spray: 40-45 DAP

Second spray: At the time of boll formation

70-80

180-200

Banana

First spray: 3rd month

Second spray: 5th month

Third spray: At the time of fruit formation

100-120

180-200

Sugarcane (Planted crop)

First spray:40-45 DAP

Second spray: 75-80 DAP

70-80

180-200

Paddy

Short duration varieties: 20-25 DAT

Medium duration varieties: 30-35 DAT

Long duration varieties: 40- 45 DAT

70-80

180-200

Cabbage / Cauliflower

First spray: 45 DAS

Second spray: 65 DAS

70-80

180-200

Onion

25-30 days after planting

70-80

180-200

Brinjal / Bhendi

First spray:34 DAP

Second spray: 70 DAP

Third spray: 105 DAP

180-190

180-200

Ground nut

30-35 days after sowing

Second spray: At the time of flowering

70-80

180-200

Muberry

First spray 15-20 days after harvest

Second spray: 25-30 days after first spray

180-190

180-200