Paper · 2026 · Journal of Advances in Biology & Biotechnology

Effect of Foliar Application of Gibberellic Acid and Triacontanol on Growth, Physiological Performance and Productivity of Soybean [Glycine max (L.) Merrill]

Nishtha Pandey; R. K. Samaiya; Perul Bisen; et al.

3
claims
6
verbatim quotes
0
citations
2
research areas
✓
Open access

Abstract

Gibberellic acid (GA) and Triacontanol are two plant growth-promoting substances that have significant potential to enhance crop growth, and productivity. Gibberellins (GAs) are plant hormones that are essential for many developmental processes in plants, including seed germination, stem elongation, leaf expansion, trichome development, pollen maturation and the induction of flowering. The Present study highlights the effect of Foliar Spray of GA and Triacontanol on Growth, Physiology and Productivity of Soybean [Glycine max (L.) Merrill.]. The study was carried out at the Experimental field of Botanical Garden, Department Plant Physiology Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur, Madhya Pradesh, during Kharif (2023-24). The experiment was laid out in Randomized Block Design (RBD) with three replications. The soybean variety JS20 98 was tested under different plant growth regulator management. The treatment consists of six treatment viz; T1: Control, T2: GA3 1.5 ml/L, T3: GA3 2.0 ml/L, T4: GA3 2.5 ml/L, T5: GA3 3.0 ml/L, T6:Triacontanol 0.5 ml/L, with two foliar sprays (first spray at Flowering and second at pod initiation stages for growth, yield and quality. The observation was recorded at different stages of the crop. The foliar application of Triacontanol@ 0.5 ml/L was found to have a significant effect on the number of seeds per pod. Foliar application of GA₃ at 3.0 mL L⁻¹ significantly increased plant height, leaf area index (LAI), crop growth rate (CGR), number of branches per plant, seeds per pod, and 100-seed weight in soybean.

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Claims 3

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Triacontanol at 0.5 ml/L significantly affected seeds per pod.

Taxon
Soybean [Glycine max (L.) Merrill]Glycine maxt0
Treatment
Triacontanol@ 0.5 ml/Le0
Outcome
number of seeds per pode0

Not reportedComparatorDirection

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Soybean [Glycine max (L.) Merrill]”

✓ located verbatim in the source · title, characters 123–157 · show in text ↑
e0

“The foliar application of Triacontanol@ 0.5 ml/L was found to have a significant effect on the number of seeds per pod.”

✓ located verbatim in the source · abstract, characters 1251–1370 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Foliar GA₃ at 3.0 mL L⁻¹ significantly increased plant height, leaf area index and crop growth rate.

Taxon
Soybean [Glycine max (L.) Merrill]Glycine maxt0
Treatment
Foliar application of GA₃ at 3.0 mL L⁻¹e0
Outcome
plant height, leaf area index (LAI), crop growth rate (CGR)e0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Soybean [Glycine max (L.) Merrill]”

✓ located verbatim in the source · title, characters 123–157 · show in text ↑
e0

“Foliar application of GA₃ at 3.0 mL L⁻¹ significantly increased plant height, leaf area index (LAI), crop growth rate (CGR), number of branches per plant, seeds per pod, and 100-seed weight in soybean.”

✓ located verbatim in the source · abstract, characters 1371–1572 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Foliar GA₃ at 3.0 mL L⁻¹ significantly increased branches per plant, seeds per pod and 100-seed weight.

Taxon
Soybean [Glycine max (L.) Merrill]Glycine maxt0
Treatment
Foliar application of GA₃ at 3.0 mL L⁻¹e0
Outcome
number of branches per plant, seeds per pod, and 100-seed weighte0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Glycine max
Glycine max · TaxonPublic domain · Wikimedia Commons ↗

Verbatim

t0

“Soybean [Glycine max (L.) Merrill]”

✓ located verbatim in the source · title, characters 123–157 · show in text ↑
e0

“Foliar application of GA₃ at 3.0 mL L⁻¹ significantly increased plant height, leaf area index (LAI), crop growth rate (CGR), number of branches per plant, seeds per pod, and 100-seed weight in soybean.”

✓ located verbatim in the source · abstract, characters 1371–1572 · show in text ↑

Gibberellic acid · growth · Glycine max (soybean)Results differ

35 papers: 30 positive, 5 negative or no effect

29 papers in the same direction as this paper · 5 in the opposite direction

  1. no effect
  2. no effect
  3. no effect

31 papers more in this group

See all 35 papers →

Gibberellic acid · yield · Glycine max (soybean)Results agree

17 papers: 17 positive, 0 negative or no effect

16 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

13 papers more in this group

See all 17 papers →

application · growth · Glycine max (soybean)Positive and negative results

207 papers: 171 positive, 36 negative or no effect

170 papers in the same direction as this paper · 35 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. no effect

203 papers more in this group

See all 207 papers →

application · yield · Glycine max (soybean)Positive and negative results

404 papers: 332 positive, 72 negative or no effect

331 papers in the same direction as this paper · 66 in the opposite direction · 6 reporting no difference from an alternative

  1. negative
  2. no effect
  3. no effect

400 papers more in this group

See all 404 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.