Paper · 2023 · Agronomy

Effect of the Exogenous Application of Different Concentrations of Indole-3-Acetic Acid as a Growth Regulator on Onion (Allium cepa L.) Cultivation

Carlos Solano; Adriana Artola; Raquel Barrena; et al.

4
claims
8
verbatim quotes
8
citations
2
research areas
✓
Open access · cc-by

Abstract

Indole-3-acetic acid (IAA) is a key plant hormone that plays crucial roles in plant growth and development. This study investigated the effects of exogenous application of IAA as a growth regulator in onion cultivation (Allium cepa L.). Various IAA concentrations were evaluated to determine their effects on onion growth and chemical parameters. Several agronomic properties and chemical parameters, including total fresh weight, plant height, chlorophyll content, nitrates, total phenols, and antioxidant capacity (DPPH), were analyzed. The results revealed that the exogenous application of different concentrations of IAA had a significant impact on onion growth and quality. Specifically, it was found that certain concentrations of IAA fostered a significant increase in fresh bulb weight and a notable elevation in the levels of phenolic compounds. However, the onion’s response to IAA was concentration dependent. In conclusion, the present study offers evidence that the exogenous application of IAA as a growth regulator can enhance onion growth and quality. These findings hold relevance for the advancement of sustainable agricultural practices and can be directed towards crop enhancement.

Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗

The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.

Claims 4

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Exogenous IAA at different concentrations had a significant impact on onion growth and quality.

Taxon
onionAllium cepae0
Treatment
exogenous application of different concentrations of IAAe1
Outcome
onion growth and qualitye1

Not reportedComparatorDirection

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This study investigated the effects of exogenous application of IAA as a growth regulator in onion cultivation (Allium cepa L.)”

✓ located verbatim in the source · abstract, characters 108–235 · show in text ↑
e1

“The results revealed that the exogenous application of different concentrations of IAA had a significant impact on onion growth and quality”

✓ located verbatim in the source · abstract, characters 539–678 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Certain IAA concentrations significantly increased onion fresh bulb weight.

Taxon
onionAllium cepae0
Treatment
certain concentrations of IAAe2
Outcome
fresh bulb weighte2
Direction
increasee2

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This study investigated the effects of exogenous application of IAA as a growth regulator in onion cultivation (Allium cepa L.)”

✓ located verbatim in the source · abstract, characters 108–235 · show in text ↑
e2

“Specifically, it was found that certain concentrations of IAA fostered a significant increase in fresh bulb weight and a notable elevation in the levels of phenolic compounds”

✓ located verbatim in the source · abstract, characters 680–854 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Certain IAA concentrations notably elevated onion phenolic compound levels.

Taxon
onionAllium cepae0
Treatment
certain concentrations of IAAe2
Outcome
levels of phenolic compoundse2
Direction
elevatione2

Not reportedComparator

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This study investigated the effects of exogenous application of IAA as a growth regulator in onion cultivation (Allium cepa L.)”

✓ located verbatim in the source · abstract, characters 108–235 · show in text ↑
e2

“Specifically, it was found that certain concentrations of IAA fostered a significant increase in fresh bulb weight and a notable elevation in the levels of phenolic compounds”

✓ located verbatim in the source · abstract, characters 680–854 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Onion response to IAA is concentration dependent.

Taxon
onionAllium cepae0
Outcome
response to IAAe3
Qualifier
concentration dependente3

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

Allium cepa
Allium cepa · TaxonMehdi · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“This study investigated the effects of exogenous application of IAA as a growth regulator in onion cultivation (Allium cepa L.)”

✓ located verbatim in the source · abstract, characters 108–235 · show in text ↑
e3

“response to IAA was concentration dependent”

✓ located verbatim in the source · abstract, characters 877–920 · show in text ↑

indole-3-acetic acid · yield · Allium cepa (onion)Results agree

7 papers: 7 positive, 0 negative or no effect

6 papers in the same direction as this paper

  1. positive
  2. positive
  3. positive

3 papers more in this group

See all 7 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.