Abstract
Abstract A field experiment conducted in Al-Karma District, Anbar Governorate, during the 2020 growing season investigated the impact of spraying indole acetic acid (IAA) in combination with traditional and nano-zinc on onion growth and yield. The experiment used a randomized complete block design (R.C.B.D.) with nine treatments: control (T1), IAA at 100 mg L⁻¹ (T2), IAA at 200 mg L⁻¹ (T3), traditional zinc at 100 mg L⁻¹ (T4), nano-zinc at 20 mg L⁻¹ (T5), IAA at 100 mg L⁻¹ + traditional zinc (T6), IAA at 100 mg L⁻¹ + nano-zinc (T7), IAA at 200 mg L⁻¹ + traditional zinc (T8), and IAA at 200 mg L⁻¹ + nano-zinc (T9). Analysis at a 0.05 significance level revealed that T9 significantly increased plant height (50.13 cm). T3 excelled in leaf number and leaf area, with 17.67 leaves per plant and 34.79 dm 2 leaf area per plant, respectively. T6 significantly improved yield characteristics, including bulb thickness (77.40 mm), total plant yield (20.79 mg kg⁻¹), and fertilization efficiency (33.33%)
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Claims 6
Claim · model-written summary
Foliar IAA at 200 mg L⁻¹ with nano-zinc significantly increased onion plant height (50.13 cm).
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 200 mg L⁻¹ + nano-zince2
- Outcome
- plant heighte1
- Direction
- increasede1
- Value
- 50.13 cme1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e1“T9 significantly increased plant height (50.13 cm)”
e2“IAA at 200 mg L⁻¹ + nano-zinc (T9)”
Claim · model-written summary
Foliar IAA at 200 mg L⁻¹ excelled in onion leaf number, with 17.67 leaves per plant.
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 200 mg L⁻¹ (T3)e4
- Outcome
- leaf numbere3
- Direction
- excellede3
- Value
- 17.67 leaves per plante3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e3“T3 excelled in leaf number and leaf area, with 17.67 leaves per plant and 34.79 dm 2 leaf area per plant”
e4“IAA at 200 mg L⁻¹ (T3)”
Claim · model-written summary
Foliar IAA at 200 mg L⁻¹ excelled in onion leaf area, with 34.79 dm 2 per plant.
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 200 mg L⁻¹ (T3)e4
- Outcome
- leaf areae3
- Direction
- excellede3
- Value
- 34.79 dm 2e3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e3“T3 excelled in leaf number and leaf area, with 17.67 leaves per plant and 34.79 dm 2 leaf area per plant”
e4“IAA at 200 mg L⁻¹ (T3)”
Claim · model-written summary
IAA at 100 mg L⁻¹ with traditional zinc significantly improved onion bulb thickness (77.40 mm).
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 100 mg L⁻¹ + traditional zince5
- Outcome
- bulb thicknesse6
- Direction
- improvede6
- Value
- 77.40 mme6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e5“IAA at 100 mg L⁻¹ + traditional zinc (T6)”
e6“T6 significantly improved yield characteristics, including bulb thickness (77.40 mm)”
Claim · model-written summary
IAA at 100 mg L⁻¹ with traditional zinc significantly improved onion total plant yield (20.79 mg kg⁻¹).
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 100 mg L⁻¹ + traditional zince5
- Outcome
- total plant yielde7
- Direction
- improvede7
- Value
- 20.79 mg kg⁻¹e7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e5“IAA at 100 mg L⁻¹ + traditional zinc (T6)”
e7“T6 significantly improved yield characteristics, including bulb thickness (77.40 mm), total plant yield (20.79 mg kg⁻¹)”
Claim · model-written summary
IAA at 100 mg L⁻¹ with traditional zinc significantly improved onion fertilization efficiency (33.33%).
- Taxon
- Onion
Allium cepat0 - Treatment
- IAA at 100 mg L⁻¹ + traditional zince5
- Outcome
- fertilization efficiencye7
- Direction
- improvede7
- Value
- 33.33%e7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Onion Growth and Yield”
e5“IAA at 100 mg L⁻¹ + traditional zinc (T6)”
e7“T6 significantly improved yield characteristics, including bulb thickness (77.40 mm), total plant yield (20.79 mg kg⁻¹), and fertilization efficiency (33.33%)”
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