Abstract
Improving bulb yield and allicin content of garlic is important in meeting fresh and pharmaceutical market demands. Garlic plants have a high demand for sulfur (S) since allicin contains S atoms. Two experiments were conducted to identify the effect of S application rate on garlic yield and quality. In a field trial assessing six S application rates (0–150 kg S ha−1), cultivar ‘Glenlarge’ produced the greatest bulb weight (~90 g) and allicin content (521 mg bulb−1) with the application of 75 kg S ha−1. In contrast, cultivar ‘Southern Glen’ showed no response in bulb weight or allicin. This was likely due to high soil background S concentrations masking treatment effects. Subsequently, a solution culture experiment with cv. ‘Glenlarge’ evaluated six S application rates (188 to 1504 mg S plant−1, nominally equivalent to 25–200 kg S ha−1). In solution culture, bulb weight and allicin concentration increased with S rate. Highest bulb weight (~53 g bulb−1) and allicin concentration (~11 mg g−1 DW) were recorded at an S application of 1504 mg S plant−1. This is the first report to conclusively demonstrate the effect of S on yield and allicin in garlic grown in solution culture.
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Claims 7
Claim · model-written summary
Cultivar Glenlarge had the greatest bulb weight (~90 g) at 75 kg S ha−1 in the field trial.
- Taxon
- Garlic
Allium sativume0 - Material
- Glenlargee1
- Organ / stage
- bulbe1
- Treatment
- application of 75 kg S ha−1e1
- Outcome
- bulb weighte1
- Direction
- greateste1
- Value
- ~90 ge1
- Setting
- field triale7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e7“In a field trial assessing six S application rates”
e1“cultivar ‘Glenlarge’ produced the greatest bulb weight (~90 g) and allicin content (521 mg bulb−1) with the application of 75 kg S ha−1”
Claim · model-written summary
Cultivar Glenlarge had the greatest allicin content (521 mg bulb−1) at 75 kg S ha−1 in the field trial.
- Taxon
- GarlicAllium sativume0
- Material
- Glenlargee1
- Treatment
- application of 75 kg S ha−1e1
- Outcome
- allicin contente1
- Direction
- greateste1
- Value
- 521 mg bulb−1e1
- Setting
- field triale7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e7“In a field trial assessing six S application rates”
e1“cultivar ‘Glenlarge’ produced the greatest bulb weight (~90 g) and allicin content (521 mg bulb−1) with the application of 75 kg S ha−1”
Claim · model-written summary
Cultivar Southern Glen showed no response in bulb weight or allicin to sulfur application.
- Taxon
- GarlicAllium sativume0
- Material
- Southern Glene3
- Outcome
- bulb weight or allicine3
- Direction
- no responsee3
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e3“cultivar ‘Southern Glen’ showed no response in bulb weight or allicin”
Claim · model-written summary
High soil background S concentrations likely masked the sulfur treatment effects on garlic.
- Taxon
- GarlicAllium sativume0
- Outcome
- treatment effectse4
- Qualifier
- high soil background S concentrationse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e4“This was likely due to high soil background S concentrations masking treatment effects”
Claim · model-written summary
In solution culture, bulb weight and allicin concentration increased with sulfur rate.
- Taxon
- GarlicAllium sativume0
- Treatment
- S ratee5
- Outcome
- bulb weight and allicin concentratione5
- Direction
- increasede5
- Setting
- solution culturee5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e5“In solution culture, bulb weight and allicin concentration increased with S rate”
Claim · model-written summary
Highest bulb weight (~53 g) in solution culture was at 1504 mg S plant−1 sulfur application.
- Taxon
- GarlicAllium sativume0
- Treatment
- S application of 1504 mg S plant−1e6
- Outcome
- bulb weighte6
- Direction
- Higheste6
- Value
- ~53 g bulb−1e6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e6“Highest bulb weight (~53 g bulb−1) and allicin concentration (~11 mg g−1 DW) were recorded at an S application of 1504 mg S plant−1”
Claim · model-written summary
Highest allicin concentration (~11 mg g−1 DW) in solution culture was at 1504 mg S plant−1 sulfur application.
- Taxon
- GarlicAllium sativume0
- Treatment
- S application of 1504 mg S plant−1e6
- Outcome
- allicin concentratione6
- Direction
- Higheste6
- Value
- ~11 mg g−1 DWe6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Garlic plants have a high demand for sulfur (S) since allicin contains S atoms”
e6“Highest bulb weight (~53 g bulb−1) and allicin concentration (~11 mg g−1 DW) were recorded at an S application of 1504 mg S plant−1”
The same questions in other papers
sulfur atom · molecular: metabolites · Allium sativum (garlic)Positive and negative results
12 papers in the same direction as this paper · 1 in the opposite direction
- positive
- positive
- no effect
10 papers more in this group
See all 14 papers →sulfur atom · yield · Allium sativum (garlic)Results agree
32 papers in the same direction as this paper
- positive
- positive
- positive
29 papers more in this group
See all 33 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.