Abstract
The influence of environmental conditions and genotype x environment effects on the alliin content of garlic bulbs were studied. The objective was to improve the quality of garlic bulbs with regard to alliin content. Field trials were carried out for 2 years in France and Spain with increasing sulphur fertilisation in soil: 0-50-100-200 or 400 kg SO4/ha were investigated on 3 varieties in 2000 ('Printanor', 'Messidrôme' and 'Morasol') and only on 'Printanor' in 2001. S fertilisation affected alliin content on 'Printanor' in France, but was not confirmed in Spain where alliin contents were 3 to 5 fold higher than in France. These results were correlated to the soil sulphur in the two areas as Spanish soil was always higher in water soluble and total sulphur than French soil. However, the influence of other factors could not be excluded. Experiments were also carried out in controlled conditions (in vitro and greenhouse) to study the influence of sulphur fertilisation combined to other environmental factors such as light, carbohydrate availability and temperature. A strong genotypic effect was confirmed in both controlled conditions with light spectral quality having a large effect on alliin content on the in vitro bulbs. Temperature did not have a large effect on allying, but did interact with sucrose concentration to affect alliin accumulation in the bulbs. We also found an interaction between S fertilisation and genotype in greenhouse, and genotype by light spectrum interaction, in vitro. Our results confirm that multiple factors affect alliin accumulation in garlic, and that these factors should be considered when growing garlic for flavour or therapeutic value.
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Claims 10
Claim · model-written summary
Sulphur fertilisation affected alliin content of Printanor garlic in France.
- Taxon
- GARLIC
Allium sativumt0 - Material
- 'Printanor'e0
- Treatment
- S fertilisatione0
- Outcome
- alliin contente0
- Setting
- Francee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S fertilisation affected alliin content on 'Printanor' in France, but was not confirmed in Spain where alliin contents were 3 to 5 fold higher than in France.”
t0“GARLIC”
Claim · model-written summary
The sulphur fertilisation effect on alliin content of Printanor was not confirmed in Spain.
- Taxon
- GARLICAllium sativumt0
- Material
- 'Printanor'e0
- Treatment
- S fertilisatione0
- Outcome
- alliin contente0
- Direction
- not confirmede0
- Setting
- Spaine0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S fertilisation affected alliin content on 'Printanor' in France, but was not confirmed in Spain where alliin contents were 3 to 5 fold higher than in France.”
t0“GARLIC”
Claim · model-written summary
Garlic alliin content was 3 to 5 fold higher in Spain than France.
- Taxon
- GARLICAllium sativumt0
- Outcome
- alliin contentse0
- Direction
- highere0
- Value
- 3 to 5 folde0
- Comparator
- Francee0
- Setting
- Spaine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S fertilisation affected alliin content on 'Printanor' in France, but was not confirmed in Spain where alliin contents were 3 to 5 fold higher than in France.”
t0“GARLIC”
Claim · model-written summary
The regional differences correlated with soil sulphur, which was higher in Spanish than French soil.
- Taxon
- GARLICAllium sativumt0
- Outcome
- soil sulphure0
- Direction
- highere0
- Qualifier
- correlatede0
- Comparator
- French soile0
- Setting
- Spanish soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These results were correlated to the soil sulphur in the two areas as Spanish soil was always higher in water soluble and total sulphur than French soil.”
t0“GARLIC”
Claim · model-written summary
Genotype strongly affected garlic alliin content in controlled conditions.
- Taxon
- GARLICAllium sativumt0
- Material
- genotypice0
- Outcome
- alliin contente0
- Setting
- controlled conditionse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A strong genotypic effect was confirmed in both controlled conditions with light spectral quality having a large effect on alliin content on the in vitro bulbs.”
t0“GARLIC”
Claim · model-written summary
Light spectral quality had a large effect on alliin content of in vitro bulbs.
- Taxon
- GARLICAllium sativumt0
- Treatment
- light spectral qualitye0
- Outcome
- alliin contente0
- Setting
- in vitroe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A strong genotypic effect was confirmed in both controlled conditions with light spectral quality having a large effect on alliin content on the in vitro bulbs.”
t0“GARLIC”
Claim · model-written summary
Temperature did not have a large effect on alliin accumulation.
- Taxon
- GARLICAllium sativumt0
- Treatment
- Temperaturee0
- Outcome
- allyinge0
- Direction
- did not have a large effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Temperature did not have a large effect on allying, but did interact with sucrose concentration to affect alliin accumulation in the bulbs.”
t0“GARLIC”
Claim · model-written summary
Temperature interacted with sucrose concentration to affect alliin accumulation in bulbs.
- Taxon
- GARLICAllium sativumt0
- Organ / stage
- bulbse0
- Treatment
- Temperaturee0
- Compound
- sucrosee0
- Outcome
- alliin accumulatione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Temperature did not have a large effect on allying, but did interact with sucrose concentration to affect alliin accumulation in the bulbs.”
t0“GARLIC”
Claim · model-written summary
Sulphur fertilisation interacted with genotype in greenhouse conditions.
- Taxon
- GARLICAllium sativumt0
- Material
- genotypee0
- Treatment
- S fertilisatione0
- Outcome
- interaction between S fertilisation and genotypee0
- Setting
- greenhousee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We also found an interaction between S fertilisation and genotype in greenhouse, and genotype by light spectrum interaction, in vitro.”
t0“GARLIC”
Claim · model-written summary
Genotype interacted with light spectrum in vitro.
- Taxon
- GARLICAllium sativumt0
- Material
- genotypee0
- Treatment
- light spectrume0
- Outcome
- genotype by light spectrum interactione0
- Setting
- in vitroe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We also found an interaction between S fertilisation and genotype in greenhouse, and genotype by light spectrum interaction, in vitro.”
t0“GARLIC”
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