Abstract
Arbuscular mycorrhizal fungi (AMF) are efficient for improving crop production and quality in organic farming systems. Our objective was to examine the effects of two AMF inocula, Rhizophagus intraradices and Diversispora spp., against a non-inoculated control on lettuce and green onion grown organically in an intercropping cropping system. At time of harvest, colonization levels were very low, and not different compared to the control that was colonized by the native mycorrhizal community. The yield of inoculated lettuce and green onion was unchanged, as also observed in the root system architecture analysis parameters. In both crops, color was not affected, limiting the possibility for consumers to reject the product. Nitrate accumulation was well below the limits set by European Commission in all treatments. Sugar, chlorophyll, K, Na and P contents were also quantified, showing no particular variations. In AMF-treated lettuce, important phytochemical characteristics, such as phenol content and ascorbic acid, showed a tendency for reduced values, while antioxidant capacity was significantly reduced by both AMF treatments. The study provides a description about the effect of AMF on two important co-cultivated crops. Research should be continued in order to determine best matches between plant material and AMF inocula that could result in enhanced production and nutritional quality.
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Claims 11
Claim · model-written summary
AMF colonization at harvest was very low and no different from the native-colonized control.
- Taxon
- lettuce
Lactuca sativat0 - Treatment
- Arbuscular Mycorrhizal Inoculat0
- Interactor
- Arbuscular Mycorrhizalt0symbiont
- Outcome
- colonization levelse0
- Direction
- not differente0
- Qualifier
- At time of harveste0
- Comparator
- the controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At time of harvest, colonization levels were very low, and not different compared to the control that was colonized by the native mycorrhizal community.”
t0“Organically Produced Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
AMF inoculation left lettuce yield unchanged.
- Taxon
- lettuceLactuca sativae0
- Treatment
- inoculatede0
- Outcome
- yielde0
- Direction
- unchangede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yield of inoculated lettuce and green onion was unchanged”
Claim · model-written summary
AMF inoculation left green onion yield unchanged.
Not reportedComparator
Verbatim
e0“The yield of inoculated lettuce and green onion was unchanged”
Claim · model-written summary
Root system architecture parameters were unchanged in the inoculated crops.
- Taxon
- lettuceLactuca sativat0
- Treatment
- Arbuscular Mycorrhizal Inoculat0
- Outcome
- root system architecture analysis parameterse0
- Direction
- unchangede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The yield of inoculated lettuce and green onion was unchanged, as also observed in the root system architecture analysis parameters.”
t0“Organically Produced Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
Color was unaffected in both crops.
- Taxon
- Lettuce and Green Oniont0
- Treatment
- Arbuscular Mycorrhizal Inoculat0
- Outcome
- colore0
- Direction
- not affectede0
Not reportedComparator
Verbatim
e0“In both crops, color was not affected”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
Nitrate accumulation was below European Commission limits across treatments.
Verbatim
e0“Nitrate accumulation was well below the limits set by European Commission in all treatments.”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
Sugar, chlorophyll and K contents showed no particular variation.
- Taxon
- Lettuce and Green Oniont0
- Treatment
- Arbuscular Mycorrhizal Inoculat0
- Outcome
- Sugar, chlorophyll, Ke0
- Direction
- no particular variationse0
Not reportedComparator
Verbatim
e0“Sugar, chlorophyll, K, Na and P contents were also quantified, showing no particular variations.”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
Na and P contents showed no particular variation.
- Taxon
- Lettuce and Green Oniont0
- Treatment
- Arbuscular Mycorrhizal Inoculat0
- Outcome
- Na and P contentse0
- Direction
- no particular variationse0
Not reportedComparator
Verbatim
e0“Sugar, chlorophyll, K, Na and P contents were also quantified, showing no particular variations.”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
AMF-treated lettuce tended toward reduced phenol content and ascorbic acid.
- Taxon
- lettuceLactuca sativae0
- Treatment
- AMF-treatede0
- Outcome
- phenol content and ascorbic acide0
- Direction
- reducede0
- Qualifier
- a tendencye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In AMF-treated lettuce, important phytochemical characteristics, such as phenol content and ascorbic acid, showed a tendency for reduced values”
Claim · model-written summary
Both AMF treatments significantly reduced antioxidant capacity in lettuce.
- Taxon
- LettuceLactuca sativat0
- Treatment
- both AMF treatmentse0
- Outcome
- antioxidant capacitye0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while antioxidant capacity was significantly reduced by both AMF treatments.”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
Claim · model-written summary
The authors call for further research matching plant material to AMF inocula for production and nutritional quality.
Verbatim
e0“Research should be continued in order to determine best matches between plant material and AMF inocula that could result in enhanced production and nutritional quality.”
t0“Lettuce and Green Onion with the Use of Arbuscular Mycorrhizal Inocula”
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