Paper · 2024 · Plants

Antioxidative Response and Phenolic Content of Young Industrial Hemp Leaves at Different Light and Mycorrhiza

Ivana Varga; Marija Kristić; Miroslav Lisjak; et al.

7
claims
14
verbatim quotes
7
citations
3
research areas
✓
Open access · cc-by

Abstract

Due to the increasing presence of industrial hemp (Cannabis sativa L.) and its multiple possibilities of use, the influence of different light and several biopreparations based on beneficial fungi and bacteria on hemp’s morphological and physiological properties were examined. Different biopreparations and their combinations were inoculated on hemp seed and/or substrate and grown under blue and white light. A completely randomized block design was conducted in four replications within 30 days. For biopreparation treatment, vesicular arbuscular mycorrhiza (VAM) in combination with Azotobacter chroococum and Trichoderma spp. were inoculated only on seed or both on seed and in the substrate. Generally, the highest morphological parameters (stem, root and plant length) were recorded on plants in white light and on treatment with applied Trichoderma spp., both on seed and substrate. Blue light negatively affected biopreparation treatments, resulting in lower values of all morphological parameters compared to control. Leaves pigments were higher under blue light, as compared to the white light. At the same time, 1-diphenyl-2-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP), flavonoids, total flavanol content and phenolic acids were not influenced by light type. Biopreparation treatments did not significantly influence the leaves’ pigments content (Chl a, Chl b and Car), nor the phenolic and flavanol content.

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 7

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

White light and Trichoderma treatment yielded the highest stem, root and plant lengths.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
white light and on treatment with applied Trichoderma spp.e0
Interactor
Trichoderma spp.Trichodermae0symbiont
Outcome
stem, root and plant lengthe0
Direction
higheste0

Not reportedComparator

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗
Trichoderma
Trichoderma · Interactor · picture of the genus (one of its species)US Department of Agriculture, Agricultural Research Service, Systematic Botany and Mycology Laboratory, [1] · Public domain · Wikimedia Commons ↗

Verbatim

e0

“the highest morphological parameters (stem, root and plant length) were recorded on plants in white light and on treatment with applied Trichoderma spp., both on seed and substrate.”

✓ located verbatim in the source · abstract, characters 709–890 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Blue light lowered morphological parameters under biopreparation treatments compared with control.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
Blue lighte0
Outcome
all morphological parameterse0
Direction
lowere0
Comparator
controle0

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Blue light negatively affected biopreparation treatments, resulting in lower values of all morphological parameters compared to control.”

✓ located verbatim in the source · abstract, characters 891–1027 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Leaf pigments were higher under blue than white light.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
blue lighte0
Outcome
Leaves pigmentse0
Direction
highere0
Comparator
white lighte0

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Leaves pigments were higher under blue light, as compared to the white light.”

✓ located verbatim in the source · abstract, characters 1028–1105 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Light type did not influence DPPH and FRAP antioxidant measures.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
light typee0
Outcome
1-diphenyl-2-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP)e0
Direction
not influencede0

Not reportedComparator

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“1-diphenyl-2-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP), flavonoids, total flavanol content and phenolic acids were not influenced by light type.”

✓ located verbatim in the source · abstract, characters 1124–1290 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Light type did not influence flavonoids, flavanol content or phenolic acids.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
light typee0
Outcome
flavonoids, total flavanol content and phenolic acidse0
Direction
not influencede0

Not reportedComparator

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“flavonoids, total flavanol content and phenolic acids were not influenced by light type.”

✓ located verbatim in the source · abstract, characters 1202–1290 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Biopreparation treatments did not significantly change leaf pigment content.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
Biopreparation treatmentse0
Outcome
leaves’ pigments content (Chl a, Chl b and Car)e0
Direction
did not significantly influencee0

Not reportedComparator

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Biopreparation treatments did not significantly influence the leaves’ pigments content (Chl a, Chl b and Car), nor the phenolic and flavanol content.”

✓ located verbatim in the source · abstract, characters 1291–1440 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑
Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Biopreparation treatments did not significantly change phenolic and flavanol content.

Taxon
industrial hemp (Cannabis sativa L.)Cannabis sativae1
Treatment
Biopreparation treatmentse0
Outcome
phenolic and flavanol contente0
Direction
did not significantly influencee0

Not reportedComparator

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

Cannabis sativa
Cannabis sativa · TaxonThayne Tuason · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Biopreparation treatments did not significantly influence the leaves’ pigments content (Chl a, Chl b and Car), nor the phenolic and flavanol content.”

✓ located verbatim in the source · abstract, characters 1291–1440 · show in text ↑
e1

“industrial hemp (Cannabis sativa L.)”

✓ located verbatim in the source · abstract, characters 34–70 · show in text ↑

Trichoderma · growth · Cannabis sativaPositive and negative results

4 papers: 3 positive, 1 negative or no effect

2 papers in the same direction as this paper · 1 in the opposite direction

  1. negative
  2. positive
  3. positive
See all 4 papers →

light · quality: phytochemicals · Cannabis sativaPositive and negative results

2 papers: 1 positive, 1 negative or no effect

1 in the opposite direction

  1. positive
See all 2 papers →

light · growth · Cannabis sativaPositive and negative results

13 papers: 11 positive, 2 negative or no effect

10 papers in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative

  1. no effect
  2. no effect
  3. positive

9 papers more in this group

See all 13 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.