Abstract
This work provides new evidences on the effect of pre-harvest red (R), green (G), blue (B), and white (W – R:G:B; 1:1:1) LED light supplementation on production, nutraceutical quality and Botrytis cinerea control of harvested strawberry fruit. Yield, fruit color, firmness, soluble solid content, titratable acidity, primary and specialized metabolites, expression of targeted genes and mold development were analyzed in fruit from light-supplemented plants, starting from the strawberry flowering, radiating 250 μmol m–2 s–1 of light for five hours per day (from 11:00 to 16:00 h), until the fruit harvest. Briefly, R light induced the highest productivity and targeted anthocyanin accumulation, whilst B and G lights increased the accumulation of primary and secondary metabolites especially belonging to ellagitannin and proanthocyanidin classes. R light also promoted pathogen tolerance in fruit by the upregulation of genes involved in cell wall development (F × aPE41), inhibition of fungus polygalacturonases (F × aPGIP1) and the degradation of B. cinerea beta-glucans (F × aBG2-1). Our dataset highlights the possibility to use red LED light to increase fruit yield, “photomodulate” strawberry fruit quality and increase B. cinerea tolerance. These results can be useful in terms of future reduction of agrochemical inputs through the use of R light, enhancing, at the same time, fruit production and quality. Finally, further analyses might clarify the effect of pre-harvest supplemental G light on postharvest fruit quality.
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Claims 8
Claim · model-written summary
Red light induced the highest strawberry productivity.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- R lighte0
- Outcome
- productivitye0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
t0“strawberry”
e0“R light induced the highest productivity”
Claim · model-written summary
Red light induced targeted anthocyanin accumulation.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- R lighte0
- Outcome
- targeted anthocyanin accumulatione0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“R light induced the highest productivity and targeted anthocyanin accumulation”
Claim · model-written summary
Blue light increased primary and secondary metabolite accumulation, especially ellagitannins and proanthocyanidins.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Be0
- Outcome
- accumulation of primary and secondary metabolitese0
- Direction
- increasede0
- Qualifier
- ellagitannin and proanthocyanidin classese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“B and G lights increased the accumulation of primary and secondary metabolites especially belonging to ellagitannin and proanthocyanidin classes.”
Claim · model-written summary
Green light increased primary and secondary metabolite accumulation, especially ellagitannins and proanthocyanidins.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- Ge0
- Outcome
- accumulation of primary and secondary metabolitese0
- Direction
- increasede0
- Qualifier
- ellagitannin and proanthocyanidin classese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“B and G lights increased the accumulation of primary and secondary metabolites especially belonging to ellagitannin and proanthocyanidin classes.”
Claim · model-written summary
Red light promoted Botrytis tolerance in strawberry fruit.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- R lighte0
- Interactor
- B. cinerea
Botrytis cinereae0pathogen - Outcome
- pathogen tolerance in fruite0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“R light also promoted pathogen tolerance in fruit by the upregulation of genes involved in cell wall development (F × aPE41), inhibition of fungus polygalacturonases (F × aPGIP1) and the degradation of B. cinerea beta-glucans (F × aBG2-1).”
Claim · model-written summary
Red light upregulated F × aPE41 in strawberry fruit.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- red LED lightt1
- Gene
- F × aPE41e0
- Outcome
- upregulation of genese0
- Direction
- upregulatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
t1“red LED light”
e0“upregulation of genes involved in cell wall development (F × aPE41)”
Claim · model-written summary
Red light induced inhibition associated with F × aPGIP1.
- Taxon
- strawberryFragaria ×ananassat0
- Gene
- F × aPGIP1e0
- Outcome
- inhibition of fungus polygalacturonasese0
- Direction
- inhibitione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“inhibition of fungus polygalacturonases (F × aPGIP1)”
Claim · model-written summary
Red light induced degradation of B. cinerea beta-glucans associated with F × aBG2-1.
- Taxon
- strawberryFragaria ×ananassat0
- Interactor
- B. cinereaBotrytis cinereae0pathogen
- Gene
- F × aBG2-1e0
- Outcome
- degradation of B. cinerea beta-glucanse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“strawberry”
e0“degradation of B. cinerea beta-glucans (F × aBG2-1)”
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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.