Abstract
Day-neutral (DN) strawberry cultivars are increasingly grown in Canada because they produce flowers and fruits continuously until October. Appropriate artificial lighting conditions during preparation of high-quality transplants is critical. Unfortunately, systematic evaluation of appropriate artificial lighting conditions during transplant production is limited. The objective of this study was to determine how an extended photoperiod supplemented with different light quality affects the vegetative and reproductive growth of a day-neutral cultivar during transplant production. In the first trial, we investigated the photoperiodic nature of the DN cultivar ‘Albion’ under low intensity incandescent light. Transplants were grown under three light combinations with different far-red : blue ratios (1:5, 5:1 and 1:1), supplemented for long day (LD; 24 h), short day (SD; 10 h) photoperiods and during a night interruption (NI) for 2 h. ‘Albion’ cultivar exhibited similar degree of flowering sensitivity regardless of photoperiod duration when incandescent light was used as predominant light source. In case of light emitting diodes (LEDs), dominant blue (1:5) LEDs prompted a significant increase in flower bud induction (FBI), more explicitly under the LD photoperiod. Furthermore, transplants grown under dominant blue light (1:5) supplied during NI produced eight flower buds per plant, the highest among all treatments, and promoted flower development outside the crown. Based on the results, it appears that lower wavelengths advance flowering and higher wavelengths contribute towards the morphological traits especially during transplant production. Results suggest that combination of far-red and blue LEDs at 1:5 ratio could be a potential light source to improve flower bud induction and floral development to subsequently increase fruit production.
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Claims 7
Claim · model-written summary
Dominant blue (1:5) LEDs significantly increased flower bud induction in day-neutral strawberry transplants.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- dominant blue (1:5) LEDse1
- Outcome
- flower bud induction (FBI)e1
- Direction
- increasee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
t0“day-neutral strawberry cultivars”
e1“dominant blue (1:5) LEDs prompted a significant increase in flower bud induction (FBI), more explicitly under the LD photoperiod”
Claim · model-written summary
Transplants under dominant blue light (1:5) during night interruption produced eight flower buds per plant, the highest among all treatments.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- day-neutralt0
- Treatment
- dominant blue light (1:5) supplied during NIe2
- Outcome
- flower buds per plante2
- Direction
- higheste2
- Value
- eighte2
- Comparator
- all treatmentse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e2“transplants grown under dominant blue light (1:5) supplied during NI produced eight flower buds per plant, the highest among all treatments, and promoted flower development outside the crown”
Claim · model-written summary
Transplants under dominant blue light (1:5) during night interruption promoted flower development outside the crown.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- dominant blue light (1:5) supplied during NIe2
- Outcome
- flower development outside the crowne2
- Direction
- promotede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e2“transplants grown under dominant blue light (1:5) supplied during NI produced eight flower buds per plant, the highest among all treatments, and promoted flower development outside the crown”
Claim · model-written summary
Lower wavelengths appear to advance flowering in strawberry transplants.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- lower wavelengthse3
- Outcome
- floweringe3
- Direction
- advancee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e3“lower wavelengths advance flowering and higher wavelengths contribute towards the morphological traits”
Claim · model-written summary
Higher wavelengths appear to contribute towards morphological traits of strawberry transplants.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- higher wavelengthse3
- Outcome
- morphological traitse3
- Direction
- contribute towardse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e3“lower wavelengths advance flowering and higher wavelengths contribute towards the morphological traits”
Claim · model-written summary
A combination of far-red and blue LEDs at 1:5 ratio could be a potential light source for strawberry transplants.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- potential light sourcee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e4“combination of far-red and blue LEDs at 1:5 ratio could be a potential light source to improve flower bud induction and floral development”
Claim · model-written summary
The Albion cultivar showed similar flowering sensitivity regardless of photoperiod duration under incandescent light.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- Albione5
- Treatment
- photoperiod duratione5
- Outcome
- flowering sensitivitye5
- Direction
- similare5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“day-neutral strawberry cultivars”
e5“‘Albion’ cultivar exhibited similar degree of flowering sensitivity regardless of photoperiod duration when incandescent light was used as predominant light source”
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See all 68 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.