Abstract
The objective of this research was to determine growth and dry matter partitioning among organs of strawberry stock plants under five Nitrogen concentrations in the nutrient solution and its effects on emission and growth of runner tips. The experiment was carried out under greenhouse conditions, from September 2010 to March 2011, in a soilless system with Oso Grande and Camino Real cultivars. Nitrogen concentrations of 5.12, 7.6, 10.12 (control), 12.62 and 15.12 mmol L-1 in the nutrient solution were studied in a 5x2 factorial randomised experimental design. All runner tips bearing at least one expanded leaf (patent requested) were collected weekly and counted during the growth period. The number of leaves, dry matter (DM) of leaves, crown and root, specific leaf area and leaf area index (LAI) was determined at the final harvest. Increasing N concentration in the nutrient solution from 5.12 to 15.12 mmol L-1 reduces growth of crown, roots and LAI of strawberry stock plants but did not affect emission and growth of runner tips. It was concluded that for the commercial production of plug plants the optimal nitrogen concentration in the nutrient solution should be 5.12 mmol L-1.
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Claims 3
Claim · model-written summary
Increasing nutrient-solution N from 5.12 to 15.12 mmol L-1 reduced growth of crown, roots and LAI of strawberry stock plants, compared with 10.12 mmol L-1 (control).
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae2 - Material
- Oso Grande and Camino Reale1
- Organ / stage
- crown, rootse2
- Treatment
- Increasing N concentration in the nutrient solution from 5.12 to 15.12 mmol L-1e2
- Outcome
- growth of crown, roots and LAIe2
- Direction
- reducese2
- Comparator
- 10.12 (control)e0
- Setting
- greenhouse conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e2“Increasing N concentration in the nutrient solution from 5.12 to 15.12 mmol L-1 reduces growth of crown, roots and LAI of strawberry stock plants but did not affect emission and growth of runner tips”
e0“Nitrogen concentrations of 5.12, 7.6, 10.12 (control), 12.62 and 15.12 mmol L-1 in the nutrient solution were studied”
e1“The experiment was carried out under greenhouse conditions, from September 2010 to March 2011, in a soilless system with Oso Grande and Camino Real cultivars”
Claim · model-written summary
Increasing nutrient-solution N from 5.12 to 15.12 mmol L-1 did not affect emission and growth of runner tips, compared with 10.12 mmol L-1 (control).
- Taxon
- strawberryFragaria ×ananassae2
- Material
- Oso Grande and Camino Reale1
- Treatment
- Increasing N concentration in the nutrient solution from 5.12 to 15.12 mmol L-1e2
- Outcome
- emission and growth of runner tipse2
- Direction
- did not affecte2
- Comparator
- 10.12 (control)e0
- Setting
- greenhouse conditionse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Increasing N concentration in the nutrient solution from 5.12 to 15.12 mmol L-1 reduces growth of crown, roots and LAI of strawberry stock plants but did not affect emission and growth of runner tips”
e0“Nitrogen concentrations of 5.12, 7.6, 10.12 (control), 12.62 and 15.12 mmol L-1 in the nutrient solution were studied”
e1“The experiment was carried out under greenhouse conditions, from September 2010 to March 2011, in a soilless system with Oso Grande and Camino Real cultivars”
Claim · model-written summary
The authors conclude that the optimal nitrogen concentration for commercial production of strawberry plug plants is 5.12 mmol L-1.
- Taxon
- strawberryFragaria ×ananassat0
- Outcome
- optimal nitrogen concentration in the nutrient solutione3
- Value
- 5.12 mmol L-1e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“production of strawberry runner tips”
e3“It was concluded that for the commercial production of plug plants the optimal nitrogen concentration in the nutrient solution should be 5.12 mmol L-1”
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