Abstract
SummaryThe effects of different durations of cold storage (0, 2, 4, 6, 8, 10 and 12 weeks at –2°C and +3°C) on strawberry plants cv. Elsanta from two different lifting dates (6 November and 6 December) were investigated, to determine the chilling required for optimum growth and development. With greater durations of chilling, the petiole length, leaf weight and runner production of plants were increased. The chilling requirement for optimum vegetative growth was saturated after 6–8 weeks. For chilling durations up to six weeks there was no difference between the two cold storage temperatures, but with larger durations subsequent vegetative growth of the plants stored at –2°C was reduced compared with plants stored at +3°C. The vegetative growth after cold storage of plants lifted on 6 December was greater than that of plants lifted on 6 November. Cold storage temperature did not affect the number of flowers produced per plant, fruit number or fruit weight. However fruit number and fruit weight were both greater in plants lifted on 6 November than in those lifted on 6 December. In a second experiment, the effects of chilling duration on growth and fruiting at three forcing temperatures were studied. There was no significant interaction between chilling duration and temperature during forcing, and while eight weeks chilling was optimum for vegetative growth, in terms of fruit production four weeks chilling was optimum. Overall, these results indicate that there may be an important interaction between fruit set and vegetative vigour and that field chilling is more effective than cold store chilling in promoting vegetative growth. The results also show that the optimum chilling requirements for vegetative vigour and fruit production are different, and that chilling becomes more important when the temperature during forcing is low.
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Claims 13
Claim · model-written summary
Greater chilling durations increased petiole length, leaf weight and runner production of strawberry plants.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassae0 - Material
- Elsantae0
- Treatment
- greater durations of chillinge1
- Outcome
- petiole length, leaf weight and runner productione1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“strawberry plants cv. Elsanta”
e1“With greater durations of chilling, the petiole length, leaf weight and runner production of plants were increased”
Claim · model-written summary
The chilling requirement for optimum vegetative growth of strawberry was saturated after 6–8 weeks.
- Taxon
- strawberryFragaria ×ananassae0
- Outcome
- chilling requirement for optimum vegetative growthe1
- Direction
- saturatede1
- Value
- 6–8 weekse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“The chilling requirement for optimum vegetative growth was saturated after 6–8 weeks”
Claim · model-written summary
Up to six weeks of chilling, the two cold storage temperatures gave no difference in vegetative growth of strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- chilling durations up to six weekse1
- Outcome
- vegetative growthe2
- Direction
- no differencee1
- Comparator
- the two cold storage temperaturese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“For chilling durations up to six weeks there was no difference between the two cold storage temperatures”
e2“with larger durations subsequent vegetative growth of the plants stored at –2°C was reduced compared with plants stored at +3°C”
Claim · model-written summary
With larger chilling durations, strawberry plants stored at –2°C had reduced vegetative growth compared with plants stored at +3°C.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- stored at –2°Ce1
- Outcome
- subsequent vegetative growthe1
- Direction
- reducede1
- Qualifier
- with larger durationse1
- Comparator
- plants stored at +3°Ce1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“with larger durations subsequent vegetative growth of the plants stored at –2°C was reduced compared with plants stored at +3°C”
Claim · model-written summary
Strawberry plants lifted on 6 December had greater vegetative growth after cold storage than those lifted on 6 November.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- plants lifted on 6 Decembere1
- Outcome
- vegetative growth after cold storagee1
- Direction
- greatere1
- Comparator
- plants lifted on 6 Novembere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“The vegetative growth after cold storage of plants lifted on 6 December was greater than that of plants lifted on 6 November”
Claim · model-written summary
Cold storage temperature did not affect flower number, fruit number or fruit weight of strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- Cold storage temperaturee1
- Outcome
- number of flowers produced per plant, fruit number or fruit weighte1
- Direction
- did not affecte1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“Cold storage temperature did not affect the number of flowers produced per plant, fruit number or fruit weight”
Claim · model-written summary
Fruit number and fruit weight of strawberry were greater in plants lifted on 6 November than in those lifted on 6 December.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- plants lifted on 6 Novembere1
- Outcome
- fruit number and fruit weighte1
- Direction
- greatere1
- Comparator
- those lifted on 6 Decembere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“fruit number and fruit weight were both greater in plants lifted on 6 November than in those lifted on 6 December”
Claim · model-written summary
There was no significant interaction between chilling duration and forcing temperature in strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- chilling duratione1
- Outcome
- interaction between chilling duration and temperaturee1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“There was no significant interaction between chilling duration and temperature during forcing”
Claim · model-written summary
Eight weeks of chilling was optimum for vegetative growth of strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- eight weeks chillinge1
- Outcome
- vegetative growthe1
- Direction
- optimume1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“while eight weeks chilling was optimum for vegetative growth”
Claim · model-written summary
Four weeks of chilling was optimum for fruit production of strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- four weeks chillinge1
- Outcome
- fruit productione1
- Direction
- optimume1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“in terms of fruit production four weeks chilling was optimum”
Claim · model-written summary
There may be an important interaction between fruit set and vegetative vigour in strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Material
- Elsantae0
- Outcome
- interaction between fruit set and vegetative vigoure1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“there may be an important interaction between fruit set and vegetative vigour”
Claim · model-written summary
Field chilling was more effective than cold store chilling in promoting vegetative growth of strawberry.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- field chillinge1
- Outcome
- vegetative growthe1
- Direction
- more effectivee1
- Comparator
- cold store chillinge1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“field chilling is more effective than cold store chilling in promoting vegetative growth”
Claim · model-written summary
Chilling becomes more important for strawberry when the temperature during forcing is low.
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- the temperature during forcing is lowe1
- Outcome
- chilling becomes more importante1
- Direction
- more importante1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry plants cv. Elsanta”
e1“chilling becomes more important when the temperature during forcing is low”
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See all 25 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.