Abstract
Each year, 500,000,000 bare-root plants (crowns) are used to establish strawberry plantings in California. Careful placement of plants in the planting holes is a critical determinant of plant growth and productivity, but large-rooted crowns are difficult to plant correctly. Use of uniform plant material would facilitate proper planting. I conducted a study in 1997–98 to determine the influence of three root pruning treatments on performance of `Camarosa' bare-root strawberry plants. Crowns were machine-dug from a nursery on 27 Oct. 1997. Two-hundred-forty plants were selected for uniformity of size, and root systems of all selected plants were >12.7 cm in length. Root systems of individual plants were randomly subjected to three pruning treatments: nonpruned (NP), pruned to 8.9 cm in length (P1), or pruned to 4.45 cm in length (P2). Twenty plants were randomly selected from each pruning treatment, washed, divided into excised and intact root tissues, and dried at 70 °C for 6 days. Pruning resulted in the removal of 23% and 78% of root dry mass for plants in the P1 and P2 treatments, respectively. For each treatment, the 60 remaining plants were established in raised beds at the Univ. of California South Coast R.E.C. in Irvine on 1 Nov. 1997. Experimental design was a RCB, with one 20-plant plot per treatment in each of three replicate blocks. There was no plant mortality and no difference among treatments in plant canopy diameter in March (mean diam. = 36.7 cm). Fruit yields were determined for each plot at weekly intervals from 1 Feb. to 18 Apr. 1998. There was no effect of pruning on yield or fruit size, suggesting that strawberry root systems have considerable regenerative ability.
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Claims 7
Claim · model-written summary
Pruning resulted in the removal of 23% and 78% of root dry mass for plants in the P1 and P2 treatments, respectively.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Pruning resulted in the removal of 23% and 78% of root dry mass for plants in the P1 and P2 treatments, respectively.”
t0“Strawberry”
Claim · model-written summary
Pruning resulted in the removal of 23% and 78% of root dry mass for plants in the P1 and P2 treatments, respectively.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pruning resulted in the removal of 23% and 78% of root dry mass for plants in the P1 and P2 treatments, respectively.”
t0“Strawberry”
Claim · model-written summary
There was no plant mortality
- Taxon
- Strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Outcome
- plant mortalitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no plant mortality”
t0“Strawberry”
Claim · model-written summary
no difference among treatments in plant canopy diameter in March (mean diam. = 36.7 cm)
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- treatmentse0
- Outcome
- plant canopy diametere0
- Direction
- no differencee0
- Value
- 36.7 cme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no difference among treatments in plant canopy diameter in March (mean diam. = 36.7 cm)”
t0“Strawberry”
Claim · model-written summary
There was no effect of pruning on yield
- Taxon
- StrawberryFragaria ×ananassat0
- Treatment
- pruninge0
- Outcome
- yielde0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect of pruning on yield”
t0“Strawberry”
Claim · model-written summary
There was no effect of pruning on yield or fruit size, suggesting that strawberry root systems have considerable regenerative ability
- Taxon
- strawberryFragaria ×ananassae0
- Treatment
- pruninge0
- Outcome
- fruit sizee0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no effect of pruning on yield or fruit size, suggesting that strawberry root systems have considerable regenerative ability”
Claim · model-written summary
strawberry root systems have considerable regenerative ability
- Taxon
- strawberryFragaria ×ananassae0
- Outcome
- considerable regenerative abilitye0
- Qualifier
- root systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“strawberry root systems have considerable regenerative ability”
The same questions in other papers
pruning · yield · Fragaria x ananassa (strawberry)Results differ
12 papers in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
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See all 18 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.