Abstract
This study examined the effect of different pruning and fertilization methods on the growth and development of highbush blueberry ‘Jersey’. A higher degree of thinning resulted in the formation of more suckers on the crown of the plants compared to other thinning methods. Combinational use of recommended fertilization and heavy thinning (HT) induced the highest average number of sucker formation. The average lengths of the shoots were 21.4-25.2, 17.4-20.1, and 12.0-15.3 cm for HT-, LT- (light thinning), and HP- (heading-back pruning) treated plants, respectively. HT also induced the highest number of mother shoots that were longer than 20 cm (36.6-41.1%), while LT (27.5-33.8%) and HP (15.8-23.8%) treatments produced fewer mother shoots. Analysis of fruit characteristics revealed that a higher degree of thinning increased fruit weight in 2013 as well as total soluble solid content in 2014. The pruning method had a greater impact on fruit yield than fertilization, as increased thinning led to a higher growth rate (HT 467.4-1036.2%, LT 234.9-314.3%, and HP 171.7-203.9%).
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Claims 14
Claim · model-written summary
Greater thinning formed more crown suckers.
- Taxon
- Highbush Blueberry
Vaccinium corymbosumt0 - Material
- Jerseyt0
- Treatment
- A higher degree of thinninge0
- Outcome
- suckers on the crowne0
- Direction
- moree0
- Comparator
- other thinning methodse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A higher degree of thinning resulted in the formation of more suckers on the crown of the plants compared to other thinning methods”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
Recommended fertilization with heavy thinning produced the most suckers.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- recommended fertilization and heavy thinning (HT)e0
- Outcome
- average number of sucker formatione0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Combinational use of recommended fertilization and heavy thinning (HT) induced the highest average number of sucker formation”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HT- shoots averaged 21.4-25.2 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HT-e0
- Outcome
- average lengths of the shootse0
- Value
- 21.4-25.2e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average lengths of the shoots were 21.4-25.2, 17.4-20.1, and 12.0-15.3 cm for HT-, LT- (light thinning), and HP- (heading-back pruning) treated plants, respectively”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
LT- shoots averaged 17.4-20.1 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- LT-e0
- Outcome
- average lengths of the shootse0
- Value
- 17.4-20.1e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average lengths of the shoots were 21.4-25.2, 17.4-20.1, and 12.0-15.3 cm for HT-, LT- (light thinning), and HP- (heading-back pruning) treated plants, respectively”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HP- shoots averaged 12.0-15.3 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HP-e0
- Outcome
- average lengths of the shootse0
- Value
- 12.0-15.3e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The average lengths of the shoots were 21.4-25.2, 17.4-20.1, and 12.0-15.3 cm for HT-, LT- (light thinning), and HP- (heading-back pruning) treated plants, respectively”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HT formed 36.6-41.1% mother shoots longer than 20 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HTe0
- Outcome
- mother shootse0
- Direction
- higheste0
- Value
- 36.6-41.1%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT also induced the highest number of mother shoots that were longer than 20 cm (36.6-41.1%), while LT (27.5-33.8%) and HP (15.8-23.8%) treatments produced fewer mother shoots”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
LT formed 27.5-33.8% mother shoots longer than 20 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- LTe0
- Outcome
- mother shootse0
- Direction
- fewere0
- Value
- 27.5-33.8%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT also induced the highest number of mother shoots that were longer than 20 cm (36.6-41.1%), while LT (27.5-33.8%) and HP (15.8-23.8%) treatments produced fewer mother shoots”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HP formed 15.8-23.8% mother shoots longer than 20 cm.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HPe0
- Outcome
- mother shootse0
- Direction
- fewere0
- Value
- 15.8-23.8%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HT also induced the highest number of mother shoots that were longer than 20 cm (36.6-41.1%), while LT (27.5-33.8%) and HP (15.8-23.8%) treatments produced fewer mother shoots”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
Higher thinning increased fruit weight in 2013.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- a higher degree of thinninge0
- Outcome
- fruit weighte0
- Direction
- increasede0
- Qualifier
- 2013e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher degree of thinning increased fruit weight in 2013 as well as total soluble solid content in 2014”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
Higher thinning increased fruit soluble solids in 2014.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- a higher degree of thinninge0
- Outcome
- total soluble solid contente0
- Direction
- increasede0
- Qualifier
- 2014e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a higher degree of thinning increased fruit weight in 2013 as well as total soluble solid content in 2014”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
Pruning affected fruit yield more than fertilization.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Outcome
- fruit yielde0
- Direction
- greater impacte0
- Comparator
- fertilizatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The pruning method had a greater impact on fruit yield than fertilization”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HT had growth rate 467.4-1036.2%.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HTe0
- Outcome
- growth ratee0
- Direction
- highere0
- Value
- 467.4-1036.2%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased thinning led to a higher growth rate (HT 467.4-1036.2%, LT 234.9-314.3%, and HP 171.7-203.9%)”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
LT had growth rate 234.9-314.3%.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- LTe0
- Outcome
- growth ratee0
- Direction
- highere0
- Value
- 234.9-314.3%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased thinning led to a higher growth rate (HT 467.4-1036.2%, LT 234.9-314.3%, and HP 171.7-203.9%)”
t0“Highbush Blueberry ‘Jersey’”
Claim · model-written summary
HP had growth rate 171.7-203.9%.
- Taxon
- Highbush BlueberryVaccinium corymbosumt0
- Treatment
- HPe0
- Outcome
- growth ratee0
- Direction
- highere0
- Value
- 171.7-203.9%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“increased thinning led to a higher growth rate (HT 467.4-1036.2%, LT 234.9-314.3%, and HP 171.7-203.9%)”
t0“Highbush Blueberry ‘Jersey’”
The same questions in other papers
pruning · yield · Vaccinium corymbosum (highbush blueberry)Positive and negative results
4 papers in the same direction as this paper · 6 in the opposite direction
- negative
- negative
- negative
7 papers more in this group
See all 11 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.