Abstract
Abstract ‘Navaho’ erect thornless blackberry plants were subjected to a combination of three primocane summer topping heights and two lateral length pruning treatments. Plants were topped at 91, 122, 152 cm tall, and laterals were shortened to either 30 or 61 cm in length. Treatment effects on yield and plant structure were examined for four growing seasons. Lateral length had little effect on yield and any pruning height. Yield generally increased with increasing plant height. The 122-cm height appeared to optimize yield while still allowing for manageable floricane architecture.
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Claims 4
Claim · model-written summary
Yield of blackberry generally increased with increasing plant height at topping.
- Treatment
- primocane summer topping heightse1
- Outcome
- Yielde2
- Direction
- increasede2
- Qualifier
- increasing plant heighte2
RubusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“erect thornless blackberry plants were subjected to a combination of three primocane summer topping heights and two lateral length pruning treatments”
e2“Yield generally increased with increasing plant height”
Claim · model-written summary
Lateral length pruning had little effect on blackberry yield.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“erect thornless blackberry plants were subjected to a combination of three primocane summer topping heights and two lateral length pruning treatments”
e3“Lateral length had little effect on yield and any pruning height”
Claim · model-written summary
The 122-cm topping height appeared to optimize blackberry yield.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“erect thornless blackberry plants were subjected to a combination of three primocane summer topping heights and two lateral length pruning treatments”
e4“The 122-cm height appeared to optimize yield while still allowing for manageable floricane architecture”
Claim · model-written summary
The 122-cm topping height allowed manageable floricane architecture of blackberry.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“erect thornless blackberry plants were subjected to a combination of three primocane summer topping heights and two lateral length pruning treatments”
e4“The 122-cm height appeared to optimize yield while still allowing for manageable floricane architecture”
The same questions in other papers
pruning · yield · Rubus (bramble)Positive and negative results
4 papers in the same direction as this paper · 2 in the opposite direction
- no effect
- no effect
- positive
3 papers more in this group
See all 7 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.