Abstract
Abstract The leaf and shoot growth of Acacia karroo plants defoliated by goats was compared to that of plants in which leaf only or leaf plus shoot‐tips were removed by hand, to simulate goat browsing. There were no differences in leaf or shoot production between plants whose leaf only was removed compared to those that had both leaf and shoot‐tips removed. Leaf growth on the plants defoliated by goats at moderate levels was approximately three‐fold that on plants defoliated moderately by hand. The plants defoliated by hand produced approximately twice the amount of leaf that the undefoliated plants produced. Heavy defoliation by both hand and goat, produced approximately half the leaf growth that moderately defoliated plants produced, following equivalent defoliation. Shoot production of all plants defoliated by hand was no different to that of the undefoliated control plants and was considerably less than that of the plants defoliated by goats. Uittreksel Die blaar‐ en lootgroei van Acacia karroo plante, wat deur bokke ontblaar was, is vergelyk met die groei van plante waar die blare alleenlik of die blaar‐ en lootpunte met die hand verwyder is, om ontblaring deur bokke te simuleer. Daar was geen verskil in blaar‐ of lootproduksie tussen plante waarvan slegs die blare verwyder is, in vergelyking met die waarvan beide die blaar‐ en lootpunte verwyder is nie. Blaargroei van die plante wat matig deur bokke ontblaar is, was ongeveer drie keer dié van plante wat matig met die hand ontblaar is. Plante wat met die hand ontblaar is, het nagenoeg twee keer meer blare geproduseer as plante wat nie ontblaar is nie. Swaar ontblaring, met die hand en deur bokke, het ongeveer die helfte van die blaargroei tot gevolg gehad as wat matig ontblaarde plante geproduseer het, indien gelyke ontblaring nagevolg is. Daar was geen verskil tussen die lootproduksie van plante wat met die hand ontblaar is en dié van die kontrolegroep, wat nie ontblaar is nie. Lootproduksie van handontblaarde plante was egter aansienlik minder as die vanplante wat deur bokke ontblaar is. Additional index words: Clippingbrowse productiongrowth stimulation
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Claims 6
Claim · model-written summary
Removing leaves alone or leaves plus shoot tips produced similar leaf and shoot growth.
- Taxon
- Acacia karroo
Vachellia karroot0 - Treatment
- leaf only was removede0
- Outcome
- leaf or shoot productione0
- Direction
- no differencese0
- Comparator
- both leaf and shoot‐tips removede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“There were no differences in leaf or shoot production between plants whose leaf only was removed compared to those that had both leaf and shoot‐tips removed.”
Claim · model-written summary
Moderate goat defoliation yielded approximately threefold the leaf growth of moderate hand defoliation.
- Taxon
- Acacia karrooVachellia karroot0
- Treatment
- defoliated by goats at moderate levelse0
- Interactor
- goats
Capra hircuse0herbivore - Outcome
- Leaf growthe0
- Direction
- three‐folde0
- Value
- approximately three‐folde0
- Comparator
- defoliated moderately by hande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“Leaf growth on the plants defoliated by goats at moderate levels was approximately three‐fold that on plants defoliated moderately by hand.”
Claim · model-written summary
Hand defoliation produced approximately twice the leaf amount of no defoliation.
- Taxon
- Acacia karrooVachellia karroot0
- Treatment
- defoliated by hande0
- Outcome
- amount of leafe0
- Direction
- twicee0
- Value
- approximately twicee0
- Comparator
- undefoliated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“The plants defoliated by hand produced approximately twice the amount of leaf that the undefoliated plants produced.”
Claim · model-written summary
Heavy hand and goat defoliation yielded approximately half the leaf growth of moderate defoliation.
- Taxon
- Acacia karrooVachellia karroot0
- Treatment
- Heavy defoliation by both hand and goate0
- Interactor
- goatCapra hircuse0herbivore
- Outcome
- leaf growthe0
- Direction
- halfe0
- Value
- approximately halfe0
- Comparator
- moderately defoliated plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“Heavy defoliation by both hand and goat, produced approximately half the leaf growth that moderately defoliated plants produced, following equivalent defoliation.”
Claim · model-written summary
Hand defoliation did not change shoot production relative to undefoliated plants.
- Taxon
- Acacia karrooVachellia karroot0
- Treatment
- defoliated by hande0
- Outcome
- Shoot productione0
- Direction
- no differente0
- Comparator
- undefoliated control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“Shoot production of all plants defoliated by hand was no different to that of the undefoliated control plants and was considerably less than that of the plants defoliated by goats.”
Claim · model-written summary
Hand defoliation produced considerably fewer shoots than goat defoliation.
- Taxon
- Acacia karrooVachellia karroot0
- Treatment
- defoliated by hande0
- Interactor
- goatsCapra hircuse0herbivore
- Outcome
- Shoot productione0
- Direction
- considerably lesse0
- Comparator
- defoliated by goatse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Acacia karroo”
e0“Shoot production of all plants defoliated by hand was no different to that of the undefoliated control plants and was considerably less than that of the plants defoliated by goats.”
The same questions in other papers
pruning · Capra hircus · Vachellia karrooResults agree
2 papers in the same direction as this paper
- positive
- positive
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.