Abstract
An experiment was conducted under greenhouse conditions in order to examine the effect of inflorescence pruning on drought responses of the cultivar AC102 (#Pachyrhizus ahipa# (Wedd.) Parodi). Four treatments involving plant with or without reproductive pruning and with and without water stress and the combination of the two factors were included in the experiment. Drought caused a decrease in stomatal conductance, photosynthesis and transpiration rates in both intact and pruned plants. However, whilst leaf-relative-water content (LRWC) was maintained in the pruned plants (P+D), a significant decrease was observed in the intact plants (I+D). The maintenance of LRWC in pruned plants may be due to mobilisation of water within the tuber and/or better redistribution of water from roots to leaves in the absence of pods. Inflorescence pruning improves the adaptation of this crop to drought conditions.
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Claims 5
Claim · model-written summary
Drought decreased stomatal conductance, photosynthesis and transpiration rates in both intact and pruned yam bean plants.
- Taxon
- yam beant0
- Treatment
- Droughte0
- Outcome
- stomatal conductance, photosynthesis and transpiration ratese0
- Direction
- decreasee0
- Comparator
- intact and pruned plantse0
Not reportedMaterial
Verbatim
t0“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
e0“Drought caused a decrease in stomatal conductance, photosynthesis and transpiration rates in both intact and pruned plants.”
Claim · model-written summary
Under drought, pruned yam bean plants maintained leaf-relative-water content.
- Taxon
- yam beant0
- Treatment
- pruned plants (P+D)e0
- Outcome
- leaf-relative-water content (LRWC)e0
- Direction
- maintainede0
Not reportedComparator
Verbatim
t0“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
e0“leaf-relative-water content (LRWC) was maintained in the pruned plants (P+D)”
Claim · model-written summary
Under drought, intact yam bean plants had a significant decrease in leaf-relative-water content.
- Taxon
- yam beant0
- Treatment
- intact plants (I+D)e0
- Outcome
- leaf-relative-water content (LRWC)e1
- Direction
- decreasee0
Not reportedComparator
Verbatim
t0“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
e0“a significant decrease was observed in the intact plants (I+D)”
e1“leaf-relative-water content (LRWC) was maintained in the pruned plants (P+D), a significant decrease was observed in the intact plants (I+D)”
Claim · model-written summary
Maintenance of leaf-relative-water content in pruned plants may result from mobilization of water within the tuber or redistribution from roots to leaves in the absence of pods.
Verbatim
t0“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
e0“The maintenance of LRWC in pruned plants may be due to mobilisation of water within the tuber and/or better redistribution of water from roots to leaves in the absence of pods.”
Claim · model-written summary
The authors conclude that inflorescence pruning improves yam bean adaptation to drought.
Verbatim
t0“yam bean (Pachyrhizus ahipa (Wedd.) Parodi)”
e0“Inflorescence pruning improves the adaptation of this crop to drought conditions.”