Claim · model-written summary
Total nonstructural carbohydrate concentrations of cowpea leaves, petioles, stems, roots and nodules did not differ appreciably between drought-stressed and control plants.
- Taxon
- cowpea
Vigna unguiculatat0 - Organ / stage
- leaves, petioles, stems, roots and nodulese6
- Treatment
- droughte6
- Outcome
- TNC concentrationse6
- Direction
- did not differe6
- Qualifier
- appreciablye6
- Comparator
- control plantse6
Not reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN COWPEA DURING AND AFTER DROUGHT STRESS”
e6“TNC concentrations of leaves, petioles, stems, roots and nodules did not differ appreciably between drought stressed and control plants”
Title
S. PARARAJASINGHAM; D. P. KNIEVEL Canadian Journal of Plant Science 1990. doi:10.4141/cjps90-123
Other claims from this paper (12)
- Intervention effect Withholding water reduced cowpea stomatal conductance by 60% within 4 days.
- Intervention effect Withholding water reduced cowpea leaf net photosynthesis by 62% within 4 days.
- Intervention effect Withholding water reduced cowpea nodule nitrogenase activity by 90% within 4 days.
- Intervention effect After 8 days of drought, cowpea leaf net photosynthesis and nodule nitrogenase activity were near zero.
- Intervention effect Stomatal conductance and leaf net photosynthesis of cowpea returned to the level of unstressed plants within 24 h after rewatering.
- Intervention effect Recovery of cowpea nodule nitrogenase activity after rewatering was delayed.
- Intervention effect Shading decreased cowpea nodule nitrogenase activity by 62% under well-watered conditions.
- Intervention effect Defoliation decreased cowpea nodule nitrogenase activity by 44% under well-watered conditions.
- Intervention effect Shaded or defoliated cowpea plants had significantly lower total nonstructural carbohydrate concentrations in shoot plant parts than controls.
- Intervention effect Shading decreased total nonstructural carbohydrate concentrations in cowpea nodules.
- Association The decline in cowpea nodule nitrogenase activity during drought was not directly associated with carbohydrate supply to the nodules.
- Mechanism The decline in cowpea nitrogenase activity under drought is attributed to a new equilibrium with overall limited plant growth.