Abstract
A study was conducted in the field to test whether stomatal sensitivity to water stress can be used as a selection criterion for drought tolerance in two pearl millet genotypes. In both cultivars, stomatal aperture was significantly reduced by the water stress. However, the proportion of reduction per 20 mm decrease in applied water was much higher for the hybrid than for the female parent. This is clearly an indication of a higher stomatal sensitivity in the hybrid, which probably explains the superior performance under water stress that was previously observed in this genotype.
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Claims 3
Claim · model-written summary
Water stress significantly reduced stomatal aperture in both cultivars.
- Taxon
- pearl millet
Cenchrus americanust0 - Material
- both cultivarse0
- Treatment
- water stresse0
- Outcome
- stomatal aperturee0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“pearl millet”
e0“In both cultivars, stomatal aperture was significantly reduced by the water stress”
Claim · model-written summary
Stomatal aperture reduction per 20 mm less applied water was much higher in the hybrid than the female parent.
- Taxon
- pearl milletCenchrus americanust0
- Material
- hybride0
- Outcome
- proportion of reductione0
- Direction
- much highere0
- Value
- 20 mme0
- Comparator
- female parente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“pearl millet”
e0“the proportion of reduction per 20 mm decrease in applied water was much higher for the hybrid than for the female parent”
Claim · model-written summary
The hybrid showed higher stomatal sensitivity than the female parent.
- Taxon
- pearl milletCenchrus americanust0
- Material
- hybride0
- Outcome
- stomatal sensitivitye0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“pearl millet”
e0“a higher stomatal sensitivity in the hybrid”
The same questions in other papers
drought · physiology: gas exchange · Cenchrus americanus (pearl millet)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.