Abstract
Drought substantially limits seed yield of common bean (Phaseolus vulgaris L.) in the tropics. Understanding the interaction of drought on yield and the nutrient concentration of the seed is vital in order to supply nutrition to the millions of consumers who rely on common bean as a staple crop. Nevertheless, the impact of drought on common bean for both yield and nutrient concentration has not yet been concurrently investigated in a field environment. Using 10 bred lines developed by CIAT and its partners for their improved adaptation to drought and phosphorus deficiency, this study characterised the impact of drought on yield and nutrient concentration for leaf and seed tissue of common bean grown in the field. Drought significantly reduced leaf area (by ~50%), harvest index (by ~60%), yield (by ~70%), seed weight (by ~25%) and enriched carbon isotope abundance (δ13C) in the seed. Within the soluble leaf fraction, drought significantly decreased the concentration of mineral nutrients and amino acids, whereas no negative effect on the concentration of nutrients and amino acids was detected within the seed. Genotypic variation in nutrient concentration in both the leaf and seed tissue was identified and should be explored further to identify traits that may confer tolerance to abiotic stress.
Abstract from the paper’s OpenAlex record; open copy licensed cc-by. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 8
Claim · model-written summary
Drought reduced common bean leaf area by about 50%.
- Taxon
- common bean
Phaseolus vulgarist0 - Treatment
- Droughte0
- Outcome
- leaf areae0
- Direction
- reducede0
- Value
- ~50%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought significantly reduced leaf area (by ~50%)”
t0“common bean”
Claim · model-written summary
Drought reduced harvest index by about 60%.
- Taxon
- common beanPhaseolus vulgarist0
- Outcome
- harvest indexe0
- Direction
- decreaseinferrede0
- Value
- ~60%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“harvest index (by ~60%)”
t0“common bean”
Claim · model-written summary
Drought reduced yield by about 70%.
- Taxon
- common beanPhaseolus vulgarist0
- Outcome
- yielde0
- Direction
- decreaseinferrede0
- Value
- ~70%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“yield (by ~70%)”
t0“common bean”
Claim · model-written summary
Drought reduced seed weight by about 25%.
- Taxon
- common beanPhaseolus vulgarist0
- Outcome
- seed weighte0
- Direction
- decreaseinferrede0
- Value
- ~25%e0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seed weight (by ~25%)”
t0“common bean”
Claim · model-written summary
Drought reduced seed carbon isotope abundance.
- Taxon
- common beanPhaseolus vulgarist0
- Outcome
- carbon isotope abundance (δ13C) in the seede0
- Direction
- decreaseinferrede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“and enriched carbon isotope abundance (δ13C) in the seed”
t0“common bean”
Claim · model-written summary
Drought reduced soluble leaf mineral nutrient and amino acid concentrations.
- Taxon
- common beanPhaseolus vulgarist0
- Organ / stage
- leafe0
- Treatment
- droughte0
- Outcome
- concentration of mineral nutrients and amino acidse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Within the soluble leaf fraction, drought significantly decreased the concentration of mineral nutrients and amino acids”
t0“common bean”
Claim · model-written summary
Drought had no detected negative effect on seed nutrient and amino acid concentrations.
- Taxon
- common beanPhaseolus vulgarist0
- Organ / stage
- seede0
- Outcome
- concentration of nutrients and amino acidse0
- Direction
- no negative effecte0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no negative effect on the concentration of nutrients and amino acids was detected within the seed”
t0“common bean”
Claim · model-written summary
Nutrient concentrations varied among genotypes in leaf and seed tissue.
- Taxon
- common beanPhaseolus vulgarist0
- Material
- Genotypice0
- Organ / stage
- leaf and seed tissuee0
- Outcome
- nutrient concentratione0
- Direction
- variatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Genotypic variation in nutrient concentration in both the leaf and seed tissue was identified”
t0“common bean”
The same questions in other papers
drought · growth · Phaseolus vulgaris (common bean)Results differ
58 papers in the same direction as this paper · 6 in the opposite direction
- negative
- positive
- positive
61 papers more in this group
See all 65 papers →drought · nutrient: content · Phaseolus vulgaris (common bean)Positive and negative results
15 papers in the same direction as this paper · 3 in the opposite direction
- positive
- no effect
- positive
15 papers more in this group
See all 19 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.