Abstract
Nine‐day‐old corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days using an osmotic‐solution semipenneable‐membrane technique. Leaf elongation, total dry matter accumulation, transpiration, soluble carbohydrate concentrations, and leaf water potentials were measured daily. When the soil water potential was decreased from −035 to −2.50 bars, leaf elongation rates decreased 44% and soluble carbohydrate concentrations increased 42%, while rates of total dry matter accumulation and transpiration decreased 26 and 24%, respectively. The increase in the soluble carbohydrate concentration was inversely related to both the rates of leaf elongation and total dry matter accumulation. The plant maintains a positive carbon balance in the leaves partly in the form of an abundant supply of soluble carbohydrates during periods of mild water stress. The sensitivity of leaf elongation rate to mild water stress appears to be an important growth determining factor.
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Claims 7
Claim · model-written summary
Decreasing soil water potential from −035 to −2.50 bars decreased leaf elongation rate by 44%.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- soil water potential was decreased from −035 to −2.50 barse1
- Outcome
- leaf elongation ratese1
- Direction
- decreasede1
- Value
- 44%e1
- Comparator
- −035e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e1“When the soil water potential was decreased from −035 to −2.50 bars, leaf elongation rates decreased 44% and soluble carbohydrate concentrations increased 42%, while rates of total dry matter accumulation and transpiration decreased 26 and 24%, respectively”
Claim · model-written summary
Decreasing soil water potential increased soluble carbohydrate concentration by 42% in corn seedlings.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- soil water potential was decreased from −035 to −2.50 barse1
- Outcome
- soluble carbohydrate concentrationse1
- Direction
- increasede1
- Value
- 42%e1
- Comparator
- −035e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e1“When the soil water potential was decreased from −035 to −2.50 bars, leaf elongation rates decreased 44% and soluble carbohydrate concentrations increased 42%, while rates of total dry matter accumulation and transpiration decreased 26 and 24%, respectively”
Claim · model-written summary
Decreasing soil water potential decreased total dry matter accumulation by 26% in corn seedlings.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- soil water potential was decreased from −035 to −2.50 barse1
- Outcome
- total dry matter accumulatione1
- Direction
- decreasede1
- Value
- 26e1
- Comparator
- −035e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e1“When the soil water potential was decreased from −035 to −2.50 bars, leaf elongation rates decreased 44% and soluble carbohydrate concentrations increased 42%, while rates of total dry matter accumulation and transpiration decreased 26 and 24%, respectively”
Claim · model-written summary
Decreasing soil water potential decreased transpiration by 24% in corn seedlings.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- soil water potential was decreased from −035 to −2.50 barse1
- Outcome
- transpiratione1
- Direction
- decreasede1
- Value
- 24%e1
- Comparator
- −035e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e1“When the soil water potential was decreased from −035 to −2.50 bars, leaf elongation rates decreased 44% and soluble carbohydrate concentrations increased 42%, while rates of total dry matter accumulation and transpiration decreased 26 and 24%, respectively”
Claim · model-written summary
Soluble carbohydrate concentration was inversely related to leaf elongation rate and total dry matter accumulation in corn seedlings.
- Taxon
- cornZea mays subsp. mayse0
- Compound
- soluble carbohydratee2
- Outcome
- the rates of leaf elongation and total dry matter accumulatione2
- Direction
- decreaseinferrede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e2“The increase in the soluble carbohydrate concentration was inversely related to both the rates of leaf elongation and total dry matter accumulation”
Claim · model-written summary
Corn seedlings maintain a positive carbon balance in the leaves partly as soluble carbohydrates during mild water stress.
- Taxon
- cornZea mays subsp. mayse0
- Compound
- soluble carbohydratese3
- Outcome
- positive carbon balance in the leavese3
- Qualifier
- during periods of mild water stresse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e3“The plant maintains a positive carbon balance in the leaves partly in the form of an abundant supply of soluble carbohydrates during periods of mild water stress”
Claim · model-written summary
Sensitivity of leaf elongation rate to mild water stress is an important growth-determining factor in corn.
- Taxon
- cornZea mays subsp. mayse0
- Outcome
- sensitivity of leaf elongation rate to mild water stresse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“corn ( Zea mays L.) plants were grown at soil water potentials of −035 and −2.50 bars for 6 days”
e4“The sensitivity of leaf elongation rate to mild water stress appears to be an important growth determining factor”
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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.