Abstract
Abstract. The relative growth rates and leaf area were graphed against leaf area, normalized with respect to final leaf area, to assess the applicability of the Lockhart cell wall expansion equation to soybean, Glycine max (L.) Merr., leaf development under field conditions. For leaves that had completed more than 20% of their growth, relative growth rates decreased linearly with an increase in the normalized leaf area, indicating that these leaves were undergoing strictly expansive growth. Drought stress significantly decreased the relative growth rate of these larger leaves. Small leaves which had completed less than 20% of their growth, were found to have highly variable relative growth rates. The large variability in relative growth rates indicated that the Lockhart cell wall expansion equation was inadequate to evaluate the growth of these young leaves. Drought stress had virtually no influence on the relative growth rates observed in the small leaves.
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Claims 6
Claim · model-written summary
Relative growth rates declined linearly as normalized leaf area increased after leaves completed more than 20% of growth.
- Taxon
- soybean
Glycine maxt0 - Organ / stage
- leavese0
- Outcome
- relative growth ratese0
- Direction
- decreased linearlye0
- Qualifier
- more than 20% of their growthe0
- Comparator
- normalized leaf areae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“For leaves that had completed more than 20% of their growth, relative growth rates decreased linearly with an increase in the normalized leaf area”
t0“soybean”
Claim · model-written summary
Those larger leaves underwent strictly expansive growth.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- leavese0
- Outcome
- strictly expansive growthe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“these leaves were undergoing strictly expansive growth”
t0“soybean”
Claim · model-written summary
Drought stress significantly reduced relative growth rate in larger leaves.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- larger leavese0
- Treatment
- Drought stresse0
- Outcome
- relative growth ratee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress significantly decreased the relative growth rate of these larger leaves”
t0“soybean”
Claim · model-written summary
Leaves below 20% of completed growth showed highly variable relative growth rates.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- Small leavese0
- Outcome
- relative growth ratese0
- Qualifier
- less than 20% of their growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Small leaves which had completed less than 20% of their growth, were found to have highly variable relative growth rates”
t0“soybean”
Claim · model-written summary
The Lockhart expansion equation was inadequate for evaluating young-leaf growth.
- Taxon
- soybeanGlycine maxt0
- Outcome
- growth of these young leavese0
- Qualifier
- inadequatee0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lockhart cell wall expansion equation was inadequate to evaluate the growth of these young leaves”
t0“soybean”
Claim · model-written summary
Drought stress had virtually no influence on relative growth rate in small leaves.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- small leavese0
- Treatment
- Drought stresse0
- Outcome
- relative growth ratese0
- Direction
- virtually no influencee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Drought stress had virtually no influence on the relative growth rates observed in the small leaves”
t0“soybean”
The same questions in other papers
drought · growth · Glycine max (soybean)Positive and negative results
169 papers in the same direction as this paper · 41 in the opposite direction
- negative
- positive
- positive
207 papers more in this group
See all 211 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.