Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Biology · 1efd24fe Climate · 1efd24fe

Assessment

Why?

Strongest counted support: The experiment reports increasingly restrictive genetic covariances that constrained flowering-phenology adaptation despite selection for rapid trait evolution. weight 1.800000 evidence

Suppressed as dependent: The excerpt directly reports increasingly constraining genetic covariances and limited flowering-phenology adaptation despite selection.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

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Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “A resurrection experiment in common morning glory found that changing genetic covariance structures increasingly constrained evolutionary trajectories,...” · 1 claim · 29 September 2026
• “A resurrection experiment in common morning glory found that changing genetic covariance structures increasingly constrained evolutionary trajectories,...” · 1 claim · 29 September 2026
• “A resurrection experiment in common morning glory found that changing genetic covariance structures increasingly constrained evolutionary trajectories,...” · 1 claim · 29 September 2026

Evidence for

• The experiment reports increasingly restrictive genetic covariances that constrained flowering-phenology adaptation despite selection for rapid trait evolution.

  From A resurrection experiment reveals reduced adaptive potential in a common agricultural weed Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• The excerpt directly reports increasingly constraining genetic covariances and limited flowering-phenology adaptation despite selection.

  From A resurrection experiment reveals reduced adaptive potential in a common agricultural weed Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• Independent University of Michigan reporting says morning-glory adaptation fell 96% as flower size and flowering time became increasingly linked, restricting adaptation.

  From Plants may be evolving the wrong traits for a warming world Read 2026-09-29 Relevance STRONG Steps 0 Counted

  This independent report corroborates the direction and supplies the nine-year, 96% quantitative context; it remains a report of the same underlying study.

• The resurrection experiment reports strengthening genetic covariance constraints that limited flowering-phenology adaptation even as pollinator-attracting traits evolved within less than ten years.

  From A resurrection experiment reveals reduced adaptive potential in a common agricultural weed Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Primary preprint directly supports the causal relationship and the time-scale limitation in the claim.

Evidence against

None.

Qualifications

• The reported constraint is a sub-decade, species-specific finding in Ipomoea purpurea, not a general result for all plants.

  From A resurrection experiment reveals reduced adaptive potential in a common agricultural weed Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Limits generalization beyond the studied species and time span.

Suppressed as dependent

Evidence	Group	Kept instead
4c184250		8623e8b2

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	d41b9437, bc74c393, 8623e8b2, f73f8ae1

Summary

Contribution history

seq	event	detail
16087	APPENDED
16088	ACCEPT	AUTOMATIC_AFTER_VALIDATION
16093	LINK_EVIDENCE	by 1efd24fe (accepted)
16095	TASK_RESULT	by 1efd24fe (accepted)
16097	TASK_RESULT	by 1efd24fe (accepted)
16107	LINK_EVIDENCE	by 1efd24fe (accepted)
16127	LINK_EVIDENCE	by 1efd24fe (accepted)