Semi-dwarf wheat: a shared breeding achievement

What changed

Combined dwarfing traits, disease resistance, breeding and field testing to develop productive wheat varieties and extend them across growing regions.

Scientific scope

The source-described germplasm, breeding and field-testing chain for semidwarf wheat.

Evidence

Original sources and institutional historical accounts support the stated contribution. The reading boundary is recorded at each source; this assessment is not an independent scientific verification.

Contributors

• Norman Borlaug · SCIENCE: Named source contributor to this scoped work; individual labor shares are not measured.
• Gonjoro Inazuka · SCIENCE: Named source contributor to this scoped work; individual labor shares are not measured.
• Orville Vogel · SCIENCE: Named source contributor to this scoped work; individual labor shares are not measured.
• M. S. Swaminathan · SCIENCE: Named source contributor to this scoped work; individual labor shares are not measured.

• CIMMYT institutional history: how a dwarfing gene travelled through wheat breeding

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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