Columbia subject headings:
Harvard subject headings:
Grain--Breeding
Grain--Genetics.
Grain--Seeds--Composition.
Legumes--Breeding
Legumes--Genetics.
Legumes--Seeds--Composition.
Plant proteins.
Princeton subject headings:
Grain--Breeding.
Grain--Genetics.
Grain--Seed--Composition.
Legumes--Breeding.
Legumes--Genetics.
Legumes--Seed--Composition.
Plant proteins.