Classification

A) Manchurian classification (based on seed color)

1. Yellow group

• Yellow seed with large hilum

• Yellow seed with brown hilum

• Yellow seed with golden hilum

2. Black group

• Large black seed

• Flat black seed

• Small black seed

3. Green group

• Epidermis green but embryo yellow

• Epidermis and embryo both green

B) Martain classification (based on shape and size)

1. Soja elliptica

2. Soja spherica

3. Soja compressa

C) Hertz classification (based on shape of pod)

1. Soja platicarpa

2. Soja tumida