Plant	Type of Polyploidy	Ploidy	Chromosome Number
Potato	Autopolyploid	4n	48
Banana	Autopolyploid	3n	33
Peanut	Autopolyploid	4n	40
Sweet potato	Autopolyploid	6n	90
Tobacco	Allopolyploid	4n	48
Cotton	Allopolyploid	4n	52
Wheat	Allopolyploid	6n	42
Oats	Allopolyploid	6n	42
Sugar cane	Allopolyploid	8n	80
Strawberry	Allopolyploid	8n	56
Source: After F. C. Elliot, Plant Breeding and Cytogenetics (New York: McGraw-Hill, 1958).