Table 1 Production characteristics and usage of different varieties of sorghum

Grain sorghum

Three to six feet tall, large ear heads

Seed

Food for humans or livestock feed

[10]

Forage sorghum

Fast-growing, high protein and fiber content

Whole plant

Feed, silage and grazing, biofuel production

[11]

Sweet sorghum

Twenty feet tall, higher biomass and lower seed yield, thicker and fleshier stems compared to grain sorghum, high content of fermentable sugars in stem

Juice or seed or bagasse or whole plant

Biofuel and biochemical production, silage for livestock feed

[8, 10, 12,13,14]

Fiber sorghum

Rich cellulose and hemicelluloses in stem

Stems

Paper production, biofuel and biochemical production

[15]