Sorghum

Sorghum

Scientific name: Sorghum bicolor (L.) Moench

English name: Sorghum.

Bangla/Local names: Dedhan, Jowar, Kasajonar, Kurbi

 

 

 

Taxonomic Position According to Cronquist (1981)

Kingdom :Plantae
Division :Magnoliophyta
Class :Liliopsida
Subclass :Commelinidae
Order :Poales
Family :Poaceae
Genus :Sorghum
Species :S. bicolor

Figure: Field View of Sorghum

Botanical Description of Sorghum

Habit: Annual herb,

Root: Tap root system

Stem: Erect, solid, having node and internode.

Leaf: Simple, alternate, sessile, divided into two parts- leaf-sheath and leaf-blade, at the junction of leaf-sheath and leaf-blade auricle and legume are present. The leaf-sheath and stem are glabrous with waxy bloom.

Inflorescence: Panicle with primary, secondary or tertiary branches.

Flower: Spikelets are spared one sessile and hermaphrodite, the other pedicellet and male or sterile.

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Figure: Sorghum Flower

Perianth

Androecium: Stamens 3, anthers 3-4 mm long, yellow.

Fruit: Caryopsis polished, broadly elliptic, 2- 3 mm long, red or reddish-brown, embryo 1 mm long.

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Figure: Inflorescence of Sorghum

millet

Figure: Sorghum Spikelet

Chromosome number: 2n=20

Economic Importance: Itis one of the major grain crops for human food throughout the drier areas of Africa and India. The fodder varieties are used widely for feeding cattle and horses. The stalk are used for Stover, roughage.

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Figure: Grain Sorghum

Type of sorghum (according to International Board of Plant Genetic Resources)

  • Bicolor sorghum
  • Guinea sorghum
  • Caudatum sorghum
  • Kafir sorghum
  • Durra sorghum

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