Field Mustard

Field Mustard

English name: Field Mustard, Rape seed

Scientific name: Brassica rapa L.

Synoname      : B. napus, B. campestris                    

Local name: Magi, Tori, Sarisha

Chromosome number: 2n=20

Taxonomic position of mustard According to Cronquist (1981)

Botanical Description of Brassica campestris

Habit: Annual or biennial herb

Root: Tap root system, roots are slender

Stem: Erect, branched, glabrous

Leaf: Simple, alternate, the shape of leaf is lanceolate, the lower leaves are deeply lobed, bluish-green and glaucous. Rosette of leaves at young stage.

Inflorescence: panicle

Flower: Complete, pedicillate, the flowers have pale yellow to bright yellow petals.

Calyx: Sepal oblong

Corolla: Petal 4, cruciform

Androecium: Stamen 6, tetradynamous (4 larger and 2 smaller)

Gynoecium: Ovary cylindrical, superior, stigma capitate

Fruit: Siliqua generally 5-11 cm long, which contains 20-40 seeds (Elzebroke and Wind,2008)

Chromosome number: 2n=20

Table 1. Field mustard (Brassica campestris) varieties developed by Oil Seeds Research Centre (ORC), Bangladesh Agricultural Research Institute (BARI), Joydebpur, Bangladesh; Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh