Maha Kudamatta Fimbristylis dichotoma

Common name - Maha Kudamatta

Botanical name - Fimbristylis dichotoma

Family         - Cyperaceae

Life cycle - Annual

Morphology 

• Roots fibrous, white or brown
• Stem erect, flat, solid, glabrous. Stipules absent
• Leaves simple, not lobed or divided, sessile, linar, more than 2 cm long/wide, marginentire, apex acute, base clasping. Leaf sheath present, compressed in cross section
• Flowers bisexual, grouped together in a terminal umbel, sessile, green or brown, petals absent
• Fruit a nut

Propagation

• By seeds

Agricultural usage/ importance 

• Important weed in rice

Control method

• Keeping a layer of water (15 cm) on rice
• Pre - emergence application of Pretilachlor 1.0 kg/ha
• Post - emergence application of 2_4 - D at 500 /ha or Almix at 4 g/ha