Common name - Kuda matta
Botanical name - Fimbristylis miliacea
Family - Cyperaceae
Life cycle - Annual or perennial
Morphology
- Annual or perennial, without hairs, strongly tillering, with fibrous roots and up to 80—90—cm high
- Stem: slender, erect, densely tufted, compressed, and smooth; strongly angled at the top and flattened at the base; 20—70—cm tall
- Leaf: stiff and thread-like; on flowerless stems: in 2 rows and with flattened sheaths; no prominent midribs; on flowering stems: only linear leaf sheaths; basal leaves have overlapping leaf sheaths; ligule absent
- Inflorescence: 6-10cm long, compound umbel with 6-50 spikelets; spikelets reddish brown, 2-4mm long and either round or acute at apex
- Fruit: straw-colored or pale ivory nut, 0.2-0.3mm long
Propagation
- By seed
Agricultural usage/ importance
- A serious and widespread weed of rice
- An alternate host of diseases Rhizoctonia solani, Thanatephorus cucumeris, and Xanthomonas campestris pv. oryzae, insects Creatonotus gangis Linnaeus, Leptocorisa acuta (Thunberg), and Mythimna separata (Walker), and nematodes Hirschmanniella sp. and Meloidogyne spp
Control method
- Hand cultivation
- Post emergence application of MCPA and 2,4-D reported to be effective in rice
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