Common name - Bata dalla
Botanical name - Isachne globosa
Family - Poaceae
Life cycle - Annual or short lived Perennial
Morphology
- A perennial grass spreading by long leafy stems rooting at the nodes, sometimes scrambling to over 1 m, sometimes forming mats or cushions
- Leaf sheaths 2 - 3 cm long with long, bulbous-based hairs at the throat
- Ligule a row of long white hairs. Leaf blades oblong-lanceolate, 2 - 11 cm long, 3 - 12 mm wide, rounded at the base, acute at the tip, margins narrowly pale, cartilaginous, somewhat scabrid, green to glaucous green, variously glabrous or minutely scabrid/bristly or pilose
- Inflorescence a terminal pyramidal panicle, erect and stiff, 4 - 15 cm long with many spikelets on capillary branches, wavy, glabrous but with conspicuous glands
- Spikelets globose somewhat lopsided, muticous, 2.3 - 3 mm long with 2 - 3 florets, light to yellow-green
Propagation
- By seed
Agricultural usage/ importance
- A Serious weed in Sri Lanka. One of the four most-frequent weeds of rice in six growing areas in Sri Lanka
Control method
- Use rotary weeder
- Hand weeding
- Weed utilization in rice fields, Using mulching effect and Allopathic effect
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