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Package of Practices
  • A compendium of state specific and location specific recommended package of practices are provided under this head. You may be interested to see that, thanks to our IP based customisation, that only your state (the state from where you are accessing RKMP) specific information is available.
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12
Jul

Perennial sedges - Cyperus rotundus L. (Purple nut sedge)

 

Family: Cyperaceae Description: One of the worlds worst weed, Height -15-60 cm. - The plant is swollen and thickened at the base. It has triangular smooth scape, 10 to 60 cm in height, arising from the centre of a basal cluster of narrow grass like leaves of 30-50 cm long and 8 mm wide. - The leaves are smooth shiny, dark green and grooved on the upper surface. - The slender underground runners grow out from the base of the stem and form series of black, irregular shaped or nearly round tubers which are 2 cm in length. Tubers sprout to produce new plants while still attached to parent plant. - The inflorescence arises from stem apex. It consists of a number of slender branches which carries a cluster of spikelets at the end which are brown to dark brown in colour. Each spikelet consists of 10-30 small crowded florets which ripen to form black triangular nuts. - The rhizomes give rise to underground tubers which proliferates intensively. Tubers are concentrated in the surface 10 cm soil and store food and are effective means of propagation. New tubers are produced within 3 weeks after sprouting of individual tuber. Tubers have nodes, internodes and scale leaves. - The plant is sensitive to shade.
12
Jul

Annual sedges - Cyperus iria L.

 

 

Family: Cyperaceae Description: - Widely distributed species in paddy fields Stems 15 to 50 cm high, trigonous

12
Jul

Annual grass weed - Echinocloa crusgalli ssp.

Family: Poaceae Description: - Tufted annual grass. - Height - 30- 60 cm with thick, coarse, mostly erect smooth and branching at the base. - Sessile leaf blades attached to a smooth sheath which encircles the stem in the absence of ligule. The leaf blade is 10-30 cm long and 5-20 mm wide. Midrib is prominent. - Stem is stout. Culms branches at the base and produce tillers. - Widely distributed throughout the warm tropics. - Propagation - seeds.

Family: Pontederiaceae Description: - Root stock short and sub erect - Leaves linear or narrowly ovate with cordate base 5 to 15 cm long - Propagation - seed and root stock. - Thrives well in moist places
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