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Weeds reported in rice in south and southeast Asia

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328 RICE WEEDS IN SOUTH AND SOUTHEAST ASIA<br />

Senaratna S D J E (1956) The grasses of Ceylon. Peradeniya Manual 8. Government Press,<br />

Colombo, Ceylon. 229 p.<br />

Senewiratne S T, Appadurai R R (1966) Field crops of Ceylon. Lake House Investment Ltd.,<br />

Colombo, Sri Lanka. 376 p.<br />

Van Rijn P J (1982) Report of a mission on FAO <strong>in</strong>ter-country programme for the development<br />

<strong>and</strong> application of <strong>in</strong>tegrated pest control for <strong>rice</strong> grow<strong>in</strong>g <strong>in</strong> <strong>south</strong> <strong>and</strong> <strong>south</strong>-east <strong>Asia</strong> -<br />

establishment of weed control component. Food <strong>and</strong> Agriculture Organization, Rome, Italy.<br />

Van Steenis C G C J (1950- ) Flora Malesiana. Noordhoff-Kolff N.V., Jakarta, Indonesia.<br />

Velmurugu V, Yogaratnam V (1968) The role of herbicides <strong>and</strong> problems aris<strong>in</strong>g out of their use<br />

<strong>in</strong> weed control. Paper presented at the 24th Annual Session of the Ceylon Association for<br />

the Advancement of Science, Dec 1968, Colombo, Ceylon.<br />

Weerakoon W L, Gunewardena S D I E (1983) Rice field weed flora of Sri Lanka. Trop. Agric.<br />

139:1-14.

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