A handbbok on Weed Control in Rice.pdf
A handbbok on Weed Control in Rice.pdf
A handbbok on Weed Control in Rice.pdf
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Lowland rice weeds / POACEAE (grass family)<br />
<strong>Weed</strong> name: Leptochloa ch<strong>in</strong>ensis (L.)<br />
Nees<br />
Syn<strong>on</strong>yms: N<strong>on</strong>e<br />
Local names:<br />
Country Comm<strong>on</strong> name<br />
Colombia plumilla (Spanish)<br />
El Salvador cola de buey (Spanish)<br />
Ind<strong>on</strong>esia beb<strong>on</strong>tengan (Javanese)<br />
Japan azegaya<br />
Philipp<strong>in</strong>es palay-maya (Tagalog)<br />
Thailand yoa y<strong>on</strong> hun<br />
USA Ch<strong>in</strong>ese sprangle top<br />
Vietnam có duöi phung<br />
Life cycle: An annual or perennial<br />
grass that can grow as tall as 120 cm.<br />
Propagates by seeds.<br />
Habitat: Grows well <strong>in</strong> marshy fields<br />
but will not survive c<strong>on</strong>t<strong>in</strong>uous flood-<br />
<strong>in</strong>g. Can also grow <strong>in</strong> upland fields.<br />
<strong>Weed</strong>y nature: Propagates from<br />
cutt<strong>in</strong>gs of the culm or rootstocks,<br />
therefore establishes and spreads<br />
easily under tillage.<br />
Agricultural c<strong>on</strong>cern: A serious<br />
weed <strong>in</strong> rice. Competes with rice for<br />
nutrients and light and can reduce<br />
yields more than 40%.<br />
Seedl<strong>in</strong>g<br />
Seed, magnified<br />
Mature plant<br />
Inflorescence<br />
<strong>Weed</strong>s worldwide 21
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