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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Upland rice weeds / COMMELINACEAE (spiderwort family)<br />
<strong>Weed</strong> name: Commel<strong>in</strong>a<br />
benghalensis L.<br />
Syn<strong>on</strong>yms: N<strong>on</strong>e<br />
Local names:<br />
Country Comm<strong>on</strong> name<br />
Angola ndakala<br />
Bangladesh kanaibashi (Bengali)<br />
Ghana nyame-bowu-an amewu<br />
(Fanti)<br />
India k<strong>on</strong>a simolu (Assamese)<br />
kena (Marathi)<br />
kanchara kankaua (Orya)<br />
Ind<strong>on</strong>esia gewor<br />
Mauritius herbe aux coch<strong>on</strong>s<br />
Myanmar myet-cho<br />
Philipp<strong>in</strong>es alikbang<strong>on</strong> (Tagalog)<br />
Samoa Mauutoga<br />
Thailand phak plaap<br />
USA tropical spider wort<br />
Zambia nkumbaile<br />
Life cycle: A creep<strong>in</strong>g annual or<br />
perennial broadleaf that grows as tall<br />
as 40 cm. Propagates by seeds and<br />
stol<strong>on</strong>s.<br />
Habitat: Grows best <strong>in</strong> wet soil.<br />
<strong>Weed</strong>y nature: Able to grow rapidly<br />
from stem cutt<strong>in</strong>gs. Shows rapid<br />
vegetative growth under favorable<br />
c<strong>on</strong>diti<strong>on</strong>s and forms dense pure<br />
stands, smother<strong>in</strong>g low-grow<strong>in</strong>g rice<br />
crop. Difficult to c<strong>on</strong>trol because<br />
vegetative fragments regenerate easily<br />
and because it is resistant to many<br />
soil-applied herbicides.<br />
Agricultural c<strong>on</strong>cern: Can cause<br />
50% yield loss.<br />
28 <strong>Weed</strong> c<strong>on</strong>trol handbook<br />
Seedl<strong>in</strong>g<br />
Inflorescence<br />
Seed, magnified<br />
Mature plant
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