A handbbok on Weed Control in Rice.pdf
A handbbok on Weed Control in Rice.pdf
A handbbok on Weed Control in Rice.pdf
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Deepwater rice weeds<br />
PONTEDERIACEAE (pickerel-weed family)<br />
<strong>Weed</strong> name: Eichhornia crassipes<br />
(Mart.) Solms<br />
Syn<strong>on</strong>yms: N<strong>on</strong>e<br />
Local names:<br />
Country Comm<strong>on</strong> name<br />
Bangladesh kachuripana<br />
Brazil aquapede-flor-roxa<br />
Cambodia kamphlok (Khmer)<br />
France eichhornie, jac<strong>in</strong>the d’eau<br />
India jalkumbhi, kulauoli<br />
(Malayalam)<br />
akasa-thamarai, neithama<br />
rai (Tamil)<br />
Ind<strong>on</strong>esia etjeng padi<br />
Malaysia keladi bunt<strong>in</strong>g<br />
Myanmar<br />
beda-b<strong>in</strong><br />
Thailand phak top chawaa<br />
USA water hyac<strong>in</strong>th<br />
Vietnam luc-b<strong>in</strong>h<br />
Life cycle: A perennial, flower<strong>in</strong>g,<br />
aquatic, m<strong>on</strong>ocotyled<strong>on</strong>ous, broadleaf<br />
plant. It spreads by produc<strong>in</strong>g vegetative<br />
offshoots and seeds.<br />
Habitat: Adapted to fresh water; .<br />
found <strong>in</strong> rivers, canals, and reservoirs.<br />
Moves <strong>in</strong>to deepwater rice with water<br />
currents or str<strong>on</strong>g w<strong>in</strong>ds.<br />
<strong>Weed</strong>y nature: Grows quickly and<br />
crowds out rice through shad<strong>in</strong>g.<br />
Impedes water flow <strong>in</strong> irrigati<strong>on</strong> canals<br />
and causes large amount of water loss<br />
through evapotranspirati<strong>on</strong>.<br />
Agricultural c<strong>on</strong>cern: Can<br />
completely destroy deepwater rice by<br />
crowd<strong>in</strong>g the rice plants.<br />
38 <strong>Weed</strong> c<strong>on</strong>trol handbook<br />
Mature plant<br />
Inflorescence
Change language