• Common Name : Diyahabarala

• Scientific Name : Monochoria vaginalis

• Family : Pontedriaceae

• Life cycle :Perannial

• Morphological characters : Stem – The stem is slightly erect and fleshy.

• Roots – :The roots are submerged under water or rooted in the mud and the rest parts are above the water surface.

• Leaves – : The leaves are heart-shaped, shiny, and with rounded bases.

• Flowers –: The flower head is clustered and composed of up to 25 flowers. The flowers are lilac or violet-blue.

• Propagation :: By Seeds or whole plant.

• Agricultural importance :: Diyahabarala can reduce rice yield as high as 82%, when left uncontrolled. Sixty individual plants/sq. m. can reduce yield by up to 35% (Rice IPM, 2001).

• Uses :: In India , the plant is used as vegetable and the roots are used for medicinal purposes.

• Control measures :: Studies show that when the weeds infest some rice fields in South Korea, they are found to be resistant to Bensulfuron-methyl.Thorough land preparation by plowing and harrowing. Keeping seedbeds free of weeds. Hand weeding, Crop rotation.