bacterial leaf blight in rice

bacterial leaf blight in rice

  • caused by a bacterium Xanthomonas oryzae pv. oryzae.
  • Also called Xoo bacteria. Xoo is a gram-negative bacteria.
  • It is a vascular disease.
  • Xoo infection initiates from the leaf sheath and eventually spreads to mature leaves through the water flow.
  • Xoo may infect other plants, such as rice cut-grass (Leersia oryzoides), Chinese sprangletop (Leptochloa chinensis), and common grasses and weeds.
  • The most-common method of defending against rice bacterial blight is the cultivation of rice varieties with genes that confer resistance to Xoo infection.
  • scientists from the Centre for Plant Molecular Biology (CPMB) have uncovered the mechanism by which a bacterium called Xoo interacts with rice plants and causes disease.