1. In favorable conditions, the spores of this bacteria survive in the soil for many days.
2. The disease attacks the next crop through rice weed and weed. Subsists on grasses and wild rice as alternative feeders.
3. Bacterial spores can survive in canal water during summer.
4. Bacteria enter the host through plant wounds and hydathodes. Later enters leaf veins.
5. This germ spreads with the help of wind and rain water.
6. This germ spread in the field through ground water.
7. High temperature (25-30°C), high water vapor and rainfall are conducive to disease transmission.
8. The disease is spread by air flow and excess nitrogen in the soil.