The objectIves of the research were to study the effect of flooding and draining on the population and life cycle of root-knot nematode of rice (Meloidogyne graminicola). To study the effect of flooding and draining on the population of M. graminicola two experiments were done within two period of planting of rice IR 64. https://www.chiggate.com/red-sensation-hydrangea-supply/