Population density of Meloidogyne incognita under stress of different cropping sequences

Five different cropping sequences including cucumber, dry common bean, cowpea, maize and sesame plants replacing sugar beet for controlling root-knot nematode, meloidogyne incognita resulted that sugar beet-hybrid maize and sugar beet-sesame cropping sequences proved most effective against root-knot nematode as they reduced nematode parameters as indicated by the number of galls, egg-masses and hatched juveniles on roots. consequently, they lowered rates of nematode population ranged from 0 and 0.01, respectively. however, the higher nematode populations were supported rest crops. it is concluded that use of poor or non host crops may be beneficial for controlling root-knot nematode population densities in intensive cropping system.