title: Vertical migration of the rice white-tip nematode, Aphelenchoides besseyi.
abstract: In the laboratory, the vertical migration of Aphelenchoides besseyi was favored by rough surfaces and an inverse water gradient. In relation th gravity, the nematode migrated down or up equally, a circumstance suggesting that a geotaxis was not involved. Stems of rice seedlings were effective surfaces for vertical migration of nematodes only when the stems were continuously supplied with moisture.
authors.forename: J A
authors.initials: JA
authors.lastname: Adamo
authors.forename: C P
authors.initials: CP
authors.lastname: Madamba
authors.forename: T A
authors.initials: TA
authors.lastname: Chen