@article{fdi:010007833, title = {{P}lant parasitic nematodes associated with upland rice in the {P}hilippines}, author = {{V}illanueva, {L}.{M}. and {P}rot, {J}ean-{C}laude and {M}atias, {D}.{M}.}, editor = {}, language = {{ENG}}, abstract = {{A} survey was conducted in eight {P}hilippine provinces to identify the major plant parasitic nematode genera associated with upland rice, determine their frequency of occurrence and abundance, and assess their potential as rice parasites. {F}rom 190 fields, 1,900 soil and root samples were collected at either pre-seeding or maximum tillering stage. {E}leven genera and species of plant parasitic nematodes were found to be associated with upland rice : #{C}riconemella$, #{H}elicotylenchus$, #{H}emicriconemoides$, #{H}emicycliophora$, #{H}oplolaimus$, #{M}eloidogyne$, #{P}ratylenchus zeae$, #{R}otylenchulus reniformis$, #{R}otylenchus$, #{T}ylenchorhynchus$, and #{X}iphinema$. {I}n all provinces sruveyed #{C}riconemella$, #{H}elicotylenchus$, #{P}. zeae$, and #{X}iphinema$ were present. #{P}. zeae$ was detected in all the surveyed fields with high population densities (average of 174 per g of root). {L}ow population densities of #{M}eloidogyne$ wer observed in 35% of the fields. #{P}. zeae$ was omnipresent and seems to be a component of the {P}hilippine upland rice ecosystem. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{NEMATODE} {PHYTOPARASITE} ; {RIZ} {PLUVIAL} ; {INVENTAIRE} {FAUNISTIQUE} ; {DENSITE} {DE} {POPULATION} ; {ABONDANCE} ; {PHILIPPINES}}, booktitle = {}, journal = {{J}ournal of {P}lant {P}rotection in the {T}ropics}, volume = {9}, numero = {2}, pages = {143--149}, ISSN = {0127-6883}, year = {1992}, URL = {https://www.documentation.ird.fr/hor/fdi:010007833}, }