Nematóides da região amazônica. l - Nematóides parasitas e de vida livre associados à seringueira (Hevea brasiliensis Muell. Arg.) e ao guaraná (Paullinia cupana H. B. K. var. sorbilis (Mart.) Ducke).

Summary

A taxonomic survey of nematodes, associated with Hevea brasiliensis Muell. Ar. and Paullinia cupana H.B.K. var. sorbilis (Mart.) Ducke, in Para, Brazil, was conducted from June to October, 1976. Criconemoides sp., Helicotylenchus sp., H. dihystera, Hemicriconemoides sp., Meloidogyne incognita, M. javanica Pratylenchus sp., P. brachyurus, Tylenchus sp., Xiphinema sp., X. vulgare and X. americanum were isolated from nursery plants and Criconemoides sp., Helicotylenchus sp., H. dihystera, Hemicycliophora sp., Hemicriconemoides sp., Hoplolaimus sp., Meloidogyne incognita, M. javanica, M. arenaria, Pratylenchus sp., P. brachyurus, Rotylenchus sp., Tylenchus sp., Xiphinema sp., X. vulgare and X. americanum from mature trees. Besides the plant-parasitic nematodes mentioned above, a total of 15 genera and 1 species of free-living nematodes, isolated from nursery and mature trees, are recorded for the first time in the Amazon region.