تلخیص
An assessment of parasitic nematodes on ornamental plants was conducted in the University of Karachi, Karachi,
Pakistan, from August to December 2018. Ten different ornamental plants viz., Christ Plant (Euphorbia milii), Copper
Leaf (Acalypha wilkesiana), Jungle Flame (Ixora coccinea), Rose (Rosa indica), Champa (Plumeria obtusa), China
rose (Hibiscus rosa-sinensis), Good luck tree (Cordyline terminalis), Jasmine (Jasminum officinale), Marigold
(Tagetes patula) and Ulta Ashok (Polyalthia longifolia) were assessed for association with plant-parasitic nematodes.
Seven of the eleven genera encountered in this study were identified up to species level, viz., Pratylenchus coffeae
((Zimmermann, 1898), Filipjev & Schuurmans Stekhoven, 1941), Hoplolaimus indicus (Sher, 1963), Longidorus
siddiqii (Aboul Eid, 1970), Rotylenchulus reniformis (Linford & Oliveira, 1940), Tylenchorhynchus vulgaris (Siddiqi,
1961), Aphelenchus avanae (Bastian, 1865), Hemicriconemoides communis (Edward and Misra, 1963). Ornamental
plants in which new host associations were recorded included Euphorbia milii, Acalypha wilkesiana, Ixora coccinea,
Polyalthia longifolia, Plumeria obtusa, Hibiscus rosa-sinensis, Cordyline terminalis and in Tagetes patula.