Nematodes associated with Eucalyptus seedlings in Pakistan
Nematodes associated with Eucalyptus seedlings in Pakistan
Bashir Hussain Shah and M. Ismail Chaudhry
ABSTRACT
Fifteen genera of plant parasitic nematodes belonging to the Order Tylenchida were found in the soil and roots of Eucalyptus saplings in Silvicultural research plots Pakistan Forest Institute, Peshawar, Forest Plantations at Jallo, Chichawatni and Changa Manga, and in Eucalyptus plantation in Watershed Management Project area at Garhi Habibullah, Distt. Hazara. Nine genera of ectoparasitic nematodes and some free living nematodes were also recovered. The percentage of the plant parasitic nematodes of the genera, Rotylenchus Paratylenchus Pratylenchus, Helicotylenchus and Tylenchorhynchus was quite high amongist the parasitic nematodes extracted from the soil and samples of Eucalyptus saplings at Chichawatni and Garhi Habibullah. Other plant parasitic nematodes belonging to the Order Tylenchida infesting Eucalyptus roots at previous places were, Ditylenchus, Criconemoides, Aphelenchus, Aphelenchoides, Rotylenchus, Psilenchus, Tylenchus, Paurodontus, Beleodorus, and Nothotylenchus, the ectoparasitic genera belonging to the Order Dorylaimida ware Longidorus, Nygolaimus, Labronema, Dorylaimus Discolaimus, Discolamium, Tylencholaimus, Aulolaimus and Caraharolaimus and many free living nematodes belonging to the Order Rhabditida.
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December 1975
Vol. 25, Iss. 4
