Incidence of root-knot nematodes on different date-palm (Phoenix dactylifera L.) cultivars
Incidence of root-knot nematodes on different date-palm (Phoenix dactylifera L.) cultivars
M. S. Yasir†, A. K. Sajid, N. Javed and M. Ghani
ABSTRACT
A survey was conducted in different randomly selected localities of the date-palm (Phoenix dactylifera L.) growing
areas of district Kharan for the determination of incidence, prevalence, severity and identification of major species
of root-knot nematodes. During the survey, a total of 160 root samples were collected from different localities and
cultivars of date-palm. The maximum prevalence was recorded from locality Nouroz Kalat (100%) and the
minimum prevalence recorded was (20%) from Totazai and Raskoh. The incidence, as well as severity varied in all
the cultivars. The maximum severity and incidence of root-knot nematode was recorded from date-palm cultivar
Rabi (90%) followed by Alini (80%) with galling index of 4 and the minimum was recorded in cultivar Kaluth
(20%) with a galling index of 1. The root samples collected from date-palm cultivars showed the occurrence of two
species of root-knot nematode Meloidogyne incognita and Meloidogyne javanica which were found to be associated
with date-palm in district Kharan. In the present study date-palm (Phoenix dactylifera L.) is reported as a new host
of Meloidogyne javanica in Pakistan.
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June 2018
Pakistan Journal of Nematology, Vol. 36, Iss. 1, Pages 1-115
