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VOL. 10, ISSUE 3 (2025)
Occurrence, distribution, and diversity of plant-parasitic nematodes associated with citrus plants
Authors
Jigmet Yangchan, Kanika Choudhary, Mohd Ali, Ruchika Kumari, Sunil Kumar
Abstract
A survey was conducted to assess the community
analysis of phyto-nematode associated with citrus plants in major citrus
growing regions of Himachal Pradesh, India. Total of 110 sample were collected
randomly from four districts. Nematodes were extracted and identified to the
genus level based on their morphological characteristics. Nematode communities
were analyzed by absolute frequency, relative frequency, relative density, and
prominence value in different localities. Our study revealed the presence of saprophytic, and seven genera of plant parasitic nematodes from the
collected samples. Meloidogyne spp.,
Paratylenchus spp., Criconema spp., Rotylenchulus spp.,
Helicotylenchus spp., Haplolamius spp., and Tylenchulus
semipenitrans were observed in the surveyed orchards. Amongst the plant parasitic nematodes, T. semipenetrans was
highly abundant (100%) followed Melidogyne spp., (69 %), by Helicotylenchus spp., (58%), Pratylenchus spp., (45%), Criconema (27%), Hoplolaimus
spp., (15%) and Rotylenchulus spp., (14%). The highest population density of Tylenchulus semipenetrans was
reported in Una, followed by Sirmaur, and Kangra district, while it was least
prevalent in Hamirpur. The results provided valuable information on the
community structure of nematodes from major citrus-growing region of Himachal
Pradesh. Moreover, this data can be used as a preventive measure before plant
parasitic nematode incidence results in greater losses.
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Pages:97-101
How to cite this article:
Jigmet Yangchan, Kanika Choudhary, Mohd Ali, Ruchika Kumari, Sunil Kumar "Occurrence, distribution, and diversity of plant-parasitic nematodes associated with citrus plants". International Journal of Entomology Research, Vol 10, Issue 3, 2025, Pages 97-101
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