Dr. NV Lavhe, Dr. DB Undirwade, Sh. SV Dhonde, Dr. AV Kolhe, Dr. SL Borkar, Dr. VK Biradar, Dr. PR Panchbhai and Dr. HR Sawai

The present investigation was conducted at Plant Protection Division, ICAR-Central Institute for Cotton Research, Nagpur during the year 2014-2018 respectively. During the present studies 11 genera were identified from 57 samples collected from 19 talukas of 05 districts in Vidarbha region of Maharashtra state. The absolute and relative frequencies alomg with densities was recorded highest in various genera viz. Helicotylenchus, Pratylenchus, Tylenchulus and Tylenchus genera. However, the highest absolute and relative frequency was recorded in Helicotylenchus (93.99 & 18.53%) followed by Pratylenchus (84.51 & 16.80%) in citrus ecosystem. Whereas, the Helicotylenchus and Pratylenchus genera noticed the highest absolute and relative density of (2.10 & 17.46%) and (1.89 & 15.76%) respectively. The prominent value indicates the prominent presence of the genera Helicotylenchus (7.62), Tylenchulus (6.97), Pratylenchus (5.77) and Tylenchus (2.59) in citrus ecosystem. The high density spots recorded at 19 spots in 16 talukas of 05 districts.

DOI: 10.22271/phyto.2024.v13.i2b.14874

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