ORIGINAL RESEARCH
Repellent and Nematostatic Behaviour of Botanical
Extracts Against Root-Knot Nematode
Meloidogyne incognita Attacking
Solanum melongena L.
| 1 | Department of Botany, Lords University, Alwar, Rajasthan, India |
| 2 | Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia |
| 3 | Section of Plant Pathology and Nematology, Department of Botany Aligarh Muslim University, Aligarh, India |
| 4 | Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia |
CORRESPONDING AUTHOR
Moh Tariq
Department of Botany, Lords University, Alwar, Alwar Bhiwadi Highway, 301028, Alwar, India
Department of Botany, Lords University, Alwar, Alwar Bhiwadi Highway, 301028, Alwar, India
Submission date: 2020-08-15
Final revision date: 2021-04-14
Acceptance date: 2021-05-24
Online publication date: 2021-10-19
Publication date: 2021-12-23
Pol. J. Environ. Stud. 2022;31(1):307–314
KEYWORDS
TOPICS
ABSTRACT
The current experiment was performed to determine the nematicidal behaviour of aqueous extract
of various weed plants viz., Parthenium hysterophorus, Cymbopogon citratus, Eichhornia crassipes,
Monstera deliciosa and Tinospora cardifolia against hatching, mortality and penetration rate of
Meloidogyne incognita under in vitro condition. The eggs and second stage juveniles were exposed
to various concentrations (250, 500, 1000, 1500, 2000 and 2500 μg/ml) for 5 days and 12, 24 and 48 h
respectively. During the experiment, all plant extracts displayed nematicidal potential. Comparison of
LC50 values of different plant extracts showed that P. hysterophorus was found to be most effective with
LC50 664.9 μg/ml, while T. cardifolia was less effective at 48h of LC50 1419.0 μg/ml. Aqueous extracts
of P. hysterophorus at 2500 μg/ml was highly effective against hatching and mortality after 5 days and
72h exposure period respectively. Whereas T. cardifolia was found least effective. The macerated leaves
of P. hysterophorus applied at 0.3 g/kg sand showed the lowest penetration of M. incognita in brinjal
roots while T. cardifolia displayed highest after 3 and 5 days’ post inoculation. This study suggests that
aqueous extract of the selected plants having nematistatic and nematicidal properties that can be used
for the management of M. incognita in an eco-friendly manner and sustainable agriculture.
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