Population dynamics of key insect-pests of groundnut (Arachis hypogea L.)
DOI:
https://doi.org/10.48165/jefa.2026.21.1.9Keywords:
Dynamics, population, groundnut, insect pests, defoliators.Abstract
This research was carried out during the kharif season of 2022 at the Agricultural Research Farm of Baba Raghav Das Post Graduate College, Deoria. Groundnut var. Deepika was chosen for experiment and sown under large plot technique experimental design. The population of major insect pests were recorded on weekly basis. The result for defoliators revealed that the incidence of grasshopper initiated during 29th SMW and reached to its peak in 36th SMW, and the population exhibited significantly negative correlation with minimum temperature, while exhibiting a positive correlation with Rhmax, Rhmin and rainfall. The observation taken for epilachna beetle showed its initial incidence in 29th SMW, and reached to its peak in 30th SMW and the correlation studies showed the significant and negative correlation with rainfall, while a non-significant positive correlation with Rhmax and Rhmin. The leaf miner’s incidence in groundnut began in 31st SMW and attained maximum value in 34th SMW, followed by a decline to a minimum level of 0.08 per trifoliate during 37th SMW. It showed a significantly negative correlation with Rhmin. The data for the sucking insect pests showed that the first appearance of whitefly was observed during 31st SMW and reached to its peak in 36th SMW, while in case of leaf hopper, it appeared in 33rd SMW with its peak in 36th SMW. The whitefly population was negatively correlated with both maximum and minimum temperature, whereas positively correlated with maximum Rhmax, Rhmin and rainfall. The leaf hopper showed a positive correlation with maximum temperature, minimum temperature and Rhmax but negatively correlated with Rhmin and rainfall.
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References
Adhikari, B.; Bhusal, P.; Kafle, K. and Rajkumar, K.C. 2021. Effects of different weather parameters on insect pest incidence in paddy in Sundarbazar Lamjung. Tropical Agroecosystems 2(2): 82-86.
Bhamare, V. K.; Dhembare, R.D.; Nalwandikar, P.K.; Deshmukh, K.V. and Ingale, A. S. 2018. Influence of ambient weather on the incidence of hairy caterpillars infesting sole sunflower and sunflower intercropped with pigeon pea. Journal of Entomology and Zoology Studies 7: 576-580.
Bhavasar, K.N.S. and Kumar, A. 2019. Population dynamics of insect pest complex of soybean [Glycine max (L) Merrill] in relation to weather parameters at Prayagraj, (UP). Journal of Entomology and Zoology Studies 7(4): 57-60.
Chaudhari, N. and Senapati, S. K. 2004. Incidence and biology of Leaf miner (L.trifoli Burgess) on tomato as influenced by weather conditions. Annals of Plant Protection Sciences 12(1): 55-58.
Dabhade, P.L.; Bapodra, J.G.; Jethava, D.M.; Rathod, R. T. and Dabhi, M.V. 2012. Estimation of yield losses due to major insect pests of groundnut in Gujarat.Legume. International Journal of Research 35(4): 354-356.
David, V.B. and Ramamurthy, V.V. 2011. Elements of Economic Entomology. Namrutha publications, Chennai, Tamil nadu, pp 385.
Kumar, M.; Nirala. Y.S.; Mandawi, N.; Thakur, A.K. and Singh, D.P. 2023. Studies on seasonal incidence of grasshopper and earhead bug in little millet (Panicum sumatrense R.) at Bastar, Chhattisgarh. The Pharma Innovation Journal 12(3): 3195-3197
Manjoo, S. and Swaminathan, R. 2007. Bio-ecology and management of Henosepilachna vigintioctopunctata (Fabricius) (Coleoptera: Coccinellidae) infesting ashwagandha [Withania somnifera (L.) Dunal]. Journal of Medicinal and Aromatic Plant Sciences 29: 16-19.
Mawtham, M. M.; Justin, C.G.L.; Roseleen, S.S.J. and Chandrasekaran, M. 2020. Correlation of Weather Factors on the Incidence of Epilachna Beetle Henosepilachna septima Dieke and its Natural Enemy. International Journal of Current Microbiology and Applied Sciences 9(6): 2637-2642.
Mehta, J. 2002. Phenotypic stability in spanish bunch groundnut. M. Sc. (Agri.) Thesis submitted to GAU, Sardarkrushinagar, pp.56.
Mohapatra, L.N. 2008. Population dynamics of sucking pests in hirsutum cotton and influence of weather parameters on its incidence in western Orissa. Journal of Cotton Research and development. 22(2): 192-194.
Pazhanisamy, M. and Hariprasad, Y. 2014. Seasonal incidence of leaf miner, Aproaerema modicella (Deventer) in groundnut ecosystem in Ariyalur district of Tamil Nadu, India. Plant Archives 14(1): 55-58.
Ramanathan, T. 2001. Genetic improvement of groundnut. Published by Associated Publishing Company, New Delhi, 9pp.
Shera, P.; Kumar, V. and Aneja, A. 2013. Seasonal abundance of sucking insect pests on transgenic Bt cotton vis-à-vis weather parameters in Punjab, India. Acta phytopathologica et entomologica Hungarica 48(1): 63-74.
Venkatesha, M.G. 2006. Seasonal occurrence of Henosepilachna vigintioctopunctata (F.) (Coleoptera: Coccinellidae) and its parasitoids on ashwagandha in India. Journal of Asia-Pacific Entomology 9(3): 265-268.
Wankhede, S.Y.; Kharbade, S.B.; Shaikh, A.A.; Sthool, V.A.; Jadhav, J.D.; Hasabnis, S.N.; and Bajolage, R. 2020. Population dynamics and forewarning models for prediction of population of groundnut thrips under different sowing window and groundnut varieties. Journal of Entomology and Zoology Studies 8(5):1284-1291.
