Journal of Contemporary Agriculture and Bioscience
Effect of Different Dates of Sowing on Major Insect Pest Infestation on Tossa Jute (Corchorus olitorius L.) Varieties During Fiber Growing Season
Received: 26 August, 2023 || Accepted: 28 September 2023 || Published: 05 October 2023
A b s t r a c t
This study assessed the effects of different sowing dates on the incidence and severity of major insect pests of tossa jute (Corchorus olitorius L.) during the 2023 fiber-growing season. The experiment was carried out at the Jute Research Substation, Monirampur, Jashore, using three tossa jute varieties (O-9897, JRO-524, and BJRI Tossa Pat-8) under four sowing dates (15 March, 30 March, 15 April, and 30 April). Results showed that early sowing (15 March) substantially reduced pest infestations, whereas late sowing (30 April) significantly increased the population densities of semilooper (Anomis sabulifera), hairy caterpillar (Spilosoma obliqua), and yellow mite (Polyphagotarsonemus latus). Among the varieties, O-9897 exhibited moderate resistance across all sowing dates, while JRO-524 was comparatively more susceptible. Fiber yield was highest under early sowing and progressively declined with delayed sowing. Statistical analysis confirmed that the interaction between sowing date and variety had a significant effect on both pest incidence and fiber yield.
Keywords: Tossa jute, sowing date, insect pests, semilooper, hairy caterpillar, yellow mite and fiber yield.
Copyright information: Copyright © 2023 Author(s) retain the copyright of this article. This work is licensed under a Creative Commons Attribution 4.0 International License
How to cite: Ghosh, A., Islam, S.N., Rana, M.M. and Noman, M.S. 2023. Effect of Different Dates of Sowing on Major Insect Pest Infestation on Tossa Jute (Corchorus olitorius L.) Varieties During Fiber Growing Season. Journal of Contemporary Agriculture and Bioscience, 1(2), 45-48.
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- Chaudhary, A., Mandal, S., & Roy, S. (2014). Incidence of major insect pests in tossa jute (Corchorus olitorius L.) and their impact on fiber yield. Journal of Entomological Research, 38(3), 217–222.
- Islam, M., Akter, S., & Hossain, M. (2020). Influence of sowing date on yellow mite infestation in tossa jute (Corchorus olitorius L.). Journal of Plant Protection Sciences, 12(2), 33–41.
- Mukherjee, P. K., Saha, A. K., & Roy, S. (2014). Integrated management approach for control of the pest complex of olitorius jute (Corchorus olitorius L.). Indian Journal of Natural Fibres, 8(1), 59–65.
- Rahman, M., Khatun, M., & Hossain, M. (2023). Performance of BJRI Tossa Pat-8 under different sowing dates in Bangladesh. Bangladesh Journal of Agricultural Research, 48(2), 123–135.
- Saha, A. K., & Roy, S. (2012). Field evaluation of tossa jute varieties for resistance to yellow mite. Asian Journal of Biological and Life Sciences, 1(2), 101–103.
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