Journal of Contemporary Agriculture and Bioscience
Influence of Sowing Date on Yellow Vein Mosaic Virus (YVMV) Infestation in Kenaf (Hibiscus cannabinus L.) Varieties
Received: 05 September, 2023 || Accepted: 10 October 2023 || Published: 25 October 2023
A b s t r a c t
Yellow vein mosaic virus (YVMV), transmitted by whiteflies (Bemisia tabaci), is a major limiting factor in kenaf (Hibiscus cannabinus L.) production, causing significant fiber yield losses. The experiment was carried out at the Jute Research Substation, Monirampur, Jashore, to evaluate the effect of different sowing dates on YVMV incidence and fiber yield of two kenaf varieties (A= HC-95 and B= BJRI Kenaf-4). Three sowing dates (1st April, 15th April and 1st May) were tested in a factorial randomized complete block design with three replications. YVMV incidence, area under disease progress curve (AUDPC), and fiber yield were recorded. Early sowing (1st April) recorded the highest YVMV incidence (28.0% in Variety A and 25.0% in Variety B) and the lowest fiber yield (2.2–2.3 t/ha), whereas mid-April sowing (15th April) minimized disease incidence (15–18%) and maximized fiber yield (2.5–2.6 t/ha). Variety B showed slightly lower disease incidence and higher yield than Variety A. A negative correlation (r ≈ -0.68) was observed between YVMV incidence and fiber yield. The study indicates that mid-April sowing combined with tolerant varieties can effectively reduce YVMV impact and improve kenaf fiber productivity.
Keywords: Kenaf, Yellow vein mosaic virus, Bemisia tabaci, sowing date 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. 2023. Influence of Sowing Date on Yellow Vein Mosaic Virus (YVMV) Infestation in Kenaf (Hibiscus cannabinus L.) Varieties. Journal of Contemporary Agriculture and Bioscience, 1(2), 49-51.
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