International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Integrated Management Strategies for Guava Fruit Rot Disease in Bihar: Evaluation of Biological, Botanical and Post-Harvest Approaches

Author(s) Manisha Kumari, Dr. Manoj kumar
Country India
Abstract Guava fruit rot is one of the major causes of post-harvest loss in Bihar, where warm temperature, high humidity, and inadequate storage conditions favor rapid fungal infection and fruit deterioration. The present study evaluated different management strategies for controlling guava fruit rot through chemical, biological, botanical, and post-harvest approaches under Bihar conditions. Chemical fungicides such as carbendazim, mancozeb, and copper oxychloride reduced disease incidence effectively, with carbendazim showing the best short-term performance. Among biological treatments, Trichoderma harzianum proved more effective than Pseudomonas fluorescens. Botanical extracts, particularly neem and garlic, also showed notable antifungal activity and helped reduce disease severity. Post-harvest treatments significantly improved storage performance, and modified atmosphere packaging (MAP) recorded the lowest weight loss and longest shelf life. The integrated treatment combining biological, botanical, and MAP approaches showed the best overall results, with minimum disease incidence, better fruit quality, and extended shelf life. The study concludes that integrated disease management offers a practical, eco-friendly, and cost-effective strategy for reducing guava fruit rot and post-harvest losses in Bihar.
Keywords Guava fruit rot, integrated disease management, Trichoderma harzianum, neem extract, modified atmosphere packaging
Field Biology > Agriculture / Botany
Published In Volume 8, Issue 3, May-June 2026
Published On 2026-06-18
DOI https://doi.org/10.36948/ijfmr.2026.v08i03.81778
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