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Plant Science Today (PST)

Research Articles

Vol. 12 No. 3 (2025)

Influence of bio-enhancers and bio-fertilisers on the physical, physicochemical and yield attributes of winter-season guava (Psidium guajava L.) cv. L-49

DOI
https://doi.org/10.14719/pst.7119
Submitted
7 January 2025
Published
02-07-2025 — Updated on 14-07-2025
Versions

Abstract

The study explores the impact of bio-enhancers and bio-fertilizers on the physical and physicochemical characteristics of guava (Psidium guajava L.) cv. L-49. An experiment was conducted over 2022-23 and 2023-24 at Nursery Kalyanpur, Department of Fruit Science, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur. The study evaluated different treatments, including combinations of Farm Yard Manure (FYM), organic mulch (paddy), Amritpani, Panchagavya, Jivamrit, Azotobacter and PSB culture. The study evaluated various physical (fruit diameter, weight, volume, specific gravity, pulp weight, seed weight, pulp to seed ratio and seed count per fruit) and physicochemical attributes (ascorbic acid content, total soluble solids (TSS), titratable acidity, reducing sugar and non-reducing sugar). Yield per ha was also assessed. The results demonstrated significant improvements in the physical attributes of guava with the T9 treatment (FYM, organic mulch, Panchagavya, PSB culture and Azotobacter), yielding the largest fruit diameter (8.26 cm), highest fruit weight (146.61 g) and highest pulp weight (121.83 g). Physicochemical properties such as increased ascorbic acid (294.91 mg/100 g), TSS (13.54 %), total sugars (12.3 %) and reduced titratable acidity (0.61 %) were also improved. This study underscores the potential of integrating bio-enhancers and bio-fertilisers to enhance guava fruit quality and yield.

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