What question did this study set out to answer?

This research aims to evaluate the effects of different foliar nutrients on the quality attributes of guava varieties.

June 7, 2026

Response of foliar feeding of nutrients on quality attribute of guava (Psidium guajava)

Key Points

This research aims to evaluate the effects of different foliar nutrients on the quality attributes of guava varieties.
Conducted at K.N.K. College of Horticulture using factorial randomized block design with three replications.
Two varieties of guava were tested with nine levels of nutrients including zinc, calcium, potassium, and boron.
Key quality attributes measured included total soluble solids (TSS), sugar content, ascorbic acid, and acidity.
Chittidar variety showed maximum TSS of 11.59°Brix and non-reducing sugar of 4.39%.
Allahabad Safeda variety had the highest TSS/Acid ratio of 36.79 and maximum ascorbic acid at 156.84 mg/100 pulp.
Potassium sulphate at 2% yielded TSS of 12.60°Brix, and boron at 0.4% resulted in maximum reducing sugar of 5.74%.

Abstract

AbstractThe experiment was conducted at Department of Fruit Science. K.N.K. College of Horticulture, Mandsaur,during 2017-18,factorial randomized block design replicated three times. The treatment consisted of two factor (A) variety V1- Chittidar, V2-Allahabad Safeda and factor (B) nine levels of nutrients- No- control, N1-zinc sulphate @ 0.3%, N2- zinc sulphate @ 0.4%,N3- calcium nitrate @ 1%,N4- calcium nitrate @ 2%,N5 -potassium sulphate @ 1%,N6- potassium sulphate @ 2%,N7- boron @ 0.2%,N8- boron @ 0.4%. Among, varieties, maximum TSS (11.59°Brix) and non-reducing sugar (4.39%) were found in Chittidar (V1) and maximum, TSS/Acid ratio (36.79) , reducing sugar (5.62%) and ascorbic acid (156.84 mg/100 pulp)was recorded in Allahabad Safeda (V2) and the minimum acidity (0.32%) in Allahabad Safeda (V2). The maximum, TSS (12.60°Brix), non-reducing sugar (4.56%) and TSS/ acid ratio (43.77)were observed in N6potassium sulphate @ 2%, maximum reducing sugar (5.74%), ascorbic acid,(170.28mg/100 pulp) and total sugar (9.68%) in N8 (boron@0.4%) and minimum, acidity (0.28%) was recorded in N2 (zinc sulphate @0.4%).

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Cite This Study

Patidar et al. (Wed,) studied this question.

synapsesocial.com/papers/6a250be87def13d035e1bf72 https://doi.org/https://doi.org/10.5958/2455-7560.2025.00046.2

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