Effect of gibberellic acid on berry yield and quality attributes of grapes cv. sultanina

Grape is an important horticultural commodity for fresh and processed consumption in the form of fruit and Kishmish (dry grapes). Pakistan have excellent growing environment for different seedless and seeded varieties of grapes. There are a lot of issues of viticulture in Pakistan amongst fruit qual...

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Bibliographic Details
Published in:Pure and applied biology 2020-06, Vol.9 (2), p.1319-1324
Main Author: Anjum, Naveeda
Format: Article
Language:English
Subjects:
Acidity
Acids
Berries
Clusters
Flowers & plants
Foliar applications
Fruits
Gene expression
Gibberellic acid
Gibberellins
Grapes
Ovaries
Quality
Quality management
Seeds
Vitaceae
Viticulture
Weight
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Summary:Grape is an important horticultural commodity for fresh and processed consumption in the form of fruit and Kishmish (dry grapes). Pakistan have excellent growing environment for different seedless and seeded varieties of grapes. There are a lot of issues of viticulture in Pakistan amongst fruit quality is worth to address. The present study was carried out to observe the effect of Gibberellic acid for better fruit and quality attributes in cv. Sultanina. Gibberellic acid (GA3) is one of the most important substances for improving quality of fruit. Foliar applications were applied to access and standardize the optimum dose of GA3 100 mg/L, 200mg/L and 300mg/L doses along with control. The quality of the fruit was accessed by observing berry size (mm), 10 berry weight (g), berries per cluster and cluster weight (g), Total Soluble Solids (Brixo), titratable acidity (%). It was observed that application of GA3 significantly improved berry weight, berry size and cluster weight however numbers of berries per cluster were reduced. Similarly, Total Soluble Solids (TSS) was significantly increased with application 200 mg/L of GA3 while titratable acidity (TA) was decreased in gibberellin treatment as compared to control. The optimum dose for better physio-chemical attributes of berries is 300 mg/L of GA3.
ISSN:2304-2478
2304-2478
DOI:10.19045/bspab.2020.90137