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Experimental Result Paper | Horticulture | India | Volume 11 Issue 6, June 2022 | Popularity: 5.4 / 10

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Impact of GA3, NAA and KNO3 on Growth and Physico - Chemical Attributes of Strawberry (Fragaria X annaassa. Duch.) cv. Camarosa under Sub - Tropical Conditions of Punjab

Mahabir Singh Sandhu

Abstract: The study entitled Impact of GA3, NAA, and KNO3 on growth and physico - chemical attributes of strawberry (Fragaria X annaassa. Duch.) cv. Camarosa under sub - tropical conditions of Punjab. The present investigation was carried out at the Experimental Farm, Department of Agriculture, Sri Guru Granth Sahib World University, Fatehgarh Sahib, Punjab during the rabi season of 2020 - 2021, to find out the suitable treatment for improving the perishability and quality of strawberry fruit. The runners of strawberry cv. Chandler was planted in the second fortnight of October with a spacing of 30 x 30cm. The experiment was laid out under Randomized Block Design (RBD) with three replications. The Experiment consists of 6 treatments, Significant differences were observed among the T1 - GA3[at]45ppm, T2 - GA3[at]85ppm (gibberellic acid), T3 - NAA[at]25ppm, T4 - NAA[at]75ppm (naphthalene acetic acid), and T5 - KNO3[at]1%, T6 - KNO3[at]1.5% (potassium nitrate) were sprayed on the different stages of crop growth. . The present experiment revealed that the T4 KNO3[at]1.5% had recorded maximum crown diameter (13.62 cm), leaf area (1409.35 cm2), and total dry matter production per plant (25.11 g - 1), and root length (15.85 cm2). T2 GA3[at]85 ppm recorded. Results also showed that T2 treatment (GA3[at]85 ppm) was the remarkable treatment for physicochemical properties of TSS (8.05?Brix), total sugars (9.17%) reducing sugars (4.85%) ascorbic acid content (65.74mg/ 100g) and minimum acidity (0.58%).

Keywords: Strawberry, PGRs, KNO3, fruit quality, TSS, ascorbic acid

Edition: Volume 11 Issue 6, June 2022

Pages: 152 - 158

DOI: https://www.doi.org/10.21275/SR22530191415

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