48. Effect on yield and qualitative characteristics of strawberry (Frageria annanasa) cv. chandler to foliar application of gibberellic acid and zinc

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Aziz Ullah, Muhammad Sajid, Zakirullah, Hammad, Alamgir Khan, Zakirullah Jan, Zubair Shah


This research study was conducted to evaluate the effects of gibberellic acid and zinc on quality production of strawberry. The application of plant growth regulator and micro nutrients have a vital role in enhancing productivity and quality of strawberry fruits. This will enhance the productivity and quality of the crop on a large scale which are applied in minute quantity. Strawberry plants were sprayed with different concentrations of GA3 (0, 50, 100,150, 200 ppm) and Zinc (0, 0.2, 0.4 and 0.6%) after thirty days of transplantation. Results indicated significant variations in all the growth and quality attributes of strawberry fruit. Application of GA3 @ 200 ppm gibberellic acid increased number of leaves plant-1, plant height, number of fruits plant-1, fruit yield plant-1, leaf area plant-1 and total fruit yield. On the other hand, application of GA3 @ 200 ppm significantly increases days to flowering, days to fruit set and days to fruit maturity. Similarly, maximum plant height, number of leaves plant-1, leaf area plant-1, number of fruits per plant, fruit yield plant-1, total fruit yield, numbers of days to flowering, number of days to fruit set and number of days to fruit maturity were observed in the plants applied with 0.6% zinc as a foliar spray.  It is concluded that 200 ppm and 0.6% of GA3 could be used as foliar spray to obtain quality fruit production of strawberry under the agro climatic condition of Peshawar.

Keywords: Achene; Cell division; Chandler; Flowering; Parthenocarpy; Protein synthesis


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