EFFECT OF SOIL NPK FERTILIZER AND AMINO ACIDS ON GROWTH, LEAVES MINERALS AND TOTAL PHENOLIC CONTENT OF APPLE TRANSPLANTS CV. IBRAHIMI
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The research was carried out on two years of "Ibrahimi" apple cultivar, in Al-Karma - Fallujah. The research aims to increase and improve vegetative growth of transplants through soil application of NPK fertilizer 20:20:20 with three levels of 0, 20g, and 50g, as N0 and N1, N2 respectively, and the second factor included two amino acids concentrations 5ml L-1 and 10ml L-1 As A1 and A2 respectively. There were 36 transplants total since the factorial experiment was conducted using a randomized complete block design (RCBD) with three replications and two transplants per experimental unit. results showed that NPK fertilizer had a significant effect on plant height (178.70 cm. seedling), number of branches (21.67 seedling branches), number of leaves (404 seedling leaves), and leaf content of N, K, P (0.190, 0.122, 0.393%) and chlorophyll (34.00 mg). 100 gm fresh weight. As for the amino acid treatment, the A2 treatment gave the highest rate of plant height (173.1 cm seedling), number of branches (20.33 seedling branches), number of leaves (341 seedling leaves), and leaf content of N, P, and K (0.168, 0.116, 0.378%, chlorophyll (30.00 mg. 100 g fresh weight), and total phenols (1.902 mg g dry weight). As for the A2N2 intervention treatment, it gave the highest rates for the measured traits.
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Copyright (c) 2024 Ashwaq Wadi Majeed, Qusay Tarek Salim (Author)
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