Impact of NPK and Cytokinin on Growth Characteristics and Chemical Composition of Ficus Nitida Plants

Abstract

The research was conducted in a greenhouse at the Department of Horticulture and Garden Engineering, College of Agriculture, University of Anbar, Ramadi City, to study the impact of NPK supplementation and CPPU cytokinin spraying on the vegetative and root growth characteristics of Ficus nitida L. The study encompassed two primary factors. The first factor comprises the NPK chemical fertilizer in four distinct concentrations: F0 (no addition), F1 (1g urea, 3g DAB, 2g potassium sulfate), F2 (2g urea, 6g DAB, 4g potassium sulfate), and F3 (3g urea, 9g DAB, 4g potassium sulfate). The second factor involves the cytokine CPPU at three concentrations: C0 (no addition), C1 (3 mg L^-1), and C2 (6 mg/liter). The study was designed using a randomized complete block design (RCBD) consisting of three replications, with three pots allocated to each experimental unit. Each replicate consisted of 36 treatments, meaning the experiment contained 108 experimental units in all blocks. The results indicated a significant increase in the interaction coefficients between the study factors in plant height, leaf area, nitrogen percentage in the leaf, total chlorophyll content, root surface area, and root length.. Specifically, these parameters were measured at 21.333 cm, 30.837 cm², 2.666%, 1.384 g, 55.223 cm², and 13.947 cm, respectively.