Abstract            Volume:10  Issue-5  Year-2022         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

Morphological parameters of Arabica coffee are affected by competition for common resources. The objective of the study is to evaluate the effect of planting density and fertilizer rate on some of the morphological parameters of Arabica coffee cultivars seedlings. It was conducted at Jimma Agricultural Research Center in 2018. The experiment was conducted by using a completely randomized design with three replications. The treatments consisted of four population densities (one, two, three, and four plants per polythene tube) of cultivar-74110 and 75227, and three compound NPK fertilizer rates (control, 5 and 10g of NPK) were used. The result revealed that plant height, the absolute growth rate in terms of height, stem girth, taproot length, and leaf area was significantly (P <0.05) affected by population density, fertilizer rate, and their interaction. PH (15.11cm), AGR (0.062cm), SG (2.91mm), and LA (89.43cm²) were more enhanced at population density2, whereas maximum value of 18.40cm for TRL was obtained from population density3 in cultivar-74110. Similarly, the highest value of 17.97, 0.081 and 19.19 cm, and 116.9 cm² for PH, AGR, TRL, and LA were obtained from population density3, whereas the maximum value of 2.89cm for SG was obtained from population density1 in cultivar-75227, respectively. Therefore, the highest plant height, the absolute growth rate in terms of height, stem girth, taproot length, and leaf area were obtained from high population density which was treated by 5g of NPK fertilizer rate in both cultivars.

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