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     2026:7/1

Journal of Agricultural Digitalization Research

ISSN: 3051-3421 (Print) | 3051-343X (Online) | Impact Factor: 8.52 | Open Access

Influence of Gibberellic Acid (GA₃) Concentrations on Seedling Growth of Two Pomegranate Cultivars (Punica granatum L.)

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Abstract

The study was conducted during the growing season 2025 on seedlings of two varieties of Halabja pomegranate and a Wonderful American variety in greenhouses belonging to the nursery of the Agricultural Technical College / Northern Technical University / Mosul. To find out the effect of spraying with gibberellic acid GA3 for two varieties of pomegranate Halabja and American (Wonderful) in a number of qualities of vegetative growth of seedlings. Three levels of gibberellic acid (zero, 100, 200) mg.L-1 GA3 were used in the study two varieties of Halabja pomegranate and a Wonderful American variety . The results showed that the spraying treatment with gibberellic acid at a level of 200 ppm, which gave the highest averages for the height of seedlings, the diameter of the main stem, the number of branches and the number of leaves. The Variety had a clear impact on most of the studied traits, as the Halabja variety recorded a moral superiority in most of the studied traits over the American variety, including the diameter of the main stem and the number of leaves, as for other studied traits, the Halabja variety recorded a non-moral increase over the American variety, especially in the height of seedlings and the number of branches. The overlap between the studied factors (spraying levels with gibberellin and the two varieties of the study) caused a clear effect on the studied qualities, as the treatment (spraying with gibberellin at a concentration of 200 ppm and for the Halabja variety) gave the highest averages for the height of seedlings, the diameter of the main stem, the number of branches and the number of leaves for seedlings.

How to Cite This Article

Mustafa Natheer Mustafa, Ahmed T Al-Abbasi (2025). Influence of Gibberellic Acid (GA₃) Concentrations on Seedling Growth of Two Pomegranate Cultivars (Punica granatum L.) . Journal of Agricultural Digitalization Research (JADR), 6(2), 01-05. DOI: https://doi.org/10.54660/JADR.2025.6.2.01-05

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