Effect Gibberellic acid, Foliar Nutrition on Growth and Flowering of Two Cultivars of Gerbera Jamesonii Plant | ||
| Kirkuk University Journal For Agricultural Sciences | ||
| Article 6, Volume 10, Issue 4, Autumn 2019, Page 52-59 PDF (507 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.58928/ku19.10406 | ||
| Authors | ||
| A. T. M. Al-Chalabi* ; A. O. Al-Atrakchi | ||
| Mosul University - College of Agriculture and Forestry | ||
| Abstract | ||
| This experiment was conducted in plastic house of College of Agric. and Forestry Farm, at the period from November 2012 to October 2013, to study the response of two cultivars of Gerbera plants Gerbera jamesonii Bolus. ex Hook. i.e: Dameblanche (white flower) and Arrow (red flower), to treatment with gibberellic acid GA3 at: 0, 100 and 200 mg.l-1 by spraying on vegetative growth to wetting, and fertilized with commercial fertilizer AlminaFORTE contain a mixture of macro and micronutrient at three concentrations: 0, 1 and 2 g.l-1 by spraying on vegetative growth monthly. The factorial experiment conducted by using Split-Split Plot with in Randomized Complete Block Design with three block and 15 plants for treatment. The results showed after 4 month from planting: The Arrow plants gave the largest values of the longest period from inflorescence bud initiation to full opening and inflorescence stalk length. On the other hand, GA3 at 200 mg.l-1 gave a significant values of leaves number 12.80 leaf.plant-1, inflorescence diameter, leaves area, dry weight of inflorescence and stalk. In general, Arrow and Dameblanche plants gave a significant results when treated with GA3 at 200 mg.l-1 interact with chemical fertilizer at 1 and 2 g.l-1 of leaves area, inflorescence diameter, dry weight of inflorescence and stalk, inflorescence stalk length and vase life. | ||
| Keywords | ||
| Gerbera; Cut flowers; Gibberellic acid; Foliar Nutrition | ||
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