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Effect of covering layers and NPK fertilizer types on the vegetative and flowering characteristics of Rosa Damascena Mill. under protected greenhouse conditions | ||
| Mesopotamia Journal of Agriculture | ||
| Volume 51, Issue 4, December 2023, Pages 119-129 PDF (449.1 K) | ||
| Document Type: Research | ||
| DOI: 10.33899/mja.2023.144119.1285 | ||
| Authors | ||
| Abdulkhaliq A. M. T. Al-zebari1; Montaser Khairie Khessro* 2; Ali Farouq Al-Ma'athedi3 | ||
| 1Northern Technical University/ Mosul/ Iraq | ||
| 2Department of Agricultural Machines and Equipment, College of Agriculture and Forestry, University of Mosul, Mosul, Iraq | ||
| 3Department of Horticulture and Landscape Design, College of Agriculture and Forestry, University of Mosul, Mosul, Iraq | ||
| Abstract | ||
| Due to the increasing demand for ornamental plants in general and roses in particular in the world in different seasons, a study was conducted on the rose plant Rosa damascene Mill. In a private farm in the governorate of Dohuk, Iraq for the growing season 2020-2021. The main objective of the study was to test two forms of covering used in greenhouses and compare that with open field cultivation, in addition to testing two forms of fertilizer added to improve plant growth: the traditional compound fertilizer NPK (17:17:17) dissolved in irrigation water and two levels of slow-release fertilizer NPK (SRF) (20:10:10 + SO3 7.5%) in two concentrations: 5 and 10 g. The vegetative and flowering characteristics of the plant have been studied during the growing season. Using both covering with one layer and two layers of polyethylene positively affected on most of the vegetative and flowering characteristics. The use of different fertilization treatments had a positive effect in improving most of the vegetative and flowering characteristics of the plant. Moreover, the NPK fertilization treatment recorded the best results in the characteristics of the number of branches for the autumn season. Furthermore, the number of leaves and leaf area for the autumn and spring seasons, while the NPK-SRF2 fertilization treatment recorded the best results in each trait flowering period for the autumn and spring seasons. In addition, the characteristic of the number of flowers in the spring season. | ||
| Keywords | ||
| Protected farming; Covering types; NPK; Slow-release fertilizer | ||
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