Effects of classical and organomineral fertilizer applications on pollen quality and quantity in gemlik olive cultivar

Year 2024, , 650 - 655, 29.09.2024

Şenay Karabıyık , Olcay Çelik , Mehmet Ali Saridas , Sevgi Paydaş

https://doi.org/10.31015/jaefs.2024.3.18

Abstract

Olive is one of the important plants worldwide in terms of economic and cultural conditions. It is used in fresh consumption, olive oil, cosmetic and pharmaceutic fields and unique numinous plants. Olive can maintain its life for many years even in barren conditions but for an economic cultivation, fertile and preferred cultivars should be used in orchards and optimum maintenance conditions should be provided. At the same time the climate change is also convert the usual behavior of the plants. This study aims to determine the effects of classic and organomineral fertilizers on pollen quality and quantity parameters. In this study, classical fertilizers like Urea+MgSO4 and KNO3+H3BO3+ZnSO4 with Raykat Start, Raykat Growth and Fitomare organomineral fertilizers were sprayed foliarly before flowering on Gemlik olive cultivar and pollen studies were conducted on the flowers formed at full flowering. Within the study, effects of the treatments were evaluated on pollen viability and germination levels, the amount of pollen produced in one flower and the normally developed pollen ratio. As a result of this study, fertilization treatments positively affected pollen quality and quantity with regard to control treatment. In this context, the pollen viability level differed between 74.15% and 89.92%, the pollen germination level between 45.48% and 70.35% and pollen per flower was between 307.238 and 446.761. The lowest data were obtained from control treatments, while the highest were from Raykat group fertilizers. Especially, the 54% increase in pollen germination level with Raykat growth fertilization was one of the most important results of this study. In conclusion, it was determined that the foliar spray of organomineral fertilizers enhanced the pollen properties. Raykat Start, Raykat Growth and Fitomare organomineral fertilizers used in this study significantly increased pollen quality and quantity.

Keywords

Olea europea, Fertilization, Pollen, Climate change, Fruit set

Supporting Institution

Coordination Unit of the Scientific Research Projects of the Çukurova University via the project FYL-2019-12430

Project Number

FYL-2019-12430

Thanks

This work was financially supported by the Coordination Unit of the Scientific Research Projects of the Çukurova University via the project FYL-2019-12430. We would also like to thank our farmer Mehmet Yavşan, who allowed the experiment to be established on his own land, and the company Atlantica Agricola, which provided the organomineral fertilizers in the experiment.

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