Microphenophases on Some Junebearing Strawberry Varieties in Region of Skopje

1 Institute of Agriculture, Department for Fruit Growing and Seed Quality Control, 1000 Skopje, Republic of Macedonia
2 University of Novi Sad, Department of Field and Vegetable Crops, Faculty of Agriculture, 21000 Novi Sad, Serbia


SELAMOVSKA, A., S. KRATOVALIEVA, S. PETROVIC and M. DIMITRIJEVIC, 2013. Microphenophases on some junebearing strawberry varieties in region of Skopje. Bulg. J. Agric. Sci., 19: 709-713


This paper gives an overview of the results from the microfenophases on junebearing strawberry varieties: Pocahontas, Evita, Marmalade, Belrubi, and Elsant in Skopje region, Republic of Macedonia. The beginning of the flower bud differentiation among the studied strawberry varieties is, on average, during the first half of August when the day lasts for 13.5-14 hours. The calyx is formed during the second half of September, stamens during the first half of October, and the pistils during the second half of October. Archesporial tissue and meiosis are formed in November. The microspores are formed in December. Pocahontas variety has earliest flower bud initiation (FBI), followed by Evita, Marmalade and Belrubi. Elsanta variety has the latest FBI. The higher temperatures and a photoperiod (duration of sunshine) have positive influence on early FBI.

Key words: strawberry, differentiation, flower buds, microphenophases

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