title: DETERMINING THE FACTORS AFFECTING REPRODUCTION OF AN ENDEMIC BLACK PINE VARIETY [PINUS NIGRA SUBSP. PALLASIANA VAR. YALTIRIKIANA] IN TURKEY
abstract: Pinus nigra subsp. pallasiana var. yaltirikiana has a very restricted spread, and is an endemic black pine variety in Turkey. This plant has a poor generative reproduction performance. It is unclear which factors are responsible for this low reproduction capacity. Therefore, objective of this study was to investigate pollen and seed characteristics of the plant. For this purpose, pollen samples were collected in the pollination period, and seed samples were collected in the cone ripening period 
journal: Applied Ecology and Environmental Research