Władysław Chałupka, Roman Rożkowski
Effect of polluted environment on the female and male strobili bearing of European Scots pine provenancesDendrobiology 2000, vol. 45: 17-21 Full text (pdf)
Abstract:Studies on female and male strobili production as well as on pollen production and viability were performed at a polluted (Luboń) and a control (Kórnik) sites. Female strobili bearing per tree and total length of male strobili produced per tree were significantly higher in Luboń than in Kórnik and the stand density and tree crown exposition to sunlight were likely responsible for that result. Percentage of pollen germination was not affected by any variables studied. Neither provenance nor provenance x site interactions were found.
Additional key words: Pinus sylvestris, female cone, male flowers, pollen, provenances