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ŠUMARSKI LIST 1-2/2019 str. 59     <-- 59 -->        PDF

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Sažetak
Rhododendron ponticum je popularna grmolika biljka koja se vrlo često koristi u krajobraznoj arhitekturi. Zbog svojega oblika, lišća i cvjetova, kao i zbog funkcionalnih značajki, posebno je efektna kada se sadi u velikim grupama. Ova prirodna biljka raste u mnogim planinskim i šumskim područjima na različitim visinama. U ovome radu istražili smo uspjeh klijanja sjemena Rhododendron ponticum u stakleničkim uvjetima (25 ± 2 ºC, 70 ± 2% vlažnost). Sjeme smo pribavili iz tri različita lokaliteta u sjeveroistočnoj Turskoj: Zafanos (39º46’N, 40º56’E, 592 m n.v.), Maçka (39º39’N, 40º41’E, 1234 m n.v.) i Zigana (39º24’N, 40º39’E, 1744 m n.v.). Nakon klijanja određene su visine sadnica i duljina korijena. Najveća klijavost (78,91 %) utvrđena je kod sjemena sakupljenog u lokalitetu Maçka (1234 m). Razvoj sadnica pokazuje da su najveće vrijednosti visina i duljina korijena dobivene kod sadnica iz lokaliteta Zafonos (592m). Utvrđeno je da postotak klijanja nije u značajnoj korelaciji s rastom sadnica.
Ključne riječi: Rhododendron ponticum; klijavost; rast sadnica; varijabilnost provenijencije