The effect of method and duration of storage on life ability of St. John's wort (Hypericum androsaemum) seed | Uticaj nacina i duzine cuvanja na zivotnu sposobnost semena kantariona [Hypericum androsaemum]
2008
Jevdjovic, R., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Maletic, R., Institut za proucavanje lekovitog bilja Dr Josif Pancic, Beograd (Serbia) | Markovic, J., Investbiro, Beograd (Serbia)
Results of eight year research (2000-2007) of the quality of St. John's wort seed relating to age of seed and type of packaging used for seed storage are presented in this paper. Seed was produced and treated additionally in 2000 prior to packaging of raw seed a sample was taken and placed on germination 4 x 100 seeds. Germination ability was considerably lower compared to seed investigated after one and several years of storage. Treated and packaged seed was stored in adequate storage in five types of packaging (wood, metal, natron, glass and jute). In subsequent years (2001-2007), samples were taken from each packaging type and placed on germination, 4 x 100 seeds. The best germination ability maintained up to 4 years (over 50%) was established in seed stored in natron packaging. After six years of storage this seed had germination ability of over 20%. The fastest diminishing of germination ability was established in seed stored in metal packaging (after 2 years it was bellow 40%, and after 4 years bellow 10%). Seed stored in wooden, glass and jute packaging maintained the germination ability up to 50% in the first three years, after which the germination ability decreased rapidly. Seed stored in metal packaging lost germination ability fully after five years of storage (0%), and seed stored in glass packaging after six years, whereas seed stored in remaining three types of packaging demonstrated certain percentage of germination even after seven years of storage (mainly seed from natron packaging 6%).
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