inhibiting effects of scots pine (Pinus sylvestris) on germination
ability and growth of some culture ryegrass species
Aklıbaşında1, E.A. K?lek?i2, M. Demir2*
and Y. Bulut2
Landscape Architecture, Nevsehir Haci Bektas Veli University, Nevsehir-50300,?
Landscape Architecture, Ataturk University, Erzurum-25240, Turkey
Author E-mail: email@example.com
Paper received :
23.05.2016?????????????????? Revised received : 29.05.2017???????????? ?????????Accepted
present in some plants exert inhibitory effects on growth and development of
other plants. This study was carried out due to the observation of weak
development in the ryegrass under Scots Pine to explore whether
allelochemicals contained by the leaves of Scots Pine (Pinus sylvestris
sp.) plant had an inhibitory effect on germination ability and development of
Lolium multiflorum 'Casamba', Agrostis tenuis 'Highland' and Festuca
arundinacea 'Apache' ?culture forms among ryegrass plants.
collected from dried Scots pine (Pinus sylvestris sp.) leaves were
applied to specified grass seeds at different test concentrations (10, 20,
30, 40 and 50 g l-1). Control group was incubated with distilled
water, while treatment groups were incubated with 4 ml of prepared extracts.
indicated that these extracts had inhibitory effects on germination and
growth in grass plants depending on the seed type and applied concentrations.
Among these analyzed three species, the highest allelopathic (inhibitory)
effect dependent to concentrations was observed in A. tenuis, while
the lowest allelopathic effect was observed in L. multiflorum species.
effect should be considered when ryegrass is planted under the pine trees to
prevent economic losses.
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