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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Sep 2017, 38 (5)                                                                                                             Back



nstantaneous and historical temperature effects on a-pinene

The inhibiting effects of scots pine (Pinus sylvestris) on germination ability and growth of some culture ryegrass species

 

M. Aklıbaşında1, E.A. K?lek?i2, M. Demir2* and Y. Bulut2

1Department of Landscape Architecture, Nevsehir Haci Bektas Veli University, Nevsehir-50300,? Turkey

2Department of Landscape Architecture, Ataturk University, Erzurum-25240, Turkey

*Corresponding Author E-mail: metin@atauni.edu.tr

 

 

 

Key words

Allelopathy,

Grass plant,

Root,

Scots Pine 

 

 

 

Publication Data

Paper received : 23.05.2016?????????????????? Revised received : 29.05.2017???????????? ?????????Accepted : 28.06.2017

 

Abstract

Aim: Allelochemicals 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.

 

Methodology: Extracts 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.

 

Results: Findings 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.

 

Interpretation: Allopathic effect should be considered when ryegrass is planted under the pine trees to prevent economic losses. 

 

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