Articles by Ali Kemal Ayan (3)

In vitro Multiplication of Hypericum heterophyllum, an Endemic Turkish species

Ali Kemal Ayan and Cuneyt Cirak

American Journal of Plant Physiology 1 ( 1 ): 76 - 81 , 2006

Hypericin in Some Hypericum Species from Turkey

Ali Kemal Ayan, Cuneyt Cirak, Kudret Kevseroglu and Tevfik Ozen

Asian Journal of Plant Sciences 3 ( 2 ): 200 - 202 , 2004

Germination Rate of St. John`s Worth (Hypericum perforatum L.) Seeds Exposed to Different Light Intensities and Illumination Periods

Cuneyt Cirak, Ali Kemal Ayan, Kudret Kevseroglu and Omer Caliskan

Journal of Biological Sciences 4 ( 3 ): 279 - 282 , 2004

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