Pembe ÇÜRÜK, Tolga İZGÜ, Yeşim MENDİ YALÇIN, Jan VOS, Ep HEUVELINK

Akito gül çeşidinde sıcaklığın çiçek kalitesi üzerine etkisi

Kontrollü koşullarda gerçekleştirilen topraksız gül yetiştiriciliğinde sıcaklık en etkili faktörlerden birisidir. Bu çalışmada,Akito gül çeşidinde 17-24°C arasındaki ortalama sıcaklık değerlerinin çiçek tomurcuğunun görülme tarihi, goncanın açılma derecesi, gözlerin uyanmasından hasat zamanına kadar geçen süre, gonca yaş ve kuru ağırlığı, gonca büyüklüğü üzerine etkileri araştırılmıştır. Sıcaklığın gonca büyüklüğünde etkili olduğu ve yüksek sıcaklıkta yetişen gül goncalarının düşük sıcaklıkta yetişen gül goncalarına göre daha küçük kaldığı saptanmış ve yaş ve kuru ağırlıkları da daha düşük olarak tespit edilmiştir. Yüksek sıcaklık gelişme periyodunu kısaltırken, düşük sıcaklık tam tersi etki yapmıştır.

The effect of temperature on flower quality of rose cultivar Akito

Temperature is one of the many factors claimed to have an impact on growth cycle of soilless cultured rose under greenhouse conditions. The influence of temperature in the range of 17-24 °C on visibility of flower bud, development time of shoot, flower opening stage and fresh and dry weight of flowers on the rose cultivar Akito was studied. The study found statistically significant relationship between temperature and flower stages indicates that, higher temperature resulted in smaller flower stages. A further analysis on fresh and dry weight of flower bud at the harvesting time also revealed that high temperature resulted in low fresh and dry flower bud weights. Higher temperatures resulted in a shortening of the growth cycle, while lower temperature led to the opposite.

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