Effects Of Some Essentıal Oil Compounds On Vase Life Of Cut Hydrangea Flowers

Öz

The usage of hydrangeas in ornamental plants and especially cut flower has been increasingly important in recent years. One of the most important problems is the short vase life due to early wilting in cut hydrangea flowers. Essential oils are safety and ecologically friendly materials and they are used as food, cosmetic and medical purpose. They are also thought to be alternative substances for increasing the vase life of cut flowers. This study was conducted to determine the effects of some essential oil compounds on the vase life of cut hydrangea flowers. Hydrangea macrophylla 'Ankong Rose' variety used as a plant material and 3 different concentrations of thymol and carvacrol (50 mg/L, 100 mg/L and 150 mg/L) with and without 10g/L sucrose as a vase solution. Vase life, relative fresh weight, solution uptake were recorded. Thymol and carvacrol were significantly found effective on vase life of cut hydrangea flowers. The highest vase life (12.14 days) was recorded in thymol (150mg/L)+sucrose which was in the same statistically group with carvacrol (150mg/L)+sucrose. Thymol (150mg/L)+sucrose increased the vase life by 41.66% compared to control (distilled water). The study indicated that thymol can be used successfully in increasing cut hydrangea flowers’ vase life.

Anahtar Kelimeler

• Carvacrol,cut flower,essential oils,hydrangea,thymol,vase life

Bazı Uçucu Yağ Bileşenlerinin Kesme Çiçek Ortancaların Vazo Ömrü Üzerine Etkileri

Öz

Dünyada ortancaların süs bitkileri ve özellikle kesme çiçek sektöründe kullanımı son yıllarda giderek yaygınlık göstermektedir. Kesme çiçek ortancalarda hasat sonrası karşılaşılan sorunların başında çiçeklerin erken solması nedeniyle vazo ömrünün kısa olması gelmektedir. Bitkisel uçucu yağlar insan sağlığı açısından güvenli ve çevre dostu maddeler olup gıda, kozmetik ve tıbbi kullanımların yanı sıra kesme çiçeklerde hasat sonrası ömrün artırılmasında alternatif olmaya aday maddelerdir. Bazı uçucu yağların kesme çiçek ortancaların vazo ömrüne etkilerini belirlemek amacıyla yürütülen çalışmada, bitkisel materyal olarak Hydrangea macrophylla Thunb. türüne ait olan pembe çiçekli 'Ankong Rose' çeşidi kullanılmıştır. Çalışmada, vazo solüsyonu olarak timol ve karvakrolün 3 farklı dozu (50 mg/L, 100 mg/L ve 150 mg/L) ile bunların 10g/L sakaroz içeren kombinasyonları kullanılmıştır. Çiçeklerde; vazo ömrü ve oransal taze ağırlığın yanı sıra günlük ve toplam vazo solüsyon alımları incelenmiş ve uçucu yağların çiçeklerin vazo ömrünü önemli derecede etkilediği belirlenmiştir. Uygulamalar arasında en uzun vazo ömrü (12.14 gün), kontrole (saf su) göre vazo ömrünü %41.66 oranında artıran timol (150 mg/L)+sakaroz uygulamasından elde edilirken, bunu 12.0 gün ile karvakrol (150 mg/L)+sakaroz uygulaması izlemiştir. Çalışma, özellikle timolün kesme çiçek ortancaların vazo ömrünü artırmada başarılı bir şekilde kullanılabileceğini ortaya koymuştur.

Anahtar Kelimeler

• Karvakrol,kesme çiçek,ortanca,timol,uçucu yağlar,vazo ömrü

Kaynakça

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