Bazı Kantaron Ekstraktlarının Gerberanın Vazo Ömrü Üzerine Etkileri

Year 2020, , 425 - 432, 30.09.2020

Tuğba Kılıç , Cennet Yaman

https://doi.org/10.20289/zfdergi.645539

Cited By: 2

Abstract

Amaç: Gerbera dünyada üretimi ve
ticareti yapılan en önemli kesme çiçek türlerinden biridir. Ancak petallerde
solma ve boyun bükme nedeniyle vazo ömrü kısalmaktadır. Kesme çiçeklerde en
önemli ticari kalite kriterlerinden biri olan vazo ömrü, vazo solüsyonuna ilave
edilen koruyucu maddelerle artırılabilmektedir. İnsan sağlığına zararlı olmayan
ve çevre dostu olarak bilinen bitki ekstraktları da kesme çiçeklerde hasat
sonrası ömrü arttırmada alternatif olmaya aday maddelerdir. Bu çalışma ile bazı
kantaron türlerinden elde edilen bitki ekstraktlarının gerbera çiçeklerinin
vazo ömrü üzerine etkilerinin belirlenmesi amaçlanmıştır.

Materyal ve Metot: Çalışmada bitkisel materyal
olarak Gerbera jamesonii Bolus türüne
ait kırmızı çiçekli 'Yeliz' çeşidi; vazo solüsyonu olarak üç farklı kantaron
türüne (H. heterophyllum, H. perforatum,
H. scabrum) ait çiçeklerden elde edilmiş üç farklı dozdaki (50, 100, 150
mg/L) bitki ekstraktı ile saf su (kontrol) kullanılmıştır. Çiçeklerde; vazo
ömrü, oransal taze ağırlık, günlük ve toplam vazo solüsyon alımları incelenmiştir.

Bulgular: Kantaron ekstraktlarının gerbera
çiçeklerinin vazo ömrünü önemli derecede etkilediği belirlenmiştir. Uygulamalar
arasında en uzun vazo ömrü (14.00 gün) kontrole göre vazo ömrünü 4.00 güne
kadar uzatan 100 mg/L H. perforatum
ekstraktı içeren uygulamadan elde edilmiştir.

Sonuç: Çalışma, kantaron türlerine ait
bitki ekstraktlarının vazo ömrünü arttırmada etkili oldukları sonucuna
varılmıştır. 

Keywords

Kantaron, gerbera, vazo ömrü, kesme çiçek

The Effects of Some Hypericum Extracts on the Vase Life of Gerbera

Abstract

Objective: Gerbera is one of the most
important cut flower species produced and traded in the world. However, the
vase life is shortened due to wilting of petals and bent neck. Vase life which
is one of the most important quality criteria in cut flowers can be increased
with preservatives substances added to the vase solution. Natural plant
extracts, which are not harmful to human health and known as environmentally
friendly, are also candidates to be an alternative in increasing the
post-harvest life of cut flowers. The aim of this study was to determine the
effects of plant extracts obtained from some hypericum  species on the vase life of gerbera flowers.

Material and Methods: In the study, Gerbera jamesonii 'Yeliz' was used as a
plant material and 3 different doses (50, 100, 150 mg / L) of 3 different
centaury extracts (H. heterophyllum, H.
perforatum, H. scabrum) and distilled water (control) were used as vase
solution. Vase life, relative fresh weight, solution uptake were measured.

Results: Hypericum extracts were
significantly found effective on vase life of cut gerbera flowers. The highest
vase life (14.00 days) was recorded in 100 mg/L H. perforatum extract which increased the vase life up to 4.00 days
compared to the control.

Conclusion: The study concluded that hypericum
extracts were effective to increase the vase life.

Keywords

Hypericum, gerbera, vase life, cut flower

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