Change of Chlorophyll Content Depending on Different Pretreatment and Elevation in Oriental Hornbeam (Carpinus orientalis Mill.) Seedlings

Öz

In this study, it was aimed to determine the changes in the chlorophyll content of the leaves of the Carpinus orientelis seedlings, which grown from seeds that some pre-treatments are applied before sowing and are obtained from different elevations, depending on the elevation and pretreatment. The amount of chlorophyll in the plant can show very sensitive responses to various environmental factors, especially site conditions and plant species. Within the scope of the study, it was used 1+0 year old seedlings, which grown from seeds that twelve pre-treatments were applied before sowing and were obtained from three elevations (0-400 m, 400-800 m, 800-1,200 m). Chlorophyll values of seedlings were measured with portable chlorophyll meter (Minolta SPAD-502, Osaka, Japan). As a result of the study, the significant differences was found between chlorophyll content depending on the pretreatments, while it was found that there was no significant difference between chlorophyll values depending on the altitude. The chlorophyll values of the seedlings grown from the seeds treated with citric acid is higher in general.

Anahtar Kelimeler

• Chlorophyll
• Minolta
• Leaf
• SPAD

Doğu Gürgeni (Carpinus Orientalis Mill.) Fidanlarında Farklı Önişlem ve Yükseltiye Bağlı Olarak Klorofil İçeriğinin Değişimi

Öz

Bu çalışmada farklı yükseltilerden elde edilen ve ekim öncesi bazı önişlemlerin uygulandığı tohumlardan yetiştirilen Carpinus orientalis Mill fidanlarına ait yapraklarda, yükselti ve önişlemlere bağlı olarak klorofil içeriklerindeki değişimlerin ortaya konulması amaçlanmıştır. Bitkilerdeki klorofil miktarı yetişme yeri koşulları ve bitki türü başta olmak üzere çeşitli çevresel faktörlere karşı oldukça hassas tepkiler gösterebilmektedir. Çalışma kapsamında Carpinus orientelis’in doğal yayılış alanı içerisindeki Trabzon-Maçka havzasının üç farklı yükseltisinden (0-400 m, 400-800 m, 800-1.200 m) toplanan ve 12 farklı ön işleme tabi tutularak ekimi gerçekleştirilen doğu gürgeni tohumlarından yetiştirilmiş 1+0 yaşındaki fidanlar kullanılmıştır. Fidanların klorofil içeriği taşınabilir klorofil ölçer (Minolta SPAD-502, Osaka, Japonya) ile ölçülmüştür. Çalışma sonucunda önişlemlerin klorofil değerleri üzerinde istatistiksel olarak anlamlı (p<0,01) bir etkiye sahip olduğu tespit edilmiştir. Yükseltiye bağlı olarak ise klorofil değerleri arasında anlamlı farklılık olmadığı belirlenmiştir. Yapılan ölçümler sonucunda genel itibariyle sitrik asit ile muamele edilen tohumlardan yetişen fidanların klorofil miktarlarının daha fazla olduğu ortaya koyulmuştur.

Anahtar Kelimeler

• Klorofil
• Minolta
• Yaprak
• SPAD

Kaynakça

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