Sıcaklığın Consolida orientalis, Isatis tinctoria ve Silene armeria doğal populasyonlarının çimlenm özelliklerine etkisi

Bu çalışmada Consolida orientalis l(Gay) Scliröd.], Isatis tinctoria (L.) ve Silene armeria (L.) doğal populasyonlannın tohumlarında çimlenme sıcaklığının (5,10, 15, 20, İS Ve 30°C) çimlenme oram, çimlenme enerjisi, ortalama çimlenme süresi, kök ve sürgün uzunluğuna etkisi araştırılmış, /. tinctoria ve S* armeria tohumlarına 18, C. orientalis tohumlarına ise 42 günlük çimlenme testleri uygulanmıştır. C örientâiis'te 20, 25 ve 30°C'de S. armeria'dü ise 5°C'de çimlenme gözlenmemiştir. Uygun sıcaklıklarda çimlenme /. tinctoria ve S. armeria'da 3. günde C. orientalist 14.günde başlamış, S. Armeria ile/, tinctoria'da 6. günde, C. orientalis'tt ise35. günde maksimum deflerine ulaşmıştır. En yüksek çimlenme oranı C. orientalis'tz 10°C (%20), /. tinctoria'da X5°C (%95.3), S. armeria'da ise 20°C (%95.6) çimlenme sıcaklığında saptanmıştır.

Effect of temperature on Germanination Characteristics of Consolida orientalis, Isatis tinctoria and Silene armeria native populations

In this study, effects of germination temperatures (5,10, 15, 20, 25 and 30°C) on germination percentage, germination energy, mean germination time, root and stem length in Consolida orientalis [(Gay) Schröd.], Isatis tinctoria (L.) and Silene armeria (L.) native populations were investigated. The germination tests were lasted in /. tinctoria and & armeria seeds for 18 days and C. orientalis seeds for 42 days. Results indicated that no germination was observed in C. orientalis at 20, 25 and 30°C and S. armeria at 5°C^germination temperatures. Germination started in /. tinctoria and & armeria on 3rd day and C. orientalis on 14th day of testing periods and germination percentages reached their maximum values in 5. Armeria and 7. tinctoria: seeds within 6 and C orientalis seeds within 35 days after sowing. The highest germination percentages were recorded for C. orientalis at 10°C (20.0%), I. tinctoria at 15°C (95.3%) and S. ^atm&ria at 20°O(95.6%) germination temperatures.

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