Journals / Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi / 2017 / Cilt: 7 - Sayı: 2

Brassicaceae Familyasından Beş Türde Dormansi ve Çimlenme Gereksinimleri

Dormancy and Germination Requirements of Five Species From Brassicaceae

Pages
21–29
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Our results suggest that these five Brassicaceae species, three of them are endemic, have different germination requirements to escape unfavorable habitat conditions

📌 3 Key Takeaways

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Objective & Hypothesis:The germination requirements of five plant species from Brassicaceae; Thlaspi papillosum Boiss. & Huet, Thlaspi lilacinum Boiss., Draba brunifolia ssp. olympica Sibth. ex DC., Aubrieta olympica Boiss., Iberis spruneri Jord., from alpine site on Uludağ Mountain, Turkey, were investigated.
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Key Findings & Data:The effects of moist chilling (+4 °C) for 15 and 30 days, and gibberellic acid (GA; 250, 500 and 1000 ppm), and combined GAand moist chilling treatments were studied under darkness (20°C) and light (20/10 °C; 12/12 h, light/dark).
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Conclusion & Impact:Our results suggest that these five Brassicaceae species, three of them are endemic, have different germination requirements to escape unfavorable habitat conditions
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The germination requirements of five plant species from Brassicaceae; Thlaspi papillosum Boiss. & Huet, Thlaspi lilacinum Boiss., Draba brunifolia ssp. olympica Sibth. ex DC., Aubrieta olympica Boiss., Iberis spruneri Jord., from alpine site on Uludağ Mountain, Turkey, were investigated. The effects of moist chilling (+4 °C) for 15 and 30 days, and gibberellic acid (GA; 250, 500 and 1000 ppm), and combined GAand moist chilling treatments were studied under darkness (20°C) and light (20/10 °C; 12/12 h, light/dark). T.papillosum seeds were found as non dormant, but the other four Brassicaceae seeds were found to have physiological dormancy which can be broken by moist chilling and GA combinations. T. lilacinum and D. bruniifolia seeds, were resulted highest germination percentage at 1000 ppm GA at darkness with 30 days of moist chilling and GA combinations. A. olympica seeds germinated best at 15 days moist chilling and GA combinations at darkness. I. spruneri seed germination increased at 15 days moist chilling and GA combinations at both darkness and photoperiod conditions. Interactions among moist chilling and GA were significant in I. spruneri and A. olympica seeds, but significant only at darkness in T. lilacinum, and non-significant in D. bruniifolia seeds. Thus, prolonged moist chilling of seeds combined by GAunder photoperiod conditions required to change the dormant status in these species. Our results suggest that these five Brassicaceae species, three of them are endemic, have different germination requirements to escape unfavorable habitat conditions

Özet

Bu çalışmada Uludağ alpin bölgede yetişen Brassicaceae familyasına ait Thlaspi papillosum Boiss. & Huet, Thlaspi lilacinum Boiss., Draba brunifolia ssp. olympica Sibth. ex DC., Aubrieta olympica Boiss., Iberis spruneri Jord. türlerinin çimlenme gereksinimleri araştırıldı. Karanlık (20°C) ve fotoperiyot (20/10 °C; 12/12 h, ışık/karanlık) koşullarında, nemli soğuklama (15 ve 30 gün, +4 °C) ve gibberellik asit (GA; 250, 500 and 1000 ppm) ile nemli soğuklama ve GA kombinasyonlarının etkileri araştırıldı. T.papillosum tohumlarının dormant olmadığı fakat diğer dört Brassicaceae türünün tohumlarının nemli soğuklama ve GAkombinasyonları ile kırılabilen fizyolojik dormansiye sahip oldukları tespit edildi. T. lilacinum ve D. bruniifolia türlerinde en yüksek çimlenme başarısı karanlıkta ve 30 gün nemli soğuklama ile 1000 ppm GAkombinasyonlarında bulundu. A. olympica tohumları en yüksek karanlıkta ve 15 gün gün nemli soğuklama ile GAkombinasyonlarında çimlendi. I. spruneri çimlenmesi karanlık ve fotoperitotta 15 gün gün nemli soğuklama ile GAkombinasyonlarında arttı. I. spruneri ve A. olympica türlerinde nemli soğuklama ve GAinteraksiyonu anlamlı, T. lilacinum türünde sadece karanlıkta anlamlı ve D. bruniifolia türünde ise anlamsız bulundu. Sonuç olarak üçü endemik olan beş Brassicaceae türünde dormansinin kırılması için daha uzun süre nemli soğuklamaya veya GAkombinasyonlarına gerek duyulduğu, bu farklı çimlenme davranışlarının türlerin uygun olmayan çevre koşullarından kaçınabilmek için gerekli olduğu belirlenmiştir

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Cite This Article

KIRMIZI, S. (2022). Brassicaceae Familyasından Beş Türde Dormansi ve Çimlenme Gereksinimleri. Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi, Cilt: 7 - Sayı: 2, 21–29. https://ajindex.com/articles/538571

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