Argan (Argania spinosa (L.) Skeels) Seed Germination Under Some Pretreatments of Thermal Shocks

Year 2022, Volume: 22 Issue: 1, 56 - 67, 31.03.2022

Ouswati Saıd Alı Abdouroihamane Hachemı Aicha Moumnı Hamza Zıne Sara Elgadı Tarik Belghazı Ahmed Ouhammou Abderrahman Lahrounı Said El Messoussı

https://doi.org/10.17475/kastorman.1095893

Abstract

Aim of study: The objective of this study was to optimize the germination of A. spinosa seeds after different physical pretreatments by thermal shock to establish a simple, effective, and less expensive procedure.
Area of study: The study was conducted in the laboratory on seeds from four regions of Morocco (Aoulouz, Essaouira, Sidi Bou Othmane, and Boulaouane).
Material and methods: The seeds were dried and stored. Before the launching of the experimental protocol, they were dehulled and applied each their pre-treatment for the four provenances. The pre-treatment used are the following. C: control without thermal shock, HC1: freezing, HC2: hot water, HC3: freezing + hot water.
Main results: The results showed that the onset of germination of argan seeds subjected to pretreatment HC3 was reduced by 2 days on mean compared to seeds that were subjected to pretreatment (C). The application of the cold or hot pretreatment allowed us to reach up to 82% of the final percentage of germination. However, the combination of two pretreatments allowed us to reach up to 100% of the final germination percentage.
Highlights: Freezing combined with hot water significantly improved the germination of A. spinosa seeds. This pretreatment could be recommended in the nursery for practitioners

Keywords

Argania spinosa, Seed’s Germination, Thermal Shock

Argan (Argania spinosa (L.) Skeels) Bazı Termal Şok Ön İşlemleri Altında Tohum Çimlenmesi

Abstract

Çalışmanın amacı: Bu çalışmanın amacı, basit, etkili ve daha ucuz bir prosedür oluşturmak için ısı şoku ile farklı fiziksel ön işlemlerden sonra A. spinosa tohumlarının çimlenmesini optimize etmektir.
Çalışma alanı: Çalışma Fas'ın dört bölgesinden (Aoulouz, Essaouira, Sidi Bou Othmane ve Boulaouane) tohumlar üzerinde laboratuvarda yürütülmüştür.
Materyal ve yöntem: Tohumlar kurutuldu ve saklandı. Deney protokolünün başlatılmasından önce, kabukları çıkarıldı ve dört orijin için her birine ön muamele uygulandı. Kullanılan ön işlem aşağıdaki gibidir. C termal şok olmadan kontrol, HC1: donma, HC2: sıcak su, HC3: donma + sıcak su.
Temel sonuçlar: Sonuçlar, HC3 ön işlemine tabi tutulan argan tohumlarının çimlenme başlangıcının, ön işleme (C) tabi tutulan tohumlara kıyasla ortalama 2 gün azaldığını gösterdi. Soğuk veya sıcak ön işlemin uygulanması, nihai çimlenme yüzdesinin %82'sine kadar ulaşmamızı sağladı. Bununla birlikte, iki ön işlemin kombinasyonu, nihai çimlenme yüzdesinin %100'üne kadar ulaşmamızı sağladı.
Araştırma vurguları: Sıcak su ile birlikte yapılan dondurma işlemi, A. spinosa tohumlarının çimlenmesini önemli ölçüde iyileştirmiştir. Bu ön tedavi, fidanlikta uygulayıcılar için önerilebilir

Keywords

Argania spinosa, Tohum Çimlenmesi, Termal Şok

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