Yüksek Sıcaklık Stresi Koşullarında Karpuzda Termopriming Uygulamasının Etkinliğinin Belirlenmesi

Year 2023, Volume: 3 Issue: 2, 213 - 221, 31.12.2023

Ömer Faruk Coşkun , Cem Özyurt , Seher Toprak , Kübra Özmen , Kazım Mavi

Abstract

Karpuzun (Citrullus lanatus L.) dünya çapındaki ekonomik önemi nedeniyle, bazı stres türlerine karşı toleransını artırmak için yeni stratejiler geliştirme çabaları artmıştır. Yüksek sıcaklık koşullarında karpuz tohumlarında çimlenme ve çıkış sürelerinde önemli azalmalar meydana gelebilmektedir. Bu çalışmada dünyada en çok yetiştirilen sebzelerden biri olan karpuzda günümüzün en büyük sorunlarından biri olan sıcaklık artışı stresine çözüm olarak tohum ön işlemlerinin etkinliği araştırılmıştır. Yüksek sıcaklık koşullarında (45 0C) bazı çimlenme ve çıkış değerleri kontrol sıcaklık grubuna (25 0C) göre olumsuz etkilenmiştir. Kontrol sıcaklığı ve/veya yüksek sıcaklık koşullarında karpuz tohumlarında termopriming uygulaması bazı parametreler açısından olumlu etki göstermiştir. Termopriming uygulanan tohumlarda yüksek sıcaklık koşullarında ortalama çıkış gün sayısı 10,0'a kadar düşebilmektedir. Bu çalışmada karpuzda yüksek sıcaklık koşullarında termopriming tohum ön uygulamasının bazı çimlenme ve çıkış özellikleri açısından avantajlar sağlayabileceği sonucuna varılmıştır.

Keywords

Karpuz, Termopriming, Abiotik stres

Supporting Institution

TUBITAK

Thanks

This study was supported by TUBITAK (2209-A)

Determination of the Efficiency of the Thermopriming Treatment in Watermelon in High Temperature Stress Conditions

Abstract

Due to the worldwide economic importance of watermelon (Citrullus lanatus L.), efforts to develop new strategies have increased to increase its tolerance to some types of stress. Significant reductions in germination and emergence times can occur in watermelon seeds under high temperature conditions. In this study, the effectiveness of seed pre-treatments as a solution to temperature increase stress, which is one of the biggest problems of today, was researched in watermelon, which is one of the most grown vegetables in the world. Under high temperature conditions (45 0C), some germination and emergence values were adversely affected compared to the control temperature group (25 0C). Thermopriming treatment showed a positive effect in terms of some parameters in watermelon seeds under control temperature and/or high temperature conditions. On the other hand, in thermopriming seeds, the average number of emergence days could decrease up to 10.0 under high temperature conditions. In this study, it was concluded that thermopriming seed pre-treatment in watermelon under high temperature conditions can provide advantages in terms of some germination and emergence characteristics.

Keywords

Watermelon, Thermopriming, Abiotic stress

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