Determination of the effects of drought stress on Aronia melanocarpa cv. Nero in vitro conditions
2024
Ekinci, Heydem | Şaşkın, Necla | Dikmetaş, Birgül | Ak, Bekir Erol
Drought stress is a significant threat to plant cultivation in arid and semi-arid regions, negatively affecting growth and leading to plant mortality. This study evaluated the in vitro drought tolerance of Aronia melanocarpa ‘Nero’ by exposing micropropagated plantlets to nutrient media containing different concentrations of PEG-8000 (0%, 1%, and 2%) during the rooting stage. Results showed that increasing PEG concentrations led to a reduction in survival, rooting, plantlet growth, and physiological parameters. The 0% PEG treatment resulted in the highest survival rate (95.83%), root number, and chlorophyll content, while the 2% PEG treatment significantly hindered these parameters. These findings indicate that Aronia melanocarpa 'Nero' is sensitive to drought stress, with reduced growth and physiological activity under higher PEG concentrations.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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