Scopus
YÖKSİS Eşleşti
Can organic acid and sugar compositions be used to predict cell death point limits? Receptacle and pistil organs of apricot (Prunus armeniaca L.)
Rendiconti Lincei · Eylül 2021
YÖKSİS Kayıtları
Can organic acid and sugar compositions be used to predict cell death point limits? Receptacle and pistil organs of apricot (Prunus armeniaca L.)
Rendiconti Lincei. Scienze Fisiche e Naturali · 2021 SCI-Expanded
PROFESÖR AHMET EŞİTKEN →
Makale Bilgileri
DergiRendiconti Lincei
Yayın TarihiEylül 2021
Cilt / Sayfa32 · 493-509
Scopus ID2-s2.0-85108186587
Özet
To boost our understanding of recent frost damage events in apricot trees, we focused on estimating the cell death point in the receptacle and pistil organs of apricots by simulating the unexpected temperature changes occurring in early spring under laboratory-based freezing experiments. The hypothesis also that organic acids (oxalic, propionic, tartaric, butyric, malonic, malic, lactic, citric, maleic, fumaric and succinic acids) and soluble sugar compositions (glucose, fructose, sucrose and total sugar) may directly stimulate the change of the frost tolerance in apricot receptacle and pistil organs was investigated using two apricot (Prunus armeniaca L.) cultivars, one tolerant to frost (‘Iğdır Şalak’) and the other sensitive to frost (‘Mihralibey’). Our results indicated that the mean the cell death point (CDP) of flower pistil (from −13.26 to −14.18 °C) was at lower temperatures than those of flower receptacle (from −6.28 to −8.65 °C) in both apricot cultivars during the full blooming stage. In both apricot cultivars, receptacle organs showed more sensitive changes to the frost tolerance in response to low temperatures compared with pistil organs. In terms of organic acid and soluble sugar contents, significant differences were determined for both apricot cultivars and between the pistil and the receptacle organs of the flowers. Organic acid content was higher in the freezing-tolerant apricot cultivar (‘Iğdır Şalak’) than the freezing-sensitive apricot cultivar (‘Mihralibey’), but it was lower in the freezing-tolerant organ (pistil) in comparison with the freezing-sensitive organ (receptacle). Moreover, fructose concentrations for both ‘Mihralibey’ and ‘Iğdır Şalak’ were significantly higher in the receptacle compared to the pistil. A significant negative correlation was also observed between the mean CDP values and both all organic acids and sucrose contents in the pistil and the receptacle organs for both apricot cultivars. There was a positive relationship between the CDP values and fructose content in ‘Iğdır Şalak’. Additionally, there was a negative correlation between the CDP values and sucrose in 'Mihralibey'. Overall, the data presented suggest that the high level of sucrose and organic acid content of receptacle and pistil organs contributes to support frost tolerance of organs. The results of this study could help in the understanding of how receptacle and pistil organs of two different apricot cultivars react to frost stress, and how they modulate their soluble sugar and organic acid metabolism. Graphic abstract: [Figure not available: see fulltext.].
Yazarlar (5)
1
Ozkan Kaya
ORCID: 0000-0002-1679-6125
2
Cafer Kose
3
Ahmet Eşitken
4
Metin Turan
ORCID: 0000-0002-4849-7680
5
Ozlem Utku
Anahtar Kelimeler
Apricot
Cell death point
Organic acid
Pistil
Receptacle
Soluble sugar
Kurumlar
Atatürk Horticultural Central Research Institute
Yalova Turkey
Atatürk Üniversitesi
Erzurum Turkey
Erzincan Horticultural Research Institute
Erzincan Turkey
Selçuk Üniversitesi
Selçuklu Turkey
Yeditepe University
Istanbul Turkey
Metrikler
7
Atıf
5
Yazar
6
Anahtar Kelime