期刊
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
卷 105, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2021.103944
关键词
Prunus domestica L.; Rootstock; Sugars; Organic acids; Phenols
The study aimed to assess the chemical composition of fruits of plum cultivars under different rootstocks with resistance mechanisms to PPV. Results showed significant effects of cultivar and rootstock on sugar, organic acid, and phenolic compound levels in fruits. Rootstocks 'Wavit' and 'Weiwa' are recommended for improving fruit quality and delaying the spread of PPV.
The study was aimed at assessing chemical composition of fruits of plum cultivars 'Cacanska Lepotica' and 'Jojo' grafted on four rootstocks with different mechanisms of resistance to Plum pox virus (PPV): sensitivity, 'Wavit' and 'Weiwa' and hypersensitivity, 'Docera 6' and 'Dospina 235'. The cultivar significantly influenced on content of sugars and organic acids, with the highest values in cultivar.Jojo'. The highest content of sucrose, sorbitol and total sugars were found in.Weiwa', and all individual and total acids were higher in fruits from trees grafted on 'Wavit'. On the one hand 'Cacanska Lepotica' had a high content of malic acid, but on the other hand a low content of citric and fumaric acids, regardless of the rootstock. The most abundant phenolic compounds, phenolic acids and flavanols, were shown to be at the highest level in the combinations. 'Cacanska Lepotica'/'Docera 6' and 'Jojo '/'Wavit ', whereas less abundant phenolic compounds, flavonols and anthocyanins, were the highest in the combinations. 'Cacanska Lepotica'/'Wavit' and 'Jojo'/'Weiwa'. In order to improve nutritive fruit quality and the technology of growing, as well as to delay the spread of PPV, rootstocks.Wavit' and.Weiwa' can be recommended for further promotion in modern plum plantations.
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