Molecular Insights into the Effects of Rootstocks on Maturation of Blood Oranges

Rootstock choice has important effects on the horticultural and pathological traits of the citrus cultivars. Thus, the scion/rootstock combination can affect tree vigour, nutrition, and stress resistance; it can also have positive influences on the fruit quality traits. Although the study of rootsto...

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Vydáno v:Horticulturae Ročník 7; číslo 11; s. 468
Hlavní autoři: Lana, Giuseppe, Modica, Giulia, Las Casas, Giuseppina, Siracusa, Laura, La Malfa, Stefano, Gentile, Alessandra, Sicilia, Angelo, Distefano, Gaetano, Continella, Alberto
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.11.2021
Témata:
Accumulation
Acids
anthocyanin
Anthocyanins
Ascorbic acid
Bioactive compounds
blood
Carotenoids
Citrus
citrus fruit quality
Citrus fruits
Comparative studies
comparative study
Cultivars
Degradation
Enzymes
Food quality
fruit quality
Fruits
Gene expression
genotype
Genotypes
horticulture
Influence
Laboratories
Molecular interactions
Nutrition
Oranges
Plant breeding
Ripening
Rootstocks
scion/rootstock combination
scions
stress tolerance
Sucrose
tarocco sciré
trees
vigor
Vitamin C
Italy
ISSN:2311-7524, 2311-7524
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Shrnutí:Rootstock choice has important effects on the horticultural and pathological traits of the citrus cultivars. Thus, the scion/rootstock combination can affect tree vigour, nutrition, and stress resistance; it can also have positive influences on the fruit quality traits. Although the study of rootstock effects has been a relevant research topic in citrus for many years, the main body of such study has been conducted at the biochemical level, while little effort has been directed to the determination of the rootstock influences at the molecular level. A comparative study of three combinations of scion and rootstock shows a positive correlation between the regulation of the fruit quality-related genes and the accumulations of bioactive compounds, as well as with acid degradation. Monitoring the anthocyanin accumulation during ripening shows the scion/rootstock combination can increase anthocyanin synthesis in the fruit, as well as vitamin C accumulation and acid degradation. Our results show that the rootstock genotype can exert important influences on citrus fruit quality by affecting gene expression in the scion. New insights into the molecular interactions between scion and rootstock may help unravel the systems through which rootstocks exert their influences on the regulatory networks in the scion, so as to influence relevant agronomic traits. This information should result in an improved rootstock breeding selection and definition of scion/rootstock combinations to enhance fruit quality traits.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:2311-7524
2311-7524
DOI:10.3390/horticulturae7110468