Genetic Characterization of Gardenia jasminoides Ellis Genotypes Derived from Seeds and Selection Based on Their Morphological Traits and Flower Aromatic Substances

Vasiliki Anastasiadi, Stefanos Hatzilazarou, Emmanouil-Nikolaos Papadakis, Aikaterini-Angeliki Kotoula, Nikolaos Tsalouchos, Taxiarchis Labis, Athanasios Economou and Stefanos Kostas ()
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Vasiliki Anastasiadi: Laboratory of Floriculture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece
Stefanos Hatzilazarou: Laboratory of Floriculture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece
Emmanouil-Nikolaos Papadakis: Pesticide Science Laboratory, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece
Aikaterini-Angeliki Kotoula: Laboratory of Floriculture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece
Nikolaos Tsalouchos: N. Tsalouchos Nurseries, 37300 Volos, Greece
Taxiarchis Labis: Labis Bros. Nurseries, 37300 Volos, Greece
Athanasios Economou: Laboratory of Floriculture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece
Stefanos Kostas: Laboratory of Floriculture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece

Agriculture, 2024, vol. 14, issue 5, 1-18

Abstract: Gardenia jasminoides Ellis is an evergreen shrub with white fragrant flowers, and it is cultivated for its ornamental, aromatic and medicinal value. The present study aimed to select desirable genotypes for potential commercial exploitation as pot plants or use in perfumery. Thus, 32 genotypes of G. jasminoides plants derived from seedlings, whose seeds were obtained from Australia and the USA, were evaluated for their genetic diversity in relation to four commercial cultivars (‘Pelion’, ‘Joy’, ‘Grandiflora’ and ‘Kimberly’, used as reference cultivars) using ISSR and SCoT markers. A cluster analysis separated the gardenia genotypes into the following three clusters: one cluster comprised the 16 genotypes originating from Australia, one included the 16 genotypes originating from the USA, and the third cluster contained the four reference cultivars. In other words, there was a clear demarcation of the genotypes investigated according to their geographical origin. In addition, the gardenia genotypes were evaluated for their morphological and chemical characteristics. Thus, flower- and leaf-related traits with ornamental value were measured, while the volatile compounds of flower extracts were identified with GC-MS analysis. Genotype 29-5 was selected for its acceptable morphological traits and genotype 51-8 for its rich volatile compounds. The major volatile compounds responsible for the floral aroma of the various gardenia genotypes examined were α-farnesene, benzyl tiglate, cis-3-hexenyltiglate, jasminelactone and linalool.

Keywords: ISSR; SCoT; GC-MS analysis; molecular markers; cluster analysis; phenotypic evaluation; solvent extraction; volatile compounds (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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