2026-05-26T03:51:42.296Z http://ezaposleni.singidunum.ac.rs/rest/sciNaucniRezultati/oai

ezaposleni.singidunum.ac.rs/rest/sciNaucniRezultati/oai:1:8906 2022-06-07T13:31:46Z 1

Geometric morphometrics application in horticulture: a case study of Rhododendron leaves 2022 http://ezaposleni.singidunum.ac.rs/rest/sciNaucniRezultati/oai/record/1/8906 https://agrores.net/zbornici/?_rstr_nocache=rstr277629f52c441312 M. Jovanović J. Milovanović Geometric morphometrics is often used method to distinguish species, varieties and populations of plants on the basis of shape information. However, it is mostly used in fundamental biological research, especially in taxonomic studies, while in other areas it has not been fully exploited. Here, we investigated the potential use of geometric morphometrics methods in horticulture using Rhododendron cultivars as an example. This study aimed to investigate whether the leaf shape differs among different cultivars of Rhododendron. We sampled 100 leaves from five Rhododendron cultivars ('Geisha Purple', 'Geisha Orange', 'Geisha Red', 'Kermesina Roze', 'Konigstein') cultivated under the same conditions (commercial greenhouse Topalović, Lipolist, Serbia), and on each leaf recorded 8 landmarks. Generalized Procrustes analysis (GPA), Procrustes ANOVA and principal component analysis (PCA) were performed in order to reveal the differences in leaf shape. Additionally, elliptical Fourier analysis (EFA) was performed to generate the mean leaf outline for each cultivar. Although a certain extent of overlap was observed, the results showed a tendency of separation between the analyzed groups, with different patterns of leaf shape variation, suggesting geometric morphometrics can be a useful tool for discrimination of Rhododendron cultivars. More research is needed on greater sample size and greater number of cultivars to fully recognize to which extent leaf shape represents the discriminant trait in Rhododendron and whether it can be used in cultivar identification. conferenceObject 156 156 Book of Abstracts