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Characterization of ornamental pumpkin (Cucurbita pepo L. var. ovifera (L.) Alef.) genotypes: molecular, morphological and nutritional properties

Abstract

In this study, 36 different ornamental pumpkin (Cucurbita pepo L. var. ovifera (L.) Alef.) genotypes were analyzed in terms of detailed morphological parameters, molecular properties, and some nutritional features. In this regard, high morphological diversity among the genotypes was observed in terms of plant, leaf and fruit characteristics. Molecular results showed that the genotype which is farthest from the other genotypes of 55% of the difference was determined and fourteen ISSR primers produced, on average, 121 bands in the accessions examined, of which 88 (73%) were polymorphic and Jaccard’s similarity coefficient ranged from 0.45 to 0.96. Nutritional analysis showed that C. pepo var. ovifera seeds are rich in potassium (K) and phosphorus (P) with the concentrations of 8490–21,798 mg/kg and 13,902–28,686 mg/kg, respectively. It was also determined that the pumpkin seed oils had alpha and gamma tocopherols and no β-tocopherols. All samples had β-carotene with the range of 19.63–150.88 mg/kg oil.

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Acknowledgement

This work has been supported by Erciyes University Scientific Research Projects Coordination Unit under Grant number of FHD-2016-7026. The statistical analyses in the present study were perfomed with contribution of the course named TUBITAK 2229-BIDEB “Analytical Nature-Clustering and Ordination Techniques (Analitik Doğa-Kümeleme ve Ordinasyon Teknikleri)”.

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All authors contributed equally to the conceptualization, methodology and writing of the manuscript.

Correspondence to Kevser Karaman.

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Dalda-Şekerci, A., Karaman, K. & Yetişir, H. Characterization of ornamental pumpkin (Cucurbita pepo L. var. ovifera (L.) Alef.) genotypes: molecular, morphological and nutritional properties. Genet Resour Crop Evol 67, 533–547 (2020). https://doi.org/10.1007/s10722-020-00883-x

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Keywords

  • Cucurbita pepo var. ovifera
  • Genotype
  • Diversity
  • Tocopherol