Dataset Information

Morphological and pomological diversity of wild Prunus microcarpa Boiss. germplasm.

ABSTRACT:

Background

Prunus microcarpa Boiss. is usually found in dry calcareous and rocky mountain slopes and is well adapted to severe winter and dry-hot summer conditions. Morphological and pomological diversity among 81 accessions of P. microcarpa species selected from natural habitats was assessed.

Results

The accessions investigated were significantly different from each other in terms of the traits recorded. Tree growth habit was highly variable, including weeping, spreading, open, semi-erect, and erect. Most of the accessions had very small leaves, a probable adaptation to the xerophytic conditions. Ripening date ranged from mid-June to early August. Fruit weight as the first character considering in domestication process ranged from 0.21 to 0.44 g. Principal component analysis (PCA) could describe the evaluated traits as the 11 main components that were able to justify 76.29% of total variance. Also, the accessions were clustered into two major clusters by the Ward dendrogram.

Conclusions

Significant diversity was revealed, regarding the morphological traits in the evaluated P. microcarpa germplasm that reflected the necessity for the conservation of this germplasm, and it is expected that the results gained in this study will assist current Cerasus breeding efforts and will maintain the genetic integrity of P. microcarpa.

SUBMITTER: Khadivi A

PROVIDER: S-EPMC8994378 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature

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Publications

Morphological and pomological diversity of wild Prunus microcarpa Boiss. germplasm.

Khadivi Ali A Mirheidari Farhad F Moradi Younes Y Paryan Simin S

BMC plant biology 20220409 1

<h4>Background</h4>Prunus microcarpa Boiss. is usually found in dry calcareous and rocky mountain slopes and is well adapted to severe winter and dry-hot summer conditions. Morphological and pomological diversity among 81 accessions of P. microcarpa species selected from natural habitats was assessed.<h4>Results</h4>The accessions investigated were significantly different from each other in terms of the traits recorded. Tree growth habit was highly variable, including weeping, spreading, open, s ...[more]

PMID: 35395717

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Project description:Calamansi or Philippine lime (Citrofortunella macrocarpa) is an important crop for local economic in Hainan Island. There is no study about Calamansi germplasm evaluation and cultivar development. In this study, Calamansi data were collected from 151 of Calamansi seedling trees, and 37 phenotypic traits were analyzed to investigate their genetic diversities. The cluster analysis and principal component analysis were conducted aiming to provide a theoretical basis for the Calamansi genetic improvement. The results of the diversity analysis revealed: (1) the diversity indexes for qualitative traits were ranged from 0.46-1.39, and the traits with the highest genetic diversity level were fruit shaped and pulp colored (H' > 1.20); and the diversity indexes for quantitative traits ranged from 0.67-2.10, with the exception of a lower in fruit juice rate (1.08) and lower in number of petals (0.67). (2) The clustering analysis of phenotypic traits have arranged the samples into 4 categories: the first group characterized by fewer flesh Segment number per fruit (SNF) and more Oil cell number (OCN); the second group had 7 samples, all characterized with larger Crown breadth (CB), higher Yield per tree (YPT), the lager leaf, the higher Ascorbic acid (AA), and less Seed number per fruit (SNPF); the third group had 25 samples characterized by smaller Tree foot diameter (TFD),smaller Fruit shape index (FSI) and higher Total soluble solids (TSS) contain; the fourth group had 87 samples, they were characterized by shorter Petiole length (PEL), larger fruit, higher Juice ratio (JR), multiple Stamen number (SN) and longer Pistil length (PIL). (3) The principal component analysis showed the values of the first 9 major components characteristic vectors were all greater than 3, the cumulative contribution rate reach 72.20%, including the traits of single fruit weight, fruit diameter, tree height, tree canopy width etc. Finally, based on the comprehensive main component value of all samples, the Calamansi individuals with higher testing scores were selected for further observation. This study concludes that Calamansi seedling populations in the Hainan Island holds great genetic diversity in varies traits, and can be useful for the Calamansi variety improvements.

Dataset Information

Morphological and pomological diversity of wild Prunus microcarpa Boiss. germplasm.

Background

Results

Conclusions

Publications

Morphological and pomological diversity of wild Prunus microcarpa Boiss. germplasm.

Similar Datasets

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