Paternity analysis of the olive variety "Istrska belica" and identification of pollen donors by microsatellite markers.
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TLDR
The leading olive variety in Slovenia is “Istrska belica” (Olea europaea L.), which currently represents 70% of all olive trees in productive orchards and was in all cases fertilized by foreign pollen.Abstract:
The leading olive variety in Slovenia is “Istrska belica” (Olea europaea L.), which currently represents 70% of all olive trees in productive orchards. Paternity analysis based on microsatellite markers was used for genotyping and identification of the potential pollen donors of “Istrska belica” and for assessing the proportion of self-fertilization in monovarietal olive orchards in the Slovene Istria. Seven microsatellite loci were used for genotyping thirty-one olive embryos from “Istrska belica” trees and for all potential pollen donor varieties, which are grown in the region and could participate as pollinators. Genotyping results and allele identification were performed using the FaMoz software. The most probable pollen donor was assigned to 39% of all analyzed embryos. Among all analyzed embryos no single case of self-fertilization was confirmed. According to the present results, the variety “Istrska belica” was in all cases fertilized by foreign pollen. The results will contribute to defining the new guidelines for farmers regarding the proper management and growing practice in monovarietal olive groves.read more
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Self-Incompatibility Assessment of Some Italian Olive Genotypes (Olea europaea L.) and Cross-Derived Seedling Selection by SSR Markers on Seed Endosperms.
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Mutagenesis and Biotechnology Techniques as Tools for Selecting New Stable Diploid and Tetraploid Olive Genotypes and Their Dwarfing Agronomical Characterization
TL;DR: It was demonstrated that the self-grafting of vigorous cultivar caused a reduction in plant size, thus suggesting that it is possible to produce semidwarf plants from vigorous genotypes to consider them in high-density olive orchards.
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‘Arbequina’ olive is self-incompatible
TL;DR: In this article, the authors show that the self-pollen rejection in the style, low levels of self-fertilization, and decreased initial and final fruit set after self-pollination in comparison to cross-pollinations treatments clearly indicate that ‘Arbequina’ is self-incompatible.
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Paternity tests support a diallelic self-incompatibility system in a wild olive ( Olea europaea subsp. laperrinei, Oleaceae)
Guillaume Besnard,Pierre-Olivier Cheptou,Malik Debbaoui,Pierre Lafont,Bernard Hugueny,Julia Dupin,Djamel Baali-Cherif +6 more
TL;DR: The results strongly support the DSI hypothesis, and all individuals were assigned to two incompatibility groups (G1 and G2), and no self‐fertilization was observed in the authors' conditions.
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