scholarly journals Foliar application of bio-fertilizers influenced the endogenous concentrations of phytohormones and amino acids in leaves and roots of olive trees (Olea europaea L. cv. Chemlali)

2018 ◽  
Vol 13 (34) ◽  
pp. 1777-1786
Author(s):  
Dabbaghi Olfa ◽  
Tekaya Meriem ◽  
Öden Sevgi ◽  
Willems Tim ◽  
Attia Faouzi ◽  
...  
Keyword(s):  
Amino Acids ◽  
Olea Europaea ◽  
Foliar Application ◽  
Olea Europaea L ◽  
Leaves And Roots ◽  
Olive Trees ◽  
Olea Europaéa

Amino and fatty acids composition of olive stones for the discrimination of 'Olea europaea' subsp. 'europaea' varieties

2020 ◽  
Vol 41 (2) ◽  
pp. 163-172
Author(s):  
Hédia Hannachi ◽  
Mohamed Ali Benabderrahim ◽  
Walid Elfalleh ◽  
Rongchun Wang ◽  
Ma Ying
Keyword(s):  
Amino Acids ◽  
Fatty Acids ◽  
Olea Europaea ◽  
Monounsaturated Fatty Acids ◽  
Essential Amino Acids ◽  
Fatty Acids Composition ◽  
Olea Europaea L ◽  
Wild Olive ◽  
Olive Trees ◽  
Olea Europaéa

Few studies have reported the relationship between wild (Olea europaea L. subsp. europaea var. sylvestris) and cultivated (Olea europaea L. subsp. europaea var. europaea) olive trees by using diverse markers. Herein, the amino and fatty acids composition of stones from wild and cultivated olives were assessed respectively using amino acids analyzer and gas chromatography coupled with mass spectrometry. Stones of 24 Tunisian olive samples including twelve cultivated trees and twelve wild trees were obtained from olives harvested at ripe stage. Results showed that 17 amino acids (with eight essential amino acids) and 15 fatty acids (eight saturated and seven unsaturated) were detected in the both olive taxa. Statistically, significant differences among wild and cultivated stones were observed for amino and fatty acids contents. Based on the major fatty acids and the essential amino acids, multivariate analyses classified olive varieties into three groups showing a close relationship between some wild and cultivated olive trees. Results were useful to distinguish some interest wild olive genotypes having stones richer in essential amino acids and monounsaturated fatty acids. Wild olive trees would constitute a genetic pool of interest criteria. These data would be used as complementary tool to morphological traits and molecular markers studies providing a relationship between the cultivated and wild olive trees.

Early water stress detection on olive trees (Olea europaea L. cvs ‘chemlali’ and ‘Chetoui’) using the leaf patch clamp pressure probe

2016 ◽  
Vol 131 ◽  
pp. 20-28 ◽  
Author(s):  
Feten Aissaoui ◽  
Hechmi Chehab ◽  
Besma Bader ◽  
Angham Ben Salem ◽  
Naouraz M’barki ◽  
...  
Keyword(s):  
Water Stress ◽  
Patch Clamp ◽  
Olea Europaea ◽  
Pressure Probe ◽  
Stress Detection ◽  
Olea Europaea L ◽  
Olive Trees ◽  
Olea Europaéa

Effect of prolonged vegetative reproduction of olive tree cultivars (Olea europaea L.) in mitochondrial homoplasmy and heteroplasmy

Genome ◽  
2003 ◽  
Vol 46 (3) ◽  
pp. 377-381 ◽  
Author(s):  
Angel García-Díaz ◽  
Ricardo Oya ◽  
Antonio Sánchez ◽  
Francisco Luque
Keyword(s):  
Mitochondrial Genome ◽  
Sexual Reproduction ◽  
Olea Europaea ◽  
Vegetative Reproduction ◽  
Intergenic Spacer Region ◽  
Olea Europaea L ◽  
Chloroplast Genomes ◽  
Mitochondrial Region ◽  
Olive Trees ◽  
Olea Europaéa

The inheritance of mitochondrial and chloroplast genomes does not follow Mendelian laws, but proceeds by vegetative segregation. Most organisms show organelle homoplasmy, which is probably produced and maintained during sexual reproduction. We have tested the effect of prolonged vegetative multiplication in the maintenance of mitochondrial homoplasmy and the generation of heteroplasmy in cultivated olive trees, Olea europaea L. Seven trees, each representing a different variety of olive, were analysed by the study of an intergenic spacer region of the mitochondrial genome. A very high level of heteroplasmy was detected in all cases. We found multiple genome variants of the sequence analysed. The frequency of genomes with no changes in the spacer region was 11.5%. This means that 88.5% of genomes contain at least one change. The same spacer mitochondrial region was sequenced in several clones from four olive trees of a second generation of sexually reproduced trees. In these trees, many clones were identical and had no changes, which represents a clear reduction of the heteroplasmy (p < 0.001). Therefore, this work supports the relevance of the role of sexual reproduction in the maintenance of mitochondrial homoplasmy and also shows that mutations accumulate in a non-coding sequence of the mitochondrial genome when vegetative propagation is maintained for a long period of time.Key words: mitochondrial genome, homoplasmy, heteroplasmy, olive trees, vegetative reproduction, sexual reproduction.

Effects of the planting density on water relations and production of ‘Chemlali’ olive trees (Olea europaea L.)

Trees ◽  
2010 ◽  
Vol 24 (6) ◽  
pp. 1137-1142 ◽  
Author(s):  
Mokhtar Guerfel ◽  
Youssef Ouni ◽  
Dalenda Boujnah ◽  
Mokhtar Zarrouk
Keyword(s):  
Water Relations ◽  
Olea Europaea ◽  
Planting Density ◽  
Olea Europaea L ◽  
Olive Trees ◽  
Olea Europaéa

DIFFERENT IRRIGATION REGIMES INDUCE CHANGES IN VESSEL SIZE IN OLIVE TREES (OLEA EUROPAEA L.) FROM SOUTHERN ITALY

2014 ◽  
pp. 455-461 ◽  
Author(s):  
L. Rossi ◽  
L. Sebastiani ◽  
R. d'Andria ◽  
G. Morelli ◽  
R. Tognetti ◽  
...  
Keyword(s):  
Olea Europaea ◽  
Southern Italy ◽  
Vessel Size ◽  
Olea Europaea L ◽  
Irrigation Regimes ◽  
Olive Trees ◽  
Olea Europaéa
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