Silviculture of<i>Pinus Pinea</i>L. in North Africa and The Mediterranean Areas: Current Potentiality and Economic Value

Jaouadi, Wahbi; Alsubeie, Moodi Saham; Mechergui, Kaouther; Naghmouchi, Souheila

doi:10.1080/10549811.2020.1798787

Cited by 18 publications

(4 citation statements)

References 19 publications

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“…diseases on seeds. In this study, cone weight was on average 470 g, which is higher than in the species' native range [34,[36][37][38][39][40]. In the 2010-2020 period in Chile, seed to pine nut yield was on average 20.3% across sites and years; these results are in line with values reported for the species' native range [36,[41][42][43].…”

Section: Plos Onesupporting

confidence: 84%

Recommendations for increasing yield of the edible Pinus pinea L. pine nuts

Loewe-Muñoz,

Delard,

del Río

et al. 2024

PLoS ONE

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In Pinus pinea, cone to pine nut yield (total pine nut weight expressed as percentage of cone weight), an important crop trait, is decreasing worldwide. This phenomenon is of great concern, since the nuts of this species are highly demanded. Cone weight, seed and pine nut morphometry, and pine nut yield were monitored in a non-native area in Chile for 10 years. For this purpose, 560 cones, and the seeds and pine nuts contained in them, were counted, measured and weighed in a multi-environment study involving seven plantations. Seed and pine nut damage was evaluated. Two contrasting categories of cone weight (heavy/light) were defined. Cone to pine nut yield (PY) and other traits were calculated and compared between categories using a mixed linear model. Regression trees were used to explain PY variability. Cone weight was higher than in the species’ native range (474 g vs 300 g on average). Pine nut number per cone and PY were significantly higher in the heavy cone category than in the light cone category (125 vs 89 units, and 4.05 vs 3.62%, respectively), The percentage of damaged seeds was lower in heavy than in light cones (9.0% vs 15.9%). Thus, PY depended on seed and pine nut morphometry as well as on seed health. Management practices, such as fertilization and irrigation, could be used to boost production of heavy cones and consequently increase PY.

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Section: Plos Onesupporting

confidence: 84%

Recommendations for increasing yield of the edible Pinus pinea L. pine nuts

Loewe-Muñoz,

Delard,

del Río

et al. 2024

PLoS ONE

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“…Because its roots are usually well developed, the super-producing stone pine plays a crucial role both in fixing coastal dunes and in controlling erosion in mountainous regions. This pine species is perfect for recovery efforts for degraded soils because of all these qualities [19].…”

Section: Introductionmentioning

confidence: 99%

Deciphering the Structural and Functional Diversity of Rhizobacteria from Stone Pine Inoculated with Plant Growth Promoting Rhizobacteria (PGPR) before and after Transplanted into Degraded Agricultural Soil

Garcia-Villaraco,

Ramos Solano,

Gutierrez-Mañero

et al. 2024

Soil Systems

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The use of plant growth-promoting rhizobacteria (PGPR) inoculated on plants has shown that it can increase the success of reforestation and accelerate soil recovery by improving soil microbial diversity. Three PGPR isolated from natural pine populations were selected for their metabolic capabilities and taxonomic affiliation (Z4.3; Bacillus sp., Z5.4; Arthobacter sp., and Z7.15; and Pseudomonas sp.) when inoculated alone or in combination (consortium) on stone pine seedlings before transplanting to the field. Before transplanting and after nine months, rhizospheric soil samples were collected for structural and functional metagenomic studies. First, the data were analyzed using EasyMAP. Neither alpha nor beta diversity showed significant differences between the samples, although unique taxa representative of each sample were detected. The predominant phylum in all cases was Proteobacteria, followed by Bacteroidetes and Acidobacteria. The linear discriminant analysis (LDA) effect size (LEfSe) found significantly over-represented taxa in some samples, highlighting different representatives of the order Sphingomonadales in several of them. Functional inference performed with PICRUSt also showed significantly over-represented functions in some samples. The study demonstrates that PGPR have a positive effect on plants and cause detectable changes in microbial communities in terms of both structure and function.

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“…This is the second-most commercialized stone pine product, surpassed only by pine nuts. For example, in Northern Italy, timber production shows an average increase of 3 to 4 m 3 /ha per year and, under favorable ecological conditions, can reach 7 to 8 m 3 /ha per year [12]. The wood of the stone pine has been used in construction, furniture making, and boat building.…”

Section: Introduction P Pinea L (Stone Pine) As a Species And Its Eco...mentioning

confidence: 99%

Stone Pine (Pinus pinea L.) High-Added-Value Genetics: An Overview

Simões,

Borges,

Grazina

et al. 2024

Genes

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Stone pine (Pinus pinea L.) has received limited attention in terms of genetic research. However, genomic techniques hold promise for decoding the stone pine genome and contributing to developing a more resilient bioeconomy. Retrotransposon and specific genetic markers are effective tools for determining population-specific genomic diversity. Studies on the transcriptome and proteome have identified differentially expressed genes PAS1, CLV1, ATAF1, and ACBF involved in shoot bud formation. The stone pine proteome shows variation among populations and shows the industrial potential of the enzyme pinosylvin. Microsatellite studies have revealed low levels of polymorphism and a unique genetic diversity in stone pine, which may contribute to its environmental adaptation. Transcriptomic and proteomic analyses uncover the genetic and molecular responses of stone pine to fungal infections and nematode infestations, elucidating the defense activation, gene regulation, and the potential role of terpenes in pathogen resistance. Transcriptomics associated with carbohydrate metabolism, dehydrins, and transcription factors show promise as targets for improving stone pine’s drought stress response and water retention capabilities. Stone pine presents itself as an important model tree for studying climate change adaptation due to its characteristics. While knowledge gaps exist, stone pine’s genetic resources hold significant potential, and ongoing advancements in techniques offer prospects for future exploration.

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Silviculture ofPinus PineaL. in North Africa and The Mediterranean Areas: Current Potentiality and Economic Value

Cited by 18 publications

References 19 publications

Recommendations for increasing yield of the edible Pinus pinea L. pine nuts

Recommendations for increasing yield of the edible Pinus pinea L. pine nuts

Deciphering the Structural and Functional Diversity of Rhizobacteria from Stone Pine Inoculated with Plant Growth Promoting Rhizobacteria (PGPR) before and after Transplanted into Degraded Agricultural Soil

Stone Pine (Pinus pinea L.) High-Added-Value Genetics: An Overview

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