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Biotechnology of the multipurpose tree species Arbutus unedo:a review

Journal of Forestry Research 2022年第2期33卷 377-390页

作者： João Martins Glória Pinto jorge canhoto Centre for Functional Ecology Department of Life SciencesUniversity of CoimbraCoimbraPortugal Centre for Environmental and Marine Studies Department of BiologyUniversity of AveiroAveiroPortugal

Arbutus unedo L.(strawberry tree,Ericaceae)is a woody species with a circum-Mediterranean *** has considerable ecological relevance in southern European forests due to its resilience to abiotic and biotic *** edible red berries are used in the production of traditional products,including an expensive *** compounds extracted from the species have bioactive prop-erties used by the cosmetic and pharmaceutical *** strawberry tree has gone from a neglected species to become a highly valuable crop with large cultivated areas in southern European and North African *** to an increasing demand from farmers for plants with improved features,researchers have been trying to improve this spe-cies through conventional and biotechnological tools,focus-ing mainly on population analysis using molecular markers,in vitro cloning,tolerance to biotic and abiotic stresses,and intraspecific crosses to obtain genotypes with new *** objective of this review is to gather and update information about the species and make it available to researchers and *** research areas that are considered a priority for this species are highlighted.

关键词： Breeding Chemical profiling Ericaceae Microbiome Micropropagation

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Analysis of genetic relationship among Arbutus unedo L. genotypes using RAPD and SSR markers

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Journal of Forestry Research 2013年第2期24卷 227-236页

作者： Filomena Gomes Rita Costa Maria M. Ribeiro Elisa Figueiredo jorge M. canhoto CERNAS Departamento Florestal Escola Superior Agrária Coimbra INRB Instituto Nacional de Recursos Biológicos Departamento de Recursos Naturais e Desenvolvimento Sustentável Escola Superior Agrária Centre of Functional Ecology Department of Life Sciences University of Coimbra

The strawberry tree （Arbutus unedo L.） is an underutilized, drought tolerant, fire resistant species with a south western distribution in Europe, and with ecological and putative socio-economical impact in Portugal and Mediterranean countries. Our aim was to develop an appropriate set of molecular markers to enable genetic diversity to be assessed and to fingerprint Arbutus unedo genotypes for breeding and conservation purposes in Portugal. Twenty-seven trees from a broad geographic range were screened with 20 random amplified polymorphic DNA （RAPD primers） and 11 microsatellite markers （SSR）. The RAPDs generated 124 bands, 57.3% of which were polymorphic, with an expected heterozygosity of 27%. We cross-amplified 11 SSR primers developed for Vaccinium spp., and 5 were found to be polymorphic in A. unedo, with 75% of expected heterozygosity, a number of alleles of 11.6, a null allele frequency of 7.6% and a polymorphic information content of 71%. Although the SSRs were more polymorphic and informative than the RAPDs, both markers displayed high genetic variability with the gathered data. No geographic pattern was observed in the genetic variation distribution based on both marker systems, and the lack of correlation between genetic and geographical matrices was confirmed by Mantel tests. Likely, no correlation was found between pairwise SSR and RAPD band-sharing matrices. These results and their implications on A. unedo breeding and conservation programs are discussed.

关键词： Ericaceae fingerprinting geographic pattern molecular markers strawberry tree.

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维普期刊数据库

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Mycorrhizal synthesis between Pisolithus arhizus and adult clones of Arbutus unedo in vitro and in nursery

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Journal of Forestry Research 2013年第4期24卷 659-670页

作者： Filomena Gomes Helena Machado Esteban San Martin A.Portugal jorge M.canhoto Filomena Gomes.CERNAS Dep.Recursos FlorestaisEscola Superior Agrária Coimbra INIAV Instituto Nacional de Investigao Agráriae VeterináriaIP.Av.República Centre of Functional Ecology Department of Life SciencesUniversity of Coimbra

Arbutoid mycorrhizae were synthesized between adult se- lected clones of Arbutus unedo L. and Pisolithus arhizus. Two micro- propagated clones were tested： ALl, in vitro and C1 （acclimatized plants） in nursery and later in a field trial. In vitro, rooted shoots were trans- ferred to test tubes containing the substrate previously inoculated with mycelium cultured on agar. In the nursery, two inoculation treatments were tested （vegetative inocula or dry sporocarps） and compared to con- trol plants. In the field trial, plants from nursery inoculation treatments were compared and an additional control treatment using seedlings was implemented. Plant height was evaluated 4 months later in the nursery and 20 months later in the field trial.

关键词： arbutoid mycorrhizae Ericaceae field plants Arbutus unedoor strawberry tree

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